| Miniproposals | ||||||||||
|
| Operators | |
| Session leader(s): | Brian Labombard |
| Physics operator(s): | |
| Engineering operator(s): | Bill Cochran,Andy Pfeiffer,Gary Dekow |
| Engineering Operator Run Comment |
| MP#591 - Boundary layer heat transport experiments in H-mode plasmas |
| Session Leader Plans |
| Entered: Aug 23 2010 03:36:23:350PM |
| Author: Brian Labombard |
| MP#591 - Boundary layer heat transport experiments in H-mode plasmas
Today we will examine the influence of field line length on heat flux footprint widths. We will perform SSEP sweeps at 0.5 MA and 1.0 MA at constant ICRF power in both L and H-modes. We will vary plasma densities to explore the effect of sheath-limited and high-recycling divertor regimes. Setup: Standard overnight ECDC, no boronization required. All shots today will be 5.4 tesla. NINJA will be used. Fill to 10 PSI deuterium. ICRF up to 4.5 MW Cryopump will be used today. Shot Plan: Reload shot#1100819012. This was a 0.8 MA, 5.4 tesla shot with optimized outer boundary shape and a strike-point sweep up the outer divertor plate. Reprogram plasma current to 1.0 MA. Set L-mode target density to NL04 ~ 1.0e20. Set 1.5 MW ICRF from 0.6 to 1.5 seconds. Modify the strike point sweep programming (RXL, ZXL): (1) Make the strike point programming from 0.8 to 1.2 seconds happen 0.2 s earlier, i.e. execute that same portion of the RXL,ZXL waveforms from 0.6 to 1.0 seconds instead. (2) For 1.0 seconds on, keep RXL and ZXL fixed at its new value A. 1.0 MA, L-mode discharges 1. LSN, NL04 ~ 1.0, PICRF ~ 1.5 MW (HR divertor) Establish steady L-mode conditions, with constant ICRF power ~ 1.5 MW, adjust strike point programming as needed. Optimize IR camera. ~2 shots 2. LSN to DN sweep, NL04 ~ 1.0, PICRF ~ 1.5 MW (HR divertor) Load RXU, ZXU from shot#1100224023. This produced a change from LSN to slightly USN over the time scale from 1 to 1.1 seconds. Program a similar switch back to LSN, starting at 1.2 seconds. Adjust upper and lower x-point programming as needed. Optimize IR camera. ~3 shots 3. LSN to DN sweep, NL04 ~ 0.8, PICRF ~ 1.0 MW (SL divertor) Optimize density, RF power to maintain steady L-mode in SL regime ~3 shots B. 0.5 MA, L-mode discharges 1. LSN to DN sweep, NL04 ~ 0.6, PICRF ~ 1.5 MW (HR divertor) Optimize density, RF power to maintain steady L-mode in HR regime ~3 shots 2. LSN to DN sweep, NL04 ~ 0.4, PICRF ~ 1.0 MW (SL divertor) Optimize density, RF power to maintain steady L-mode in SL regime ~3 shots C. 0.5 MA, EDA H-mode discharges 1. LSN to DN sweep, NL04 ~ 0.6 at RF turn-on, PICRF ~ 3.0 MW (SL divertor) Optimize density, RF power to maintain steady EDA H-mode in SL regime ~3 shots 2. LSN to DN sweep, NL04 ~ 0.7 at RF turn-on, PICRF ~ 1.0 MW (HR divertor) Optimize density, RF power to maintain steady EDA H-mode in HR regime ~3 shots D. 1.0 MA, EDA H-mode discharges 1. LSN to DN sweep, NL04 ~ 1.0 at RF turn-on, PICRF ~ 3.0 MW (HR divertor) Optimize density, RF power to maintain steady EDA H-mode in HR regime ~3 shots 2. LSN to DN sweep, NL04 ~ 0.8 at RF turn-on, PICRF ~ 2.0 MW (SL divertor) Optimize density, RF power to maintain steady EDA H-mode in SL regime ~3 shots |
| Physics Operators Plans |
| Entered: Aug 23 2010 06:50:10:303PM |
| Author: Jim Irby |
| -----------------
Engineering Setup ----------------- POA/PO: Wallace/Irby Run begins at 09:00 and ends at 17:00 Power systems as on: 1100819012 Acoil: +Dtop -Dbot -Jtop +Jbot (standard) Hybrid Enabled Gas setup: Fill B-Top with 6 psi D2 Hybrid enabled (PG4) fill B-side lower with 1 psi Ar Hybrid DISABLED (PG1) leave B-side upper as is Hybrid DISABLED (PG2) fill B-main (C-side) with 40 psi D2 Hybrid enabled (PG3) fill NINJA with 10 psi D2 ENABLED Enable gate-valves and shutters: ECE, VUV, HiREX Sr, Xeus Leave z-bolo shutter as is (should be open) Torvac gatevalve toggle (yes/no): no Boronization(yes/no): no Overnight ECDC (yes/no): yes ICRF(yes/no): yes LH(yes/no): no Cryopump (yes/no): yes DNB (yes/no): yes Vessel temperature: 35/35/35 ------------------------------ ECDC Parameters ------------------------------ gas and pressure: D2 at 2e-4 Torr sweep: 44/45/103 cm scan: 20/120 s |
| Session Leader Summaries |
| Entered: Aug 24 2010 10:57:11:490PM |
| Author: Brian Labombard |
| Run Summary for 1100824
MP#591 "Boundary layer heat transport experiments in H-mode plasmas" This was a very productive day. Greg Wallace took the reins, serving as a primary PO for his first time. He did an excellent job. The tokamak was very accommodating also, banging out 26 useful plasmas. Many thanks to the engineering staff for putting up with us and making these experiments possible. We started out with 1.0 MA shots, looking to obtain some L-mode plasmas with high Psol to generate some toasty heat flux footprints for the IR camera diagnostic. Shots#3, 4 and 5 had the outer divertor strike point programmed to sweep up the vertical face and stop on the nose tile, in preparation for performing an SSEP sweep to vary the magnetic field line lengths in the low-field side SOL. ICRF power was applied at 1.5 and then 1.2 MW levels, but this resulted in H-modes that were not stationary in time (ELM-free variety). Dialing the current down to 0.9 MA to try to avoid the H-modes, we also