Experimental study of condensation heat transfer of R-134a flow in corrugated tubes with different inclinations
作者： D. Khoeini , M.A. Akhavan-Behabadi , A. Saboonchi
DOI: 10.1016/J.ICHEATMASSTRANSFER.2011.09.011
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摘要: Abstract This experimental study is performed to investigate condensation heat transfer coefficient of R-134a flow inside corrugated tube with different inclinations. Different inclinations test condenser ranging from − 90 ° + 90 and various mass velocities in the range 87 253 [kg/m 2 s] are considered this study. Data analysis showed that change inclination had a significant effect on behavior. At low velocities, vapor qualities, highest was obtained for α = + 30 which 1.41 times greater than least one = − 90 . The results also at all average coefficients were achieved Based results, new empirical correlation proposed predict R134a tubes
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sci-hub.se 参考文章(11)
V.D. Zimparov, N.L. Vulchanov, L.B. Delov, Heat transfer and friction characteristics of spirally corrugated tubes for power plant condensers—1. Experimental investigation and performance evaluation International Journal of Heat and Mass Transfer. ,vol. 34, pp. 2187- 2197 ,(1991) , 10.1016/0017-9310(91)90045-G
Suriyan Laohalertdecha, Somchai Wongwises, An experimental study into the evaporation heat transfer and flow characteristics of R-134a refrigerant flowing through corrugated tubes International Journal of Refrigeration-revue Internationale Du Froid. ,vol. 34, pp. 280- 291 ,(2011) , 10.1016/J.IJREFRIG.2010.07.012
James G. Withers, Edwin H. Young, Steam Condensing on Vertical Rows of Horizontal Corrugated and Plain Tubes. Application in Desalination of Water Industrial & Engineering Chemistry Process Design and Development. ,vol. 10, pp. 19- 30 ,(1971) , 10.1021/I260037A004
M.A. Akhavan-Behabadi, Ravi Kumar, S.G. Mohseni, Condensation heat transfer of R-134a inside a microfin tube with different tube inclinations International Journal of Heat and Mass Transfer. ,vol. 50, pp. 4864- 4871 ,(2007) , 10.1016/J.IJHEATMASSTRANSFER.2007.02.030
Kanit Aroonrat, Somchai Wongwises, Evaporation heat transfer and friction characteristics of R-134a flowing downward in a vertical corrugated tube Experimental Thermal and Fluid Science. ,vol. 35, pp. 20- 28 ,(2011) , 10.1016/J.EXPTHERMFLUSCI.2010.08.002
M. A. Akhavan-Behabadi, M. R. Salimpoor, Ravi Kumar, K. N. Agrawal, Augmentation of Forced Convection Condensation Heat Transfer Inside a Horizontal Tube Using Spiral Spring Inserts Journal of Enhanced Heat Transfer. ,vol. 12, pp. 373- 384 ,(2005) , 10.1615/JENHHEATTRANSF.V12.I4.60
W.C. Wang, X.H. Ma, Z.D. Wei, P. Yu, Two-phase flow patterns and transition characteristics for in-tube condensation with different surface inclinations. International Journal of Heat and Mass Transfer. ,vol. 41, pp. 4341- 4349 ,(1998) , 10.1016/S0017-9310(98)00041-6
Suriyan Laohalertdecha, Somchai Wongwises, Condensation heat transfer and flow characteristics of R-134a flowing through corrugated tubes International Journal of Heat and Mass Transfer. ,vol. 54, pp. 2673- 2682 ,(2011) , 10.1016/J.IJHEATMASSTRANSFER.2010.12.034
Suriyan Laohalertdecha, Somchai Wongwises, The effects of corrugation pitch on the condensation heat transfer coefficient and pressure drop of R-134a inside horizontal corrugated tube International Journal of Heat and Mass Transfer. ,vol. 53, pp. 2924- 2931 ,(2010) , 10.1016/J.IJHEATMASSTRANSFER.2010.01.037
Waldemar Targanski, Janusz T. Cieslinski, Evaporation of R407C/oil mixtures inside corrugated and micro-fin tubes Applied Thermal Engineering. ,vol. 27, pp. 2226- 2232 ,(2007) , 10.1016/J.APPLTHERMALENG.2005.07.026