SUPERSONIC ROTATION IN THE MARYLAND CENTRIFUGAL EXPERIMENT

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" SUPERSONIC ROTATION IN THE MARYLAND CENTRIFUGAL EXPERIMENT "

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	149818
Doc. No	:	ET21610
Main Entry	:	Sarah Messer
Title Proper	:	SUPERSONIC ROTATION IN THE MARYLAND CENTRIFUGAL EXPERIMENT
Note	:	This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract	:	The Maryland Centrifugal Experiment (MCX) has been built to study the confinement ofsupersonically-rotating plasmas and velocity shear stabilization of MHD instabilities. Theorypredicts improved stability and confinement when a strong radial electric field is introducedinto a magnetic-mirror geometry. The resulting radial currents establish a stable highly shearedplasma rotating at supersonic velocities in the azimuthal direction under the influence of J _ Bforces. This arrangement leads to increased confinement because the supersonic rotation createsan artificial radial gravity which draws the plasma away from the mirrors, closing the mir-ror loss cone. The large v. shear stabilizes the plasma and enforces laminar flow. Based onthese concepts, we have designed and constructed a machine to produce supersonically rotat-ing highly-ionized plasmas. It typically does this by introducing a radial voltage of 7 kV in amagnetic-mirror geometry, 2 kG at the midplane and 19 kG at each mirror. MCX has completedits main construction phase and is acquiring data, here analyzed primarily in terms of a circuitmodel which infers plasma characteristics from the radial voltage across the plasma and the totalradial current. The theory and simulations supporting the MCX centrifugal confinement schemetested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject	:	Electericl tess
	:	برق
electronic file name	:	TL44785.pdf
Title and statement of responsibility and	:	SUPERSONIC ROTATION IN THE MARYLAND CENTRIFUGAL EXPERIMENT [Thesis]