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Träfflista för sökning "(swepub) lar1:(cth) srt2:(1990-1999) pers:(Vamling Lennart 1954) srt2:(1996)"

Search: (swepub) lar1:(cth) srt2:(1990-1999) pers:(Vamling Lennart 1954) > (1996)

  • Result 1-4 of 4
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  • Högberg, Marine, 1962, et al. (author)
  • Impact of uncertainties on estimations of heat pump cycle performance
  • 1996
  • In: International Journal of Refrigeration. ; 19:1, s. 34-42
  • Journal article (peer-reviewed)abstract
    • Sensitivity analysis is used to show how uncertainties in basic factors, such as heat transfer, pressure drop,compressor efficiency, and thermophysical properties, influence the result of heat pump cycle performanceestimations. By comparing the results of this analysis with uncertainty levels of estimations and experimental determinations, it is established to what extent improvements in accuracy are needed. The investigation was carried out for several different applications and, as working fluids, both pure substances and non-azeotropic mixtures were examined. It was found that evaporation heat transfer and compressor efficiency are two areas where improvements are needed. It is also shown that estimates using very accurate, substance-specific, equations of state differ from those using more general types by up to 1 % for COP and 2% for capacity.
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  • Result 1-4 of 4
Type of publication
journal article (2)
reports (1)
licentiate thesis (1)
Type of content
other academic/artistic (2)
peer-reviewed (2)
Author/Editor
Vamling, Lennart, 19 ... (4)
Wahlström, Åsa, 1966 (2)
Högberg, Marine, 196 ... (1)
University
Chalmers University of Technology (4)
Language
English (4)
Research subject (UKÄ/SCB)
Engineering and Technology (4)
Year
1996 (4)Undo refine

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