programmed in an SSEP sweep by adjusting the programmed vertical location of the upper x-point (ZXU). Contrary to our desires, shots#6 and 7 had H-modes, more of the EDA type, but exhibiting some dithering behavior. Radiated power seemed to rise to match the Prf, causing the dithers. So, rather than fight the H-modes, we decided to work with them, turning up the ICRF power and tweaking our SSEP sweep programming. Shot#8 was pretty good in this regard, having a steady EDA with Prf ~ 1.6 MW and a SSEP that almost made it to DN. However, pushing the power up further (Shot#9), it became clear that we were going to have to contend with Prad climbing up to match the rf power, with resultant H -> L back transitions screwing up our SSEP sweep. Shot#10 had no rf (a mistake), leading to a high-recycling divertor with an ok SSEP sweep. As the plasma swept up to DN, the cryopump reduced NL04 causing wiggles in the NL04 trace. This was a hint of more things to come. Trying to avoid this effect, we turned off the cryopump (shot#11) and generated the opposite response -- as the plasma swept up to DN the inventory of gas stored in the lower divertor was released, causing a density rise. The effect was reversible. When the LSN was reestablished during the SSEP sweep, the lower divertor neutral pressure and plasma density (NL04) went back to 'normal'. Trying to be clever, we turned the cryopump back on (shot #12) and then fiddled with the NL04 programming to anticipate the density pump out and to help arrest it (shots #13, 14). This scheme was not so successful. Meanwhile we were pushing only 0.5 MW of rf into the plasma to avoid H-modes. Pushing Prf higher to 0.8 MW brought the H-modes back (shot #15), right at the time when the plasma went to DN. (Sound like a familiar MP that was recently approved?) Then, lowering Prf to 0.6 MW also resulted in an H-mode at the same DN time (shot #16). Completely frustrated by all this, we turned of the rf completely and focused instead on dialing up some toasty 1.1 MA ohmic discharges for the SSEP sweep studies. Shots #17 to 21 focused on 1.1 MA discharges at NL04 ~ 1.0e20 (shot #18 and 20 -- early disruptions), resulting in an impressive IR footprint 'movie' of the SSEP sweep on shot#21. However, we would later realize that we needed a stronger SSEP sweep programming, going firmly into USN to be sure that we had in fact attained DN conditions some time during the sweep. Just before shot#19, we also recognized that the IR camera would obtain a better measure of the footprint by lowering the strike point on the nose tile a bit. We adjusted it down for shot#19 and again later for shot#22, which turned out to be optimum setting. Lower the density a bit (shot#22) brought back you know what -- H-modes -- this time of the ohmic variety, right at the DN sweep time. Anyway, with our optimized strike point position we revisited NL04 ~ 0.95 and 1.0, each with different divertor recycling conditions (shot#23 and 24), and also utilized a bigger jog in SSEP (shots #25 and 26). In order to avoid ohmic H-modes at the lower densities, we went to 6.2 tesla: shot#28 at NL04~0.9 and #29 at NL04 ~ 0.8. This was a good strategy because it yielded some very nice IR footprint movies across the SSEP sweep. Finally, we turned to EDA H-modes again with our optimized SSEP, this time at 0.5 MA. Shot#30 was promising, but had an H->L right during the SSEP sweep. Shot#31 was good, with 2 MW rf and a steady EDA for the duration of the sweep, dropping H->L just after. A good IR heat flux footprint was obtained. GPI was operated routinely, getting interesting data during the SSEP sweep, first with D2 puff then with helium puff (shot#17 on). Scanning probes were not operated, since we got data at these parameters already and the LCFS targeting was extremely variable. The JDIV probes operated on most shots, mapping out the heat flux footprints during the early portion of the discharge (0.6 to 0.9 s) when the strike point was swept up the divertor plate. Surface TC#7 was an absolute gem, also mapping out the heat flux footprint during the early times on essentially all shots. Our primary goal for today was accomplished, looking at the effect (turns out to be a non-effect) of field line length on divertor heat flux footprints. (Don't have to explain it, just have to report it.) While we have not explored the full parameter range that was called out in MP#591, we certainly have enough data to chew on. So, we will start the chewing and give MP#591 a rest for a little while. Shot Log 1,2 - gas system tests 3 -LSN, 5.4T, 1.0 MA, NL04~1.0, no probes scanning Prf ~ 1.5 (J) with trips, late H-mode strike point sweep to nose tile at 1.0 s, then held fixed left gap: 1.4 cm, right gap: 1.2, kappa: 1.6 IR camera saturated All JDIV probes operating - a minor miracle 4 -LSN, 5.4T, 1.0 MA, NL04~1.0, no probes scanning Prf ~ 1.2 (J+D) with trips. two H-modes, disrupts at 1.22 s strike point sweep to nose tile at 1.0 s, then held fixed 5 -LSN, 5.4T, 1.0 MA, NL04~1.1, no probes scanning Prf ~ 1.2 (J+D) cleaner. three H-modes strike point sweep to nose tile at 1.0 s, then held fixed Next: go to 0.9 MA to try to avoid H-mode 6 -LSN, 5.4T, 0.9 MA, NL04~1.1 at RF turn on, no probes scanning Prf ~ 1.3 (J+D) clean. One EDA with varying density (dithers?). HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed Attempted to bring upper x-point down (ZXU) to form DN - not enough movement yet. 7 -LSN, 5.4T, 0.9 MA, NL04~1.1, no probes scanning Prf ~ 1.3 (J+D) clean. One EDA with varying density (dithering). HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed Another attempt to bring upper x-point down (ZXU) to form DN - close but still not enough movement yet. Next: try to work with this H-mode, increase RF power a bit 8 -LSN, 5.4T, 0.9 MA, NL04~1.1, no probes scanning Prf ~ 1.5 (J+D) clean. One EDA with varying density. HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to -1.5 mm and back Next: increase ZXU jog more 9 -LSN, 5.4T, 0.9 MA, NL04~1.1, no probes scanning Prf ~ 2 MW (J+D) with trips. EDA varying density then drops out to another H-mode. HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to ~0 mm and back Next: increase ZXU jog still more, 0.5 MW RF (go for L-mode case) 10-LSN, 5.4T, 0.9 MA, NL04~0.9, no probes scanning no RF HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Cryopump pumps out plasma during DN phase. Next: lower density, no cryopump 11-LSN, 5.4T, 0.9 MA, NL04~0.9, no probes scanning, no cryopump Prf ~ 0.5 MW (D) L-mode HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back As the plasma goes to DN, lovwer divertor pressure drops. This released neutral inventory fuels the plasma leading to a density rise. It all returns to 'normal' when the plasma goes back to LSN. Next: lower density 12-LSN, 5.4T, 0.9 MA, NL04~0.85, no probes scanning, yes cryopump Prf ~ 0.5 MW (J) L-mode HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Again, as the plasma goes to DN, lovwer divertor pressure drops, fueling the plasma. Next: cryopump on again, with a density program that tries to compensate for density pumpout. 13-LSN, 5.4T, 0.9 MA, NL04~0.85, no probes scanning, yes cryopump Prf ~ 0.5 MW (J) L-mode moderate recycling divertor conditons. surface TC#7 maps out footprint. JDIV probes map footprint also. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Density is better controlled but our preprogramming is a bit too strong. Nice IR footprint movie. Looks like SSEP location does not influence footprint. Next: cryopump on, more moderate NL04 compensation program 14-LSN, 5.4T, 0.9 MA, NL04~0.85, no probes scanning, yes cryopump Prf ~ 0.5 MW (J) L-mode moderate recycling divertor conditons. surface TC#7 maps out footprint. JDIV.g04.p0 died prior to this shot. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Next: cryopump on. No NL04 compensation programming. 15-LSN, 5.4T, 0.9 MA, NL04~0.85, no probes scanning, yes cryopump Prf ~ 0.8 MW (J) goes into H-mode at 1.18 s - double null moderate recycling divertor conditons. surface TC#7 maps out footprint. JDIV.g04.p0 is dead strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Next: cryopump on. No NINJA. Back to 0.5 MW rf 16-LSN, 5.4T, 0.9 MA, NL04~0.85, no probes scanning, yes cryopump Prf ~ 0.6 MW (J) again goes into H-mode at 1.18 s - double null moderate recycling divertor conditons. surface TC#7 maps out footprint. JDIV.g04.p0 is dead - thermal breaker had tripped. reset for next shot. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Next: cryopump on. NINJA back on. go to 1.1 MA, NL04 ~ 1.0 - looking for an L-mode with a toasty footprint... 17-LSN, 5.4T, 1.1 MA, NL04~1.0 after early transient H-mode, no probes scanning, yes cryopump No Prf, L-mode during SSEP sweep with NL04 modulation moderate recycling divertor condition (20 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint. JDIV.g04.p0 shorted out again, partway through the shot. 18 - early disruption Tweak RXL program to hold strike point a bit lower on the outer nose tile. moved strike point lower on nose tile 19-LSN, 5.4T, 1.1 MA, NL04~1.0, rising and has the usual blip during SSEP sweep. No Prf moderate recycling divertor condition (15 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint. 20- early disruption 21-LSN, 5.4T, 1.1 MA, NL04~0.95, with usual blip during SSEP sweep. No Prf moderate recycling divertor condition (20 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint. IR footprint is excellent on this shot - trophy shot. moved strike point lower on nose tile 22-LSN, 5.4T, 1.1 MA, NL04~0.85, with blip during SSEP sweep. No Prf ohmic H-mode right at DN. approaching sheath-limited divertor condition (30 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint. 23-LSN, 5.4T, 1.1 MA, NL04~0.95, with slicht density ramp and blip during SSEP sweep. No Prf moderate recycling divertor condition (20 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint. 24-LSN, 5.4T, 1.1 MA, NL04~1.0, rising and has the usual blip during SSEP sweep. No Prf moderate recycling divertor condition (15 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint. 25-LSN, 5.4T, 1.1 MA, NL04~1.0, rising and has the usual blip during SSEP sweep. stronger SSEP sweep to make sure we are attaining DN No Prf moderate recycling divertor condition (15 eV at strike point, 35 mtorr on B-Bot) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to +3.5 mm and back surface TC#7 maps out footprint. IR footprint is ugly on this shot. 26-LSN, 