A semi-empirical correlation for adiabatic interfacial friction factor in horizontal air-water countercurrent stratified flow
Journal Article
·
· International Communications in Heat and Mass Transfer
- Korea Advanced Institute of Science and Technology, Taejon (Korea, Republic of). Dept. of Nuclear Engineering
A semi-empirical correlation for an adiabatic interfacial friction factor (f{sub ia}) in a stratified wavy flow, based on the simultaneous measurements of the main flow parameters in air-water countercurrent stratified flows and the concept of surface roughness in a wavy flow, has been developed. The functional form for f{sub ia} in particular, has been obtained by making an analogy between the effect of surface roughness on the gas-to-wall friction factor (f{sub g}) in a wavy flow. A total of 186 data points from the present countercurrent flow test and 15 from the concurrent pipe flow reported by others have been used in the present analysis. Comparisons between the data and the predictions of the present correlation shows that the agreement is within {+-}30%.
- OSTI ID:
- 128766
- Journal Information:
- International Communications in Heat and Mass Transfer, Journal Name: International Communications in Heat and Mass Transfer Journal Issue: 5 Vol. 22; ISSN 0735-1933; ISSN IHMTDL
- Country of Publication:
- United States
- Language:
- English
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