HIGH-BETA OPERATION OF COMMERCIAL TOKAMAK REACTORS USING HOT ELECTRONS

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$498,000.00
Award Year:
1986
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
2519
Agency Tracking Number:
2519
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
2210 P Encinitas Boulevard, Encinitas, CA, 92024
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr. Robert L. Miller
Principal Investigator
(619) 436-6125
Business Contact:
() -
Research Institute:
n/a
Abstract
THIS PROJECT WILL ASSESS THE REQUIREMENTS AND PROVIDE A BASIS FOR DESIGNING AN OPTIMIZED SYSTEM FOR A TOKAMAK REACTOR TO REACH THE HIGH-BETA, "SECOND STABILITY REGIME" FROM STARTUP, USING ELECTRON CYCLO- TRON HEATING (ECH) TECHNIQUES. THE POWER NEEDED TO ACHIEVE A STABLE PLASMA EVOLUTION TO THE "SECOND STAILITY REGIME" USING HOT PARTICLES IS SIGNIFICANTLY REDUCED OVER PREVIOUS ESTIMATES BY THE THREE INGRE- DIENTS OF THE PRESENT APPROACH: (1) THE VOLUME OCCUPIED BY THE HOT ELECTRONS IS REDUCED; (2) MILD PLASMA CROSS-SECTION SHAPING IS USED TO REDUCE THE HOT ELECTRON REQUIREMENTS; AND (3) OPTIMIZED ECH TECHNIQUES DRAMATICALLY REDUCE THE POWER NEEDED TO ACHIEVE A GIVEN HOT ELECTRON ENERGY DENSITY. STABLE, OPTIMIZED SCENARIOS WILL BE DETERMINED FOR THE EVOLUTION OF PRESSURE PROFILES AND PLASMA SHAPE FROM STARTUP TO A STEADY-STATE, HIGH-BETA REGIME. ECH MAY BE USED TO FACILITATE THE FORMATION OF BEAN- SHAPED PLASMAS AS WELL AS TO CREATE THE HOT ELECTRON POPULATION. FR BOTH APPLICATIONS, THE ECH WILL BE REQUIRED ONLY FOR THE TIME NECESARY TO ACHIEVE A STABLE, HIGH-BETA CONFIGURATION.

* information listed above is at the time of submission.

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