Results of SPICA, pt. 5
Creators
- 1. Stichting voor Fundamenteel Onderzoek der Materie, Jutphaas (Netherlands). Instituut voor Plasma-Fysica
Description
In the screw-pinch experiment SPICA (R/r = 60/20), the capacitor bank for the bias field has been enlarged to improve the control of β. At a filling pressure of 10 mTorr Dsub(2) a β of 20% could be obtained as measured by Thomson scattering (qsub (w) = 2.5, Isub(zp) 160 kA, Bsub(z) = 1.2 T, Tsub(e) approximately Tsub(i) = 50 eV at 10 μs, nsub(e) = 7x1021/m3). The vertical field inside the Isub(z) feed flange has been minimized in the presence of plasma to 5x10-3 T by a suitable current distribution in the flange. Magnetic probe measurements have shown that the currents in the pressureless plasma outside the main column fall of sharply in the outer layers. Emission of X-rays occurs several μs after the start of the main discharge and is strongly dependent on initial conditions
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Additional details
Publishing Information
- Imprint Title
- Experiments on toroidal diffuse pinches
- Imprint Pagination
- 3 p.
- Report number
- INIS-mf--3309
Conference
- Title
- 3. Topical conference on pulsed high-beta plasmas.
- Dates
- Aug 1975.
- Place
- Culham, UK.
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 8284967
- Subject category
- S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
- Resource subtype / Literary indicator
- Conference, Thesis
- Is Lead record
- Yes
- Descriptors DEI
- BETA RATIO; CURRENT DENSITY; DEUTERIUM; ELECTRIC CURRENTS; HARD X RADIATION; MEDIUM VACUUM; PLASMA DIAGNOSTICS; PLASMA INSTABILITY; RUNAWAY ELECTRONS; SCREW PINCH
- Descriptors DEC
- CURRENTS; ELECTROMAGNETIC RADIATION; ELECTRONS; ELEMENTARY PARTICLES; FERMIONS; HYDROGEN ISOTOPES; INSTABILITY; IONIZING RADIATIONS; ISOTOPES; LEPTONS; LIGHT NUCLEI; NUCLEI; ODD-ODD NUCLEI; PINCH EFFECT; RADIATIONS; STABLE ISOTOPES; X RADIATION
Optional Information
- Notes
- 10 refs., 2 figs.; for pts. II, III, IV, see RN 183485, RN 193485, RN 216336 resp.