Konvektive Wärmeübertragung in einem laminaren Stickstoff‐Plasmastrahl I

APPENDIXThe molecular-dynamic results of Alder are given in a form where the Holmholtz energy is the sum of a hard-sphere part and a perturbation part; the latter follows from attractive intermolecular forces. These are represented by a square-well potential where the width of the well is a fixed multiple ( H ) of the hard-sphere diameter. For the hard-sphere part we use the Carnahan-Starling equation. For the perturbation part we use Alder's results: The dimensionless constantsA, are n = l , M = 6 n = 2 , M = 9 n = 3 , M = 5 n = 4 , M = 4 A43 = -0.41246808 X 10' When For methane the effect of temperature on vbsp is given by ---~' s p where subscript sp (specific) indicates that u' is per gram.in an Argon Plasma A reactor system was developed for the study of heterogeneous reaction kinetics in plasma tail flames. This system was used to investigate the thermal decomposition kinetics of stationary particles of molybdenum disulfide in both the molten and solid state when exposed to argon flames in the temperature range 3 OOOOK to 8 00O0K.In the solid state a shrinking-core reaction model was obeyed. The rate of reaction was largely controlled by the diffusion of sulfur vapor outwards through the product layer. An apparent activation energy of 134

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The decomposition kinetics of molybdenite in an argon plasma

Munz

Gauvin

1975

AIChE Journal

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Eine Methode zur Bestimmung der Viskosität eines Plasmas bei Atmosphärendruck

Rother

1970

Contrib Plasma Phys

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In this paper a simple method is described to measure the viscosity of a plasma at atmospheric pressure: If spheres move through a cylindricel plasma perpendicular to the axis they undergo a deflection fmm which the resistance coefficient can be calculated. Measuring too the dynamic pregsure and the temperature and knowing the resistance Ooeficient aa function of the REYNOLDS number the viscosity can be computed. As an example the measurement of the viscosity of a nitrogen plasma is reported.

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Nusselt number correlations for heat transfer to small spheres in thermal plasma flows

Young

Pfender

1987

Plasma Chem Plasma Process

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Konvektive Wärmeübertragung in einem laminaren Stickstoff‐Plasmastrahl I

Cited by 4 publications

References 12 publications

The decomposition kinetics of molybdenite in an argon plasma

The decomposition kinetics of molybdenite in an argon plasma

Eine Methode zur Bestimmung der Viskosität eines Plasmas bei Atmosphärendruck

Nusselt number correlations for heat transfer to small spheres in thermal plasma flows

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