5.4T, 1.1 MA, NL04~0.96, with slight density ramp and blip during SSEP sweep. No Prf moderate recycling divertor conndition (20 eV at strike point, 22 mtorr B-Bot) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 2.3 mm and back surface TC#7 maps out footprint. Next: go to NL04 ~ 0.8 and 6.2 tesla to avoid ohmic H-modes 27 - no power 28-LSN, 6.2T, 1.1 MA, NL04~0.9, very small blip during SSEP sweep. No Prf moderate recycling divertor conndition (25 to 30 eV at strike point, 16 mtorr B-Bot) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.7 mm and back surface TC#7 maps out footprint. excellent IR footprint - trophy shot 29-LSN, 6.2T, 1.1 MA, NL04~0.8, very small blip during SSEP sweep. No Prf sheath-limited divertor conndition (40 eV at strike point, 7 mtorr B-Bot) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 0 mm and back surface TC#7 maps out footprint.JDIV maps also. Footprint is insensitive to location of SSEP but something else causes the width of the footprint to change. It looks like the spread in temperatures increases across the different ROIs on the nose tile as the plasma sweeps back from DN to LSN. This causes the spline fit to get broaded and not track the peak temperatures. We will need to look into improving the software here. go to 0.5 MA EDA 30-LSN, 5.4T, 0.5 MA, NL04~0.6 Prf ~ 0.7 MW (D) with J trying and tripping. Two EDAs, H -> L during SSEP sweep. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 2.6 mm and back surface TC#7 and JDIV.g03.p0 map out footprint, but RF trips make it noisy. 31-LSN, 5.4T, 0.5 MA, NL04~0.6 at RF turn-on Prf ~ 2.0 MW (D) with a couple of trips - good shot EDA, dropping out after SSEP sweep. 40 eV at strike point. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 3.2 mm and back surface TC#7 and JDIV.g03.p0 map out footprints IR shows a good heat flux footprint - no effect of secondary separatrix location. |
| Physics Operator Summaries |
| Entered: Aug 24 2010 05:20:17:503PM |
| Author: Greg Wallace |
| Very few problems with C-Mod today.
Shot 27 had a CPCI error which lead to a no power shot. Shot 20 had a "soft" abort due to early runaways. Shot 18 disrupted at 0.12 s, likely due to dirt kicked up by shot 17. Shot 17 disrupted at 1.51 s, possibly due to railed OH1 and OH2 supplies. Shot 4 disrupted at 1.2 s, probably due to an injection. Shots 1 and 2 were no power shots to test the gas valves. Other than the shots listed above all shots were full length plasmas. No fizzles or duds. There were many unwelcome H-modes throughout the day. Plasma currents ranged from 0.5-1.1 MA and toridal fields were 5.4 and 6.1 T. Scorecard: 31 data cycles 24 plasmas 1 no power shot 2 gas valve tests 1 soft abort 3 disruptions 0 fizzles 0 duds |
| Session Leader Comments | |||
| Aug 24 2010 09:30:00:147AM | 1100824003 | Brian Labombard | 3 -LSN, 5.4T, 1.0 MA, NL04~1.0, no probes scanning Prf ~ 1.5 (J) with trips, late H-mode strike point sweep to nose tile at 1.0 s, then held fixed left gap: 1.4 cm, right gap: 1.2, kappa: 1.6 IR camera saturated All JDIV probes operating - a minor miracle |
| Aug 24 2010 09:30:14:817AM | 1100824004 | Brian Labombard | 4 -LSN, 5.4T, 1.0 MA, NL04~1.0?, no probes scanning Prf ~ 1.2 (J+D) with trips. two H-modes, disrupts at 1.22 s strike point sweep to nose tile at 1.0 s, then held fixed |
| Aug 24 2010 10:25:14:350AM | 1100824005 | Brian Labombard | 5 -LSN, 5.4T, 1.0 MA, NL04~1.1, no probes scanning Prf ~ 1.2 (J+D) cleaner. three H-modes strike point sweep to nose tile at 1.0 s, then held fixed JDIV.G02.p0 shorted out on this shot. Next: go to 0.9 MA to try to avoid H-mode |
| Aug 24 2010 10:25:28:030AM | 1100824006 | Brian Labombard | 6 -LSN, 5.4T, 0.9 MA, NL04~1.1 at RF turn on, no probes scanning Prf ~ 1.3 (J+D) clean. One EDA with varying density (dithers?). HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed Attempted to bring upper x-point down (ZXU) to form DN - not enough movement yet. |
| Aug 24 2010 10:25:55:990AM | 1100824007 | Brian Labombard | 7 -LSN, 5.4T, 0.9 MA, NL04~1.1, no probes scanning Prf ~ 1.3 (J+D) clean. One EDA with varying density (dithering). HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed Another attempt to bring upper x-point down (ZXU) to form DN - close but still not enough movement yet. Next: try to work with this H-mode, increase RF power a bit |
| Aug 24 2010 10:51:45:477AM | 1100824008 | Brian Labombard | 8 -LSN, 5.4T, 0.9 MA, NL04~1.1, no probes scanning Prf ~ 1.5 (J+D) clean. One EDA with varying density. HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to -1.5 mm and back Next: increase ZXU jog more |
| Aug 24 2010 10:52:04:537AM | 1100824009 | Brian Labombard | 9 -LSN, 5.4T, 0.9 MA, NL04~1.1, no probes scanning Prf ~ 2 MW (J+D) with trips. EDA varying density then drops out to another H-mode. HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to ~0 mm and back Next: increase ZXU jog still more, 0.5 MW RF (got for L-mode case) |
| Aug 24 2010 11:35:35:917AM | 1100824010 | Brian Labombard | 10-LSN, 5.4T, 0.9 MA, NL04~0.9, no probes scanning no RF HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Cryopump pumps out plasma during DN phase. Next: lower density, no cryopump |
