Heat transfer downstream of an abrupt expansion in the transition Reynolds number regime
Journal Article
·
· Journal of Heat Transfer (Transcations of the ASME (American Society of Mechanical Engineers), Series C); (United States)
- Univ. of California, Davis (USA)
The heat transfer of an axisymmetric abrupt expansion in a pipe in the transition Reynolds number regime has been investigated experimentally. In these experiments the wall of the downstream pipe was heated to give a constant heat flux into air flow. The ratio of the upstream to downstream pipe diameters was 0.8 and the downstream Reynolds number ranged from 1,420 to 8,060. Within a narrow range of Reynolds numbers, around 5,000, the position of the maximum Nusselt number was found to shift considerably. This interesting behavior may be associated with the flow instabilities in sudden expansions which have been observed by others.
- OSTI ID:
- 5465057
- Journal Information:
- Journal of Heat Transfer (Transcations of the ASME (American Society of Mechanical Engineers), Series C); (United States), Journal Name: Journal of Heat Transfer (Transcations of the ASME (American Society of Mechanical Engineers), Series C); (United States) Vol. 109:1; ISSN 0022-1481; ISSN JHTRA
- Country of Publication:
- United States
- Language:
- English
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