Advanced Tokamak  (Amanda Hubbard)

First Author

Title

Number

Status

Needs LH

 

Ideas from 2005 Ideas Forum

 

 

 

Hosea

Early LHCD to allow transport barrier formation

2005-108

 

Yes

Marmar

Investigate the use of off-axis lower hybrid heating to trigger and

sustain Internal Transport Barriers

2005-109

Open

Yes

Jardin

Formation and sustainment of current-hole and other very low li discharges

2005-110

Open

Yes

Hosea

Use of LHCD to form current hole

2005-111

Open (merge?)

Yes

Wukitch

High li discharges with near axis MCCD

2005-112

Open

No

Wukitch

High bootstrap fraction  discharges with off-axis MCCD

2005-113

Open

No

Kessel

High Bootstrap Fraction Plasmas with ITBs

2005-114

Open

No

Politzer

High Bootstrap Fraction Noninductive Operation

2005-115

Open

Desirable

Kessel

Collaboration on Modeling of LH Discharges

2005-117

No run needs

No

Snipes

Driving Current Rise ITBs using Alfven Cascades

2005-007

Open

No??

Furno

Study of Power deposition on divertor tiles under different conditions of IRCF power tiles

2005-089

Open (Merge?)

No

LaBombard

Upper Divertor Pressures with Simulated Cryopump Baffle

2005-093

Open

No

Meade/Kessel

Performance (beta_N, H and f_bs) of RS AT plasmas

2005-099

Open

Yes

 

 

 

 

 

 

Ideas and Mini-Proposals from Previous Years

 

 

 

Terry/Wolfe

Extend Pulse Length at Moderate Density with Increased RF power

Ideas2001

Open

No

Rice

Large Volume ITBs at 2.8 T with 50 MHz ICRF

MP 370

Open

No

Politzer

100% Bootstrap Fraction Plasmas

MP 344b

?

No

Hubbard

Influence of j (r) on ITBs  

Ideas2003

Open

Yes

Fiore

Power Absorption in ITBs  (increase power, perf)

MP 341

Open (revise?)

No

Parker

High Bootstrap Fraction Regimes

MP 307

Closed

No

Ernst

Feedback control of ITBs

Ideas2003

Open

No

Greenwald

Develop low ne H-modes (using Ip ramps)

?

Open

No

Porkolab

ITB Formation with TwoF ICRF in Optimized Shear Plasmas with Ip Ramp

MP 324

Open

Desirable


 

Ideas sorted by topic, and tools needed (including only OPEN proposals, which request run time):
A
:  Ideas NOT relying on demonstrated LHCD (13):

 

 

 

 

LHCD?

Other

Days

Priority

 

Scenario development:

 

 

 

 

 

 

Wukitch

High li discharges with near axis MCCD

2005-112

Open

No

MCCD 50

1

H*

Wukitch

High bootstrap fraction  discharges with off-axis MCCD

2005-113

Open

No

MCCD 50

1

H*

Kessel

High Bootstrap Fraction Plasmas with ITBs

2005-114

Merge w Politzer

No

70+80?

 

 

Politzer

High Bootstrap Fraction Noninductive Operation

2005-115

Open

Desirable

70+80

1 (0.5+0.5)  Latish

H

 

Internal Transport Barriers:

 

 

 

 

 

 

Rice

Large Volume ITBs at 2.8 T with 50 MHz ICRF

MP 370

Open

No

50 MHz

1

H

Fiore

Power Absorption in ITBs  (increase power, perf)

MP 341

Open (revise MP)

No

70+80

1

H (coord w Transp)

Ernst

Feedback control of ITBs

Ideas2003

Open

No

PCS (late)

1

Needs detail
M

Snipes

Driving Current Rise ITBs using Alfven Cascades

2005-007

Merge w
Porkolab

No??

?

 

 

Porkolab

ITB Formation with TwoF ICRF in Optimized Shear Plasmas with Ip Ramp

MP 324

Open
Revise MP

Desirable

Or 50+80
MCCD

1

H*  (late)

 

Density Control, LH target devel

 

 

 

 

 

 

LaBombard

Upper Divertor Pressures with Simulated Cryopump Baffle

2005-093

Open

No

 

0.5+piggy
back

H

Greenwald

Develop low ne H-modes (using Ip ramps)

?

Open

No

80

0.5

M

 

Long Pulse, divertor power handling

 

 

 

 

 

 

Terry/Wolfe

Extend Pulse Length at Moderate Density with Increased RF power

Ideas2001

Open

No

High P 80

1-2?  Late

H
(coord w BP)

Furno

Study of Power deposition on divertor tiles under different conditions of IRCF power tiles

2005-089

Merge w above

No

 

 

 

 


B:  Ideas  RELYING on demonstrated LHCD  (6):

Hosea

Early LHCD to allow transport barrier formation 

2005-108

Open

Yes

Marmar

Investigate the use of off-axis lower hybrid heating to trigger and

sustain Internal Transport Barriers

2005-109

Open

Yes

Jardin

Formation and sustainment of current-hole and other very low li discharges

2005-110

Open

Yes

Hosea

Use of LHCD to form current hole

2005-111

Merge w Jardin

Yes

Meade + Kessel

Performance (beta_N, H and f_bs) of RS AT plasmas                              

2005-099

Open

Yes

Hubbard

Influence of j (r) on ITBs  

Ideas2003

Open

Yes