| Aug 24 2010 12:12:18:913PM | 1100824011 | Brian Labombard | 11-LSN, 5.4T, 0.9 MA, NL04~0.9, no probes scanning, no cryopump Prf ~ 0.5 MW (D) L-mode HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back As the plasma goes to DN, lovwer divertor pressure drops. This released neutral inventory fuels the plasma leading to a density rise. It all returns to 'normal' when the plasma goes back to LSN. Next: lower density |
| Aug 24 2010 12:18:35:680PM | 1100824012 | Brian Labombard | 12-LSN, 5.4T, 0.9 MA, NL04~0.85, no probes scanning, yes cryopump Prf ~ 0.5 MW (J) L-mode HR divertor conditons. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Again, as the plasma goes to DN, lovwer divertor pressure drops, fueling the plasma. Next: cryopump on again, with a density program that tries to compensate for density pumpout |
| Aug 24 2010 12:18:45:163PM | 1100824013 | Brian Labombard | 13-LSN, 5.4T, 0.9 MA, NL04~0.85, no probes scanning, yes cryopump Prf ~ 0.5 MW (J) L-mode moderate recycling divertor conditons. surface TC#7 maps out footprint. JDIV probes map footprint also. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Density is better controlled but our preprogramming is a bit too strong. Next: cryopump on, more moderate NLO4 compensation program |
| Aug 24 2010 12:47:33:510PM | 1100824014 | Brian Labombard | 14-LSN, 5.4T, 0.9 MA, NL04~0.85, no probes scanning, yes cryopump Prf ~ 0.5 MW (J) L-mode moderate recycling divertor conditons. surface TC#7 maps out footprint. JDIV.g04.p0 died prior to this shot. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Next: cryopump on. No NL04 compensation programming. |
| Aug 24 2010 12:47:44:270PM | 1100824015 | Brian Labombard | 15-LSN, 5.4T, 0.9 MA, NL04~0.85, no probes scanning, yes cryopump Prf ~ 0.8 MW (J) goes into H-mode at 1.18 s - double null moderate recycling divertor conditons. surface TC#7 maps out footprint. JDIV.g04.p0 is dead strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Next: cryopump on. No NINJA. Back to 0.5 MW rf |
| Aug 24 2010 12:59:42:197PM | 1100824016 | Brian Labombard | 16-LSN, 5.4T, 0.9 MA, NL04~0.85, no probes scanning, yes cryopump Prf ~ 0.6 MW (J) again goes into H-mode at 1.18 s - double null moderate recycling divertor conditons. surface TC#7 maps out footprint. JDIV.g04.p0 is dead - thermal breaker had tripped. reset for next shot. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back Next: cryopump on. NINJA back on. go to 1.1 MA, NL04 ~ 1.0 - looking for an L-mode with a toasty footprint. |
| Aug 24 2010 01:40:04:123PM | 1100824017 | Brian Labombard | LSN, 5.4T, 1.1 MA, NL04~1.0 after early transient H-mode, no probes scanning, yes cryopump No Prf, L-mode during SSEP sweep with NL04 modulation moderate recycling divertor conditon (20 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint. JDIV.g04.p0 shorted out again, partway through the shot |
| Aug 24 2010 03:47:09:997PM | 1100824019 | Brian Labombard | 19-LSN, 5.4T, 1.1 MA, NL04~1.0, rising and has the usual blip during SSEP sweep. No Prf moderate recycling divertor conditon (15 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint |
| Aug 24 2010 03:47:20:163PM | 1100824021 | Brian Labombard | 21-LSN, 5.4T, 1.1 MA, NL04~0.95, with usual blip during SSEP sweep. No Prf moderate recycling divertor conditon (20 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint. IR footprint is excellent on this shot - trophy shot |
| Aug 24 2010 03:47:44:770PM | 1100824023 | Brian Labombard | 23-LSN, 5.4T, 1.1 MA, NL04~0.95, with slicht density ramp and blip during SSEP sweep. No Prf moderate recycling divertor conditon (20 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint. |
| Aug 24 2010 03:47:53:440PM | 1100824024 | Brian Labombard | 24-LSN, 5.4T, 1.1 MA, NL04~1.0, rising and has the usual blip during SSEP sweep. No Prf moderate recycling divertor conditon (15 eV at strike point) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.6 mm and back surface TC#7 maps out footprint. |
| Aug 24 2010 03:48:05:013PM | 1100824025 | Brian Labombard | 25-LSN, 5.4T, 1.1 MA, NL04~1.0, rising and has the usual blip during SSEP sweep. stronger SSEP sweep to make sure we are attaining DN No Prf moderate recycling divertor conditon (15 eV at strike point, 35 mtorr on B-Bot) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to +3.5 mm and back surface TC#7 maps out footprint. IR footprint is ugly on this shot. |
| Aug 24 2010 03:48:54:393PM | 1100824026 | Brian Labombard | 26-LSN, 5.4T, 1.1 MA, NL04~0.96, with slight density ramp and blip during SSEP sweep. No Prf moderate recycling divertor connditon (20 eV at strike point, 22 mtorr B-Bot) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 2.3 mm and back surface TC#7 maps out footprint. Next: go to NL04 ~ 0.8 and 6.2 tesla to avoid ohmic H-modes |
| Aug 24 2010 04:57:06:983PM | 1100824028 | Brian Labombard | 28-LSN, 6.2T, 1.1 MA, NL04~0.9, very small blip during SSEP sweep. No Prf moderate recycling divertor connditon (25 to 30 eV at strike point, 16 mtorr B-Bot) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 1.7 mm and back surface TC#7 maps out footprint. excellent IR footprint - trophy shot |
| Aug 24 2010 10:04:00:793PM | 1100824029 | Brian Labombard | 29-LSN, 6.2T, 1.1 MA, NL04~0.8, very small blip during SSEP sweep.
