DIII-D RESEARCH OPPORTUNITIES FORUM FOR THE 2008 EXPERIMENTAL CAMPAIGN
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| Title | 21: Does Confinement Improvement Saturate with Increasing Rotation? | ||
| Name: | Mickey R. Wade ( |
Affiliation: | General Atomics |
| Research Area: | Rotation Physics | Presentation time: | Not requested | Co-Author(s): | -- |
| Description: | Conduct Mach number scan in low density hybrid dischrages to determine whether the confinement improvement generally observed as rotational shear increases saturates at very high levels of rotational shear. | ||
| Experimental Approach/Plan: | -- | ||
| Background: | ExB shear has been consistently shown to be reduce turbulence-driven transport. Recent experiments using the co/counter NBI
capability on DIII-D have shown that confinement increases nearly linearly with increasing rotational shear. Theory suggests that at some point ExB shear should fully stabilize long-wavelength turbulent modes. In such a case, confinement should saturate rather than improve linearly with increasing rotational shear. | ||
| Resource Requirements: | -- | ||
| Diagnostic Requirements: | -- | ||
| Analysis Requirements: | -- | ||
| Other Requirements: | -- | ||
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