1991
DOI: 10.13182/fst91-a29322
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The Madison Symmetric Torus

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Cited by 312 publications
(179 citation statements)
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“…The magnetic fluctuation-induced electron thermal flux was measured in MST, 6 a large reversed-field pinch ͑RFP͒ with a minor radius of aϭ0.52 m, a major radius of Rϭ1.5 m, and a plasma current of IϽ0.7 MA. Plasmas in MST typically have a line-average density and temperature of 1ϫ10 13 cm Ϫ3 and 300 eV, respectively.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The magnetic fluctuation-induced electron thermal flux was measured in MST, 6 a large reversed-field pinch ͑RFP͒ with a minor radius of aϭ0.52 m, a major radius of Rϭ1.5 m, and a plasma current of IϽ0.7 MA. Plasmas in MST typically have a line-average density and temperature of 1ϫ10 13 cm Ϫ3 and 300 eV, respectively.…”
Section: Methodsmentioning
confidence: 99%
“…4 We describe herein experimental observations and an analytical theory that directly contradict the above assertions. Measurement of the magnetic fluctuation-induced electron heat flux 5 in the edge of the Madison Symmetric Torus 6 ͑MST͒ shows that it is convective, despite the presence of a temperature gradient, and ambipolar constrained. The ambipolar constraint is underscored by a simple modeling exercise that shows that the flux is well described by a Rechester-Rosenbluth diffusivity, 7 but with ion thermal velocity as the streaming factor.…”
Section: Introductionmentioning
confidence: 99%
“…Table I lists the materials used for plasma facing components ͑PFC͒ in different fusion devices around the world and in ITER. [20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39] As seen, the commonly used materials are Be, C, Fe, Mo, and W. The choice of material in current devices is typically governed by specific thermochemical characteristics in hydrogen plasma environment, cost, and suitable construction properties as well as by plasma performance considerations. Note that boron was widely used in recent fusion plasma experiments as the restorable coating of PFCs.…”
Section: Introductionmentioning
confidence: 99%
“…4 Furthermore, magnetic reconnection enables Taylor relaxation, 5 the mechanism by which plasmas selforganize into spheromak 6 or reversed field pinch (RFP) configurations. 7,8 Magnetic reconnection involves extreme magnetic nonuniformity and was long considered to be governed by a resistive magnetohydrodynamics (MHD) differential equation 9,10 for the out-of-plane vector potential component A z . Because this equation predicts reconnection far slower than observed, 4,11 much effort has gone into developing models predicting faster reconnection and this effort has culminated in the general agreement that fast reconnection results from Hall and finite m e terms missing from MHD.…”
Section: Introductionmentioning
confidence: 99%