Present status of mirror stability theory

Baldwin, Dan; Berk, H. L.; Byers, J. A.

doi:10.2172/4096329

Cited by 4 publications

(1 citation statement)

References 3 publications

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“…Two other instabilities have recently come under close scrutiny. These are the convective loss-cone mode of Rosenbluth and Post [11], which could limit the length of a reactor to about 100 ion gyroradii [12], and the Alfven Ion Cyclotron Mode [13], which could limit the permitted j3^ to values less than permitted by the MHD instabilities already discussed. Neither instability has been identified in mirror plasmas to date, and will be subject to experimental tests in the next large mirror machine, MFTF.…”

Section: Introduction Scaling Lawsmentioning

confidence: 99%

Plasma models for standard mirror reactors

Devoto¹,

Bender²

1979

Nucl. Fusion

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The modelling of reactors based on neutral-beam-driven plasmas confined in open-ended magnetic wells (standard mirrors) is described. Two reactors have been treated in detail: a fusion reactor producing 500 MW of electrical power and one whose main output is 2000 kg per year of fissile material. Resultant parameters for the first (fusion) reactor are: Einj = 125 keV, β⊥ = 0.8, ⟨nτ⟩ = 4 × 1013 cm−3 · s and Q = 1.1. Corresponding values for the second (hybrid) reactor are: Einj = 94 (D0) and 141 (T0) keV, β⊥ = 0.7, ⟨nτ⟩ = 2 × 1013 cm−3 · s and Q = 0.67. The low Q-values of these reactors make them unattractive as electricity producers, but of potential value as fissile-fuel producers.

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Section: Introduction Scaling Lawsmentioning

confidence: 99%

Plasma models for standard mirror reactors

Devoto¹,

Bender²

1979

Nucl. Fusion

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References

1978

Handbook on Plasma Instabilities

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Stabilization of the Alfvén-ion cyclotron instability in inhomogeneous media

Tajima

Mima

1980

The Physics of Fluids

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Stabilization criteria for the Alfvén-ion cyclotron instability due to anisotropic temperature in inhomogeneous high β plasmas are obtained. A wave equation is derived appropriate to describe the essential aspects of this fluid-type instability in inhomogeneous media. The dispersion relation is obtained with the help of the associated Legendre functions. The critical β for stabilization is a sharply increasing function of the inhomogeneity strength of the system: the critical system length Lc is approximately proportional to β−1/2. Under the equilibrium configuration the stability criteria for the mirror mode instability and the present mode are compared, and it is found that those for the mirror mode are more stringent for moderate to large β.

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Present status of mirror stability theory

Cited by 4 publications

References 3 publications

Plasma models for standard mirror reactors

Plasma models for standard mirror reactors

References

Stabilization of the Alfvén-ion cyclotron instability in inhomogeneous media

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