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INVESTIGATION OF HEAT TRANSFER IN RAREFIED GASES OVER A WIDE RANGE OF KNUDSEN NUMBERS.

Author(s) : SEMYONOV Yu. G., BORISOV S. F., SUETIN P. E.

Type of article: Article

Summary

THE HEAT FLUXES FOR A NUMBER OF INERT AND SOME POLYATOMIC GASES HAVE BEEN MEASURED UNDER DIFFERENT HEAT TRANSFER CONDITIONS RANGING FROM A MOLECULAR TO A CONTINUUM REGIME. THE EXPERIMENTAL RESULTS HAVE BEEN COMPARED WITH THE THEORETICAL ONES OBTAINED FROM THE SOLUTION OF THE BGK MODEL. THE FILAMENTS WERE MADE OF PLATINUM, NICKEL, TUNGSTEN AND TANTALUM. CONTROL OF THE SURFACE STATE WAS ACCOMPLISHED BY THE THERMAL FLASH METHOD AND BY CHECKING A CHANGE IN THE SURFACE EMISSIVITY.

Details

  • Original title: INVESTIGATION OF HEAT TRANSFER IN RAREFIED GASES OVER A WIDE RANGE OF KNUDSEN NUMBERS.
  • Record ID : 1985-0975
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 27 - n. 10
  • Publication date: 1984/10

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