On the accuracy of HITEMP-2010 calculated emissivities of Water Vapor and Carbon Dioxide

Michael Alberti, Roman Weber, Marco Mancini, Alexander Fateev, Sønnik Clausen

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Abstract

Line-by-line (LbL) calculations using either HITRAN or HITEMP spectral data bases are often used for predicting gas radiation properties like absorption coefficients or emissivities. Due to the large size of these data bases, calculations are computationally too expensive to be used in regular CFD-simulations and are rather used for benchmark calculations to validate less complex models. In order to determine the accuracy of these simplified models, the accuracy of HITRAN/ HITEMP data bases must be known. We summarize important high temperature measurements and compare them with line-by-line calculations. Furthermore, we point out the difficulties that arise when the line-by-line method is used at high pressures.
Original languageEnglish
Title of host publicationProceedings of the 10th European Conference on Industrial Furnaces and Boilers
Number of pages10
Publication date2015
Publication statusPublished - 2015
Event10th International Conference on Industrial Furnaces and Boilers - The Holiday Inn Porto Gaia , Porto, Portugal
Duration: 7 Apr 201510 Apr 2015
http://www.cenertec.pt/infub/

Conference

Conference10th International Conference on Industrial Furnaces and Boilers
LocationThe Holiday Inn Porto Gaia
CountryPortugal
CityPorto
Period07/04/201510/04/2015
Internet address

Keywords

  • Line-by-Line
  • HITEMP-2010
  • High Temperature
  • High Pressure
  • Lorentz line shape

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