Pressure rise in a plasma due to the Nernst effect

Grassmann, P.; Klueber, O.; Wulff, Hans Jürgen

doi:10.1016/0375-9601(67)90606-8

Cited by 7 publications

(2 citation statements)

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“…Der Druckaufbau in Heliumplasmen in einem starken axialen Magneffeld ist frfiher schon untersucht worden [4][5][6]. Es stellte sich heraus, dab der Druckverlauf im wesentlichen durch zwei thermomagnetische Effekte bestimmt wird.…”

Section: Erkl/irung Des Radialen Verlaufs Der Elcktronendichteunclassified

Elektronendichteverlauf in magnetisierten Wasserstoffb�gen bei Abweichung der Ionentemperatur von der Elektronentemperatur

Venus

1973

Z. Physik

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Electron Density Distribution in Magnetized Hydrogen Arc Plasmas with the Ion Temperature Deviating from the Electron TemperatureThe radial distribution of the electron density ne(r ) (ne=approx. 1016 cm 3) in hydrogen arc plasmas in a strong axial magnetic field is determined by measuring the rotation of the polarization plane of linearly polarized light (Faraday effect). As expected, it is found that the electron density decreases towards the discharge axis, i.e. with increasing temperature, but again rises near the axis. This increase is due to a thermomagnetic effect, the Nernst effect, in cases where the ion temperature is much lower than the electron temperature.

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Section: Erkl/irung Des Radialen Verlaufs Der Elcktronendichteunclassified

Elektronendichteverlauf in magnetisierten Wasserstoffb�gen bei Abweichung der Ionentemperatur von der Elektronentemperatur

Venus

1973

Z. Physik

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“…The importance of thermomagnetic currents ͑Nernst ef-fect͒ for the confinement of plasmas was first recognized by Grassmann et al, 1 and for the release of energy through thermonuclear fusion by the author, 2 and by Hassam and Huang. 3 In the proposal which was made by the author, the thermomagnetic currents are driven by a high velocity projectile axially shot through a pinch discharge channel.…”

Section: Introductionmentioning

confidence: 99%

Thermonuclear plasma with autocatalytic thermomagnetic current amplification by nuclear reactions from fusion neutrons

Winterberg

2006

Physics of Plasmas

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It is proposed to use the neutrons released from a deuterium-tritium or deuterium-deuterium fusion reaction to drive thermomagnetic currents in a plasma corona surrounding the fusion plasma through the heating of the corona with nuclear reactions by the neutrons released in the fusion reaction. Because the neutron reaction cross sections are larger for slow neutrons, it is proposed to slow them down in a moderator separated from the hot plasma of the corona, giving the configuration a striking similarity to a heterogeneous nuclear fission reactor. While in a fission reactor the separation makes possible a growing neutron chain reaction, it here makes possible the autocatalytic amplification of the thermomagnetic currents by an increase of the fusion reaction rate through a rise of the plasma pressure by the magnetic pressure of the thermomagnetic currents. This is expected to substantially increase the n product over its Lawson value.

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Determination of Thermomagnetic Current by Using Neutron Released from Deuterium–Tritium Fusion Reactions in Hybrid Reactors

Motlagh

2007

J Fusion Energ

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Pressure rise in a plasma due to the Nernst effect

Cited by 7 publications

References 0 publications

Elektronendichteverlauf in magnetisierten Wasserstoffb�gen bei Abweichung der Ionentemperatur von der Elektronentemperatur

Elektronendichteverlauf in magnetisierten Wasserstoffb�gen bei Abweichung der Ionentemperatur von der Elektronentemperatur

Thermonuclear plasma with autocatalytic thermomagnetic current amplification by nuclear reactions from fusion neutrons

Determination of Thermomagnetic Current by Using Neutron Released from Deuterium–Tritium Fusion Reactions in Hybrid Reactors

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