No Prf sheath-limited divertor connditon (40 eV at strike point, 7 mtorr B-Bot) strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 0 mm and back surface TC#7 maps out footprint.JDIV maps also. Footprint is insensitive to location of SSEP but something else causes the width of the footprint to change. It looks like the spread in temperatures increases across the different ROIs on the nose tile as the plasma sweeps back from DN to LSN. This causes the spline fit to get broadened and not track the peak temperatures. We will need to look into improving the software here |
| Aug 24 2010 05:32:27:180PM | 1100824030 | Brian Labombard | 30-LSN, 5.4T, 0.5 MA, NL04~0.6 Prf ~ 0.7 MW (D) with J trying and tripping. Two EDAs, H -> L during SSEP sweep. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 2.6 mm and back surface TC#7 and JDIV.g03.p0 map out footprint, but RF trips make it noisy |
| Aug 24 2010 05:32:41:013PM | 1100824031 | Brian Labombard | 31-LSN, 5.4T, 0.5 MA, NL04~0.6 at RF turn-on Prf ~ 2.0 MW (D) with a couple of trips - good shot EDA, dropping out after SSEP sweep. 40 eV at strike point. strike point sweep to nose tile at 1.0 s, then held fixed. SSEP sweep from -10 mm to 3.2 mm and back surface TC#7 and JDIV.g03.p0 map out footprints IR shows a good heat flux footprint - no effect of secondary separatrix location. |
| Physics Operator Comments | |||
| Aug 24 2010 08:30:00:377AM | 1100824001 | Greg Wallace | Reload shot 1100819012 seg 2 and shot 1100820033 seg 1.
Changes: Ip from 800kA to 1000kA nl_04 from 9e19 to 1e20 Moved RXL and ZXL timing forward from 0.8s to 0.6s Set RXL and ZXL constant from 1.0s to 1.5s Results: Gas pulse test. Prepuff OK but did not get main gas puff. Will try again with increased pulse length on PG3. |
| Aug 24 2010 08:39:12:997AM | 1100824002 | Greg Wallace | Reload shot 1100819012 seg 2 and shot 1100820033 seg 1.
Changes: Ip from 800kA to 1000kA nl_04 from 9e19 to 1e20 Moved RXL and ZXL timing forward from 0.8s to 0.6s Set RXL and ZXL constant from 1.0s to 1.5s Increased pulse width of PG3 to unstick gas valve. Results: Gas pulse test. PG3 responded properly. Will reload original PG3 programming for next (plasma) shot. |
| Aug 24 2010 09:14:25:400AM | 1100824003 | Greg Wallace | Reload shot 1100819012 seg 2 and shot 1100820033 seg 1.
Changes: Ip from 800kA to 1000kA nl_04 from 9e19 to 1e20 Moved RXL and ZXL timing forward from 0.8 s to 0.6 s Set RXL and ZXL constant from 1.0 s to 1.5 s Reloaded original seg 1 PG3 programming after gas test shot. NINJA puff at 1.2 s Results: Plasma to rampdown. H-mode at 1.19 s. 1.5 MW from J-port but trips early and late. Next shot: Will try again with less ICRF. |
| Aug 24 2010 09:30:56:113AM | 1100824004 | Greg Wallace | Changes:
Reduced ICRF power. Results: Plasma disrupts at 1.2 s. Two H-modes prior to disruption. 1.25 MW ICRF from J and D combined. Next shot: Increase nl_04 programming to 1.1e20. |
| Aug 24 2010 09:49:29:550AM | 1100824005 | Greg Wallace | Changes:
Increased nl_04 programming to 1.1e20 Results: Plasma to rampdown. 3 H-modes. 1.25 MW from J and D combined. Next shot: Decrease Ip to 0.9 MA. Decrease ZXU by 1.0 cm between 1.1 s and 1.2 s. Extend RXU flatop program to 1.5 s. |
| Aug 24 2010 10:05:51:147AM | 1100824006 | Greg Wallace | Changes:
Decreased Ip to 0.9 MA. Decreased ZXU by 1.0 cm between 1.1 s and 1.2 s. Extended RXU flatop program to 1.5 s. Results: Steady H-mode from 0.7 s with 1.3 MW of ICRF. Got ZXU programming we asked for but it wasn't enough to get to double null. Next shot: Increase jog in ZXU by 1 cm. |
| Aug 24 2010 10:24:29:653AM | 1100824007 | Greg Wallace | Changes:
Increase jog in ZXU by 1 cm. Results: Plasma to rampdown. Small bounce during startup---will watch for now but no changes in startup programming. Steady H-mode from 0.65 s on. 1.3 MW ICRF. Next shot: Increase ZXU jog by an additional 1cm. |
| Aug 24 2010 10:38:50:633AM | 1100824008 | Greg Wallace | Changes:
Increase ZXU jog by an additional 1cm. Results: Plasma into rampdown. Almost reaches double null at 1.2 s but not quite. Startup is bouncier than shot 7. Bz0 is lower than shot 7 and 6. Next shot: Increase jog in ZXU by 1cm again (to -2 cm). Change IC_EF4U program before 1.0 s from -1280 A to -1270 A to reduce bounce. Increase ICRF to 2 MW. |
| Aug 24 2010 10:59:53:200AM | 1100824009 | Greg Wallace | Changes:
