NASA Technical Reports Server (NTRS) : Transport pdf

NASA Technical Reports Server (NTRS) : Transport

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The current field strength characteristic, E(1), and a large number of radial temperature distributions, T(r,I), measured in a 5 mm N2 cascade arc at normal pressure are used to evaluate the transport properties of nitrogen up to 26,000 K. The electrical conductivity sigma (T) and the Coulomb cross section are determined directly from the E(I) and several T(r,I) curves. Between 10,000 and 15,000 K the radiative energy flux for different arc current, the thermal conductivity, and from this the charge exchange cross section are determined in a good approximation utilizing the large number of measured temperature distributions. It turns out, that at the highest measured arc current, i.e., 570 A, in the axial region of the arc about 95% of the supplied energy is carried off by radiation

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 7/1/1980
• Year: 1980
• Book Topics/Themes: NASA Technical Reports Server (NTRS), HIGH TEMPERATURE GASES, NITROGEN, PLASMA PHYSICS, TRANSPORT PROPERTIES, DIFFERENTIAL EQUATIONS, ELECTRICAL RESISTIVITY, PLASMA JETS, TEMPERATURE DISTRIBUTION, Hermann, W., Schade, E

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