NDLI: Calculation of radiative heat transfer in SF/sub 6/ arc plasmas

Content Provider	IEEE Xplore Digital Library
Author	Aubrecht, V. Bartlova, M.
Copyright Year	1973
Abstract	Radiation transport in SF/sub 6/ are plasmas have been treated for pressures of 0.101, 0.5, and 1.0 MPa. We have investigated the use of an approximate method of partial characteristics. We have calculated spectral absorptivities for SF/sub 6/ plasmas for temperatures from 300 to 35 000 K, and have used these absorptivities to calculate the two functions designated /spl Delta/I and /spl Delta/Sim. These functions are integrals over all radiation frequencies for given line segments with a linear variation of temperature along the line. The /spl Delta/I and /spl Delta/Sim values are functions of the end temperatures and the length of the line, and are used to evaluate radiation transfer from line segments in the plasma where the temperature variation for each line segment is approximated as being linear. The validity of this method of partial characteristics has been demonstrated by comparing exact calculations with the approximate calculations to evaluate radiation intensities, radiation fluxes, and divergence of radiation fluxes for specified temperature profiles. The method of partial characteristics has been applied to one- and three-dimensional calculations of radiative heat transfer in simplified temperature profiles. Agreement up to 10% is obtained with exact calculations, but with a large reduction of computation time.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	815
Ending Page	823
Page Count	9
File Size	220274
File Format	PDF
ISSN	00933813
Volume Number	25
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heat transfer Plasma temperature Plasma properties Plasma transport processes Plasma applications Frequency Energy exchange Absorption Isothermal processes Sulfur hexafluoride
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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