Increase jog in ZXU by 1cm again (to -2 cm). Change IC_EF4U program before 1.0 s from -1280 A to -1270 A to reduce bounce. Increase ICRF to 2 MW. Results: Plasma to rampdown. Steady H-mode from .66 s to 1.2 s, then in and out. Still slightly bouncy startup. Bz0 is a little lower than on shot 6 and prior. Next shot: Increase jog in ZXU by 1cm again (to -3 cm). Decrease ICRF power to 0.5 MW. Decrease prepuff from 60 ms to 56 ms. (Bob's suggestion. Hang him if we get a big bounce/fizzle.) |
| Aug 24 2010 11:17:56:000AM | 1100824010 | Greg Wallace | Changes:
Increase jog in ZXU by 1cm again (to -3 cm). Decrease ICRF power to 0.5 MW. Decrease prepuff from 60 ms to 56 ms. (Bob's suggestion. Hang him if we get a big bounce/fizzle.) Results: Plasma to rampdown. Still bouncing a little. Cryo was pumping hard in upper null---need to eliminate cryo for next shot. Next shot: Decrease nl_04 programming to 0.9e20. No cryopump---decrease prefill to 20 ms. Increase RCUR offset from 2500 to 3500. |
| Aug 24 2010 11:27:32:310AM | 1100824011 | Greg Wallace | Changes:
Decrease nl_04 programming to 0.9e20. No cryopump---decrease prefill to 20 ms. Increase RCUR offset from 2500 to 3500. Results: Plasma to rampdown. 0.5 MW ICRF. Next shot: Decrease nl_04 programming to 8e19. |
| Aug 24 2010 11:51:00:643AM | 1100824012 | Greg Wallace | Changes:
Decrease nl_04 programming to 8e19. Results: Plasma to rampdown. Density bumps up during upper null part of shot (~1.2 s). 0.6 MW clean ICRF. Nice startup. Next shot: Cryo back on. Increase prefill to 56 ms. Increase demand nl_04 to 9e19 from 1.1 to 1.25 s to compensate for stronger cryopumping in upper null. |
| Aug 24 2010 12:04:35:777PM | 1100824013 | Greg Wallace | Changes:
Cryo back on. Increase prefill to 56 ms. Increase demand nl_04 to 9e19 from 1.1 to 1.25 s to compensate for stronger cryopumping in upper null. Results: Plasma to rampdown. Density bumped up too much during DN/USN part of pulse. 600 kW ICRF. Next shot: Decrease amplitude of density bump from 9e19 to 8.5e19. Move timing of bump forward to 1.15-1.3 s. |
| Aug 24 2010 12:18:53:257PM | 1100824014 | Greg Wallace | Changes:
Decrease amplitude of density bump from 9e19 to 8.5e19. Move timing of bump forward to 1.15-1.3 s. Results: Plasma to rampdown. Density bump still there during USN bit. NINJA puff at 1.0 s may be contributing. Next shot: Remove programmed bump in nl_04. |
| Aug 24 2010 12:36:23:800PM | 1100824015 | Greg Wallace | Changes:
Remove programmed bump in nl_04. Results: Plasma to rampdown. H-modes late in shot and some density perturbation from NINJA starting at 1.0 s. Next shot: NINJA disabled. |
| Aug 24 2010 01:00:19:097PM | 1100824016 | Greg Wallace | Changes:
NINJA disabled. Results: Plasma to rampdown. Still getting slight density bump around 1.05 s. Slight flattening of Ip around 30 ms into rampup. Next shot: Ip to 1.0 MA nl_04 to 1.0e20 No ICRF. Decrease PG3 demand at 10 ms from 40 to 25 to deal with current ramp. |
| Aug 24 2010 01:24:42:490PM | 1100824017 | Greg Wallace | Changes:
Ip to 1.0 MA nl_04 to 1.0e20 No ICRF. Decrease PG3 demand at 10 ms from 40 to 25 to deal with current ramp. Results: Plasma disrupted at 1.51 s. Startup looks good. Ohmic H-mode early in shot (~0.55 s). Perhaps an injection or maybe a locked mode? OH1 and OH2 power supplies rail just before disruption. Didn't quite make it to upper null. Next shot: Increase OH1 and OH2 supply limits from -26 kA and -27 kA to -30 kA. Increase ZXU jog by 0.5 cm to get upper null. |
| Aug 24 2010 01:36:58:203PM | 1100824018 | Greg Wallace | Changes:
Increase OH1 and OH2 supply limits from -26 kA and -27 kA to -30 kA. Increase ZXU jog by 0.5 cm to get upper null. Results: Plasma disrupts at 0.12 s. Very slow current rise and density rise. Next shot: Stop RXL and ZXL ramps at 0.95 s instead of 1.0 s. |
| Aug 24 2010 01:50:42:730PM | 1100824019 | Greg Wallace | Changes:
Stop RXL and ZXL ramps at 0.95 s instead of 1.0 s. Results: Plasma to rampdown! Got USN bit as requested by Brian. Startup looks good. Next shot: Decrease nl_04 demand to 9e19 in flattop. |
| Aug 24 2010 02:10:32:427PM | 1100824020 | Greg Wallace | Changes:
Decrease nl_04 demand to 9e19 in flattop. Results: Soft abort due to runaways at 0.215 s. No good indications for why runaways started at ~30 ms other than "dirty" plasma. Next shot: Change RXL, ZXL ramp to stop at 0.9 s. Increase PG3 demand at 10 ms to 35. |
| Aug 24 2010 02:21:57:910PM | 1100824021 | Greg Wallace | Changes:
