The heat transfer characteristics of an impinging jet into a crossflow have been investigated by the liquid crystal thermography technique. The jet nozzle is circular and is inclined at 10 deg with respect to the target wall. In a turbulent flow regime, the effects of the jet Reynolds number, the velocity ratio, and the crossflow Reynolds number on the heat transfer are examined. The results show that the heat transfer patterns are strongly affected by the jet Reynolds number and the velocity ratio. For a given jet Reynolds number, it is found that the crossflow diminishes the peak Nusselt number in the jet impingement region. However, in the wall jet region, the results suggest that the local heat transfer is nearly independent of the crossflow Reynolds number.
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e-mail: lei.wang@energy.lth.se
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December 2011
This article was originally published in
Journal of Heat Transfer
Research Papers
Heat Transfer Characteristics of an Impinging Jet in Crossflow
Lei Wang,
e-mail: lei.wang@energy.lth.se
Lei Wang
Heat Transfer Division, Lund University
, Box 118, Lund SE-22 100, Sweden
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Bengt Sundén,
Bengt Sundén
Heat Transfer Division, Lund University
, Box 118, Lund SE-22 100, Sweden
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Andreas Borg,
Andreas Borg
Volvo Aero Corporation
, Trollhättan SE-46 181, Sweden
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Hans Abrahamsson
Hans Abrahamsson
Volvo Aero Corporation
, Trollhättan SE-46 181, Sweden
Search for other works by this author on:
Lei Wang
Heat Transfer Division, Lund University
, Box 118, Lund SE-22 100, Sweden
e-mail: lei.wang@energy.lth.se
Bengt Sundén
Heat Transfer Division, Lund University
, Box 118, Lund SE-22 100, Sweden
Andreas Borg
Volvo Aero Corporation
, Trollhättan SE-46 181, Sweden
Hans Abrahamsson
Volvo Aero Corporation
, Trollhättan SE-46 181, Sweden
J. Heat Transfer. Dec 2011, 133(12): 122202 (10 pages)
Published Online: October 7, 2011
Article history
Received:
June 22, 2010
Revised:
June 29, 2011
Published:
October 7, 2011
Citation
Wang, L., Sundén, B., Borg, A., and Abrahamsson, H. (October 7, 2011). "Heat Transfer Characteristics of an Impinging Jet in Crossflow." ASME. J. Heat Transfer. December 2011; 133(12): 122202. https://doi.org/10.1115/1.4004527
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