Change RXL, ZXL ramp to stop at 0.9 s. Increase PG3 demand at 10 ms to 35. Results: Plasma to rampdown. Next shot: Decrease nl_04 demand to 8e19. |
| Aug 24 2010 02:36:44:443PM | 1100824022 | Greg Wallace | Changes:
Decrease nl_04 demand to 8e19. Results: Plasma to rampdown. Ohmic H-mode at 1.16 s. Next shot: Increase nl_04 programming to 9e19. |
| Aug 24 2010 02:49:45:557PM | 1100824023 | Greg Wallace | Changes:
Increase nl_04 programming to 9e19. Results: Plasma to rampdown. Next shot: Increase nl_04 demand to 1e20. |
| Aug 24 2010 03:07:24:790PM | 1100824024 | Greg Wallace | Changes:
Increase nl_04 demand to 1e20. Results: Plasma to rampdown. Next shot: Increase ZXU jog by an additional 5mm. |
| Aug 24 2010 03:31:40:550PM | 1100824025 | Greg Wallace | Changes:
Increase ZXU jog by an additional 5mm. Results: Plasma disrupted in rampdown at 1.64 s. EF2 power supply nearly railed at 0 due to upper x-point scan. OH1 power supply rails in rampdown. Startup also a little funny at 0.03 s. Tangential Z-meter higher than previous shot at 0.03 s. Next shot: Increase magnitude of EF2_BY_EF4 from 2000 to 2500. Increase power supply limit on OH1 from -30 to -35. Decrease demand nl_04 to 9e19. Made ZXU ramp down a little faster at end of shot. |
| Aug 24 2010 03:47:20:617PM | 1100824026 | Greg Wallace | Changes:
Increase magnitude of EF2_BY_EF4 from 2000 to 2500. Increase power supply limit on OH1 from -30 to -35. Decrease demand nl_04 to 9e19. Made ZXU ramp down a little faster at end of shot. Results: Plasma to rampdown. Startup looks good. Next shot: Decrease programmed nl_04 to 8e19. Increased TF to 6.2 T (172 kA) in seg 1 and 2. Increase TF limits to 180 kA. |
| Aug 24 2010 03:52:18:147PM | 1100824027 | Greg Wallace | Changes:
Decrease programmed nl_04 to 8e19. Increased TF to 6.2 T (172 kA) in seg 1 and 2. Increase TF limits to 180 kA. Results: No power shot. CPCI failure on bus low voltage rack. Next shot: |
| Aug 24 2010 04:21:06:690PM | 1100824028 | Greg Wallace | Changes:
Decrease programmed nl_04 to 8e19. Increased TF to 6.2 T (172 kA) in seg 1 and 2. Increase TF limits to 180 kA. Results: Plasma to rampdown at 6.1 T. Next shot: Decrease programmed nl_04 to 7e19 in flattop. |
| Aug 24 2010 04:42:57:360PM | 1100824029 | Greg Wallace | Changes:
Decrease programmed nl_04 to 7e19 in flattop. Results: Plasma into rampdown. Next shot: Decrease Ip to 500 kA Decrease Bt to 5.4 T (150 kA) Set TF limit to 165 kA Decrease nl_04 demand to 6e19 |
| Aug 24 2010 04:52:34:303PM | 1100824030 | Greg Wallace | Changes:
Decrease Ip to 500 kA Decrease Bt to 5.4 T (150 kA) Set TF limit to 165 kA Decrease nl_04 demand to 6e19 Results: Plasma to rampdown. Two H-modes. D antenna ran well, J did not. Next shot: No DPCS changes. |
| Aug 24 2010 05:05:40:093PM | 1100824031 | Greg Wallace | Changes:
No DPCS changes. Results: Plasma to rampdown. Last shot of the day. |
| Engineering Operator Comments | ||||
| Shot | Time | Type | Status | Comment |
| 1 | 08:23:34:553AM | Test | Bad | Gas System Test |
| 2 | 08:30:24:430AM | Test | Ok | Gas System Test |
| 3 | 09:03:33:740AM | Plasma | Ok | |
| 4 | 09:18:10:903AM | Plasma | Ok | |
| 5 | 09:33:50:677AM | Plasma | Ok | |
| 6 | 09:51:06:020AM | Plasma | Ok | |
| 7 | 10:06:38:980AM | Plasma | Ok | |
| 8 | 10:25:35:647AM | Plasma | Ok | |
| 9 | 10:41:53:140AM | Plasma | Ok | |
| 10 | 11:01:21:987AM | Plasma | Ok | |
| 11 | 11:19:26:467AM | Plasma | Ok | |
| 12 | 11:37:35:470AM | Plasma | Ok | |
| 13 | 11:54:38:213AM | Plasma | Ok | |
| 14 | 12:12:22:223PM | Plasma | Ok | |
| 15 | 12:29:40:800PM | Plasma | Ok | |
| 16 | 12:46:21:280PM | Plasma | Ok | |
| 17 | 01:07:20:840PM | Plasma | Ok | |
| 18 | 01:25:10:510PM | Plasma | Ok | |
| 19 | 01:38:45:047PM | Plasma | Ok | |
| 20 | 01:53:42:430PM | Plasma | Ok | |
| 21 | 02:11:16:113PM | Plasma | Ok | |
| 22 | 02:26:03:220PM | Plasma | Ok | |
| 23 | 02:39:51:003PM | Plasma | Ok | |
| 24 | 02:55:57:490PM | Plasma | Ok | |
| 25 | 03:12:50:807PM | Plasma | Ok | |
| 26 | 03:32:50:570PM | Plasma | Ok | |
| 27 | 03:48:50:600PM | Plasma | Bad | BUSLV CPCI Failed |
| 28 | 04:15:01:473PM | Plasma | Ok | |
| 29 | 04:29:39:180PM | Plasma | Ok | |
| 30 | 04:46:28:057PM | Plasma | Ok | |
| 31 | 05:02:12:733PM | Plasma | Ok | |
| System Availability | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Aug 24 2010 08:23:19:600AM | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Aug 24 2010 09:17:59:417AM | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||