3D CFD simulations of air cooled condenser-II: Natural draft around a single finned tube kept in a small chimney
作者： Ankur Kumar , Jyeshtharaj B. Joshi , Arun K. Nayak , Pallippattu K. Vijayan
DOI: 10.1016/J.IJHEATMASSTRANSFER.2015.07.136
关键词:
摘要: •3D CFD simulations of natural convection around a finned-tube.•The effect various geometrical parameters like fin spacing, diameter, chimney height, tube deigns, etc.•The behavior thermal-boundary layer with varying and physical parameters.•The contribution fins in enhancing the heat transfer coefficient at spacing diameter.
elsevier.com
sci-hub.se 参考文章(45)
Stanisław Łopata, Paweł Ocłoń, Numerical study of the effect of fouling on local heat transfer conditions in a high-temperature fin-and-tube heat exchanger Energy. ,vol. 92, pp. 100- 116 ,(2015) , 10.1016/J.ENERGY.2015.03.048
B.N. Thorat, J.B. Joshi, Regime transition in bubble columns: experimental and predictions Experimental Thermal and Fluid Science. ,vol. 28, pp. 423- 430 ,(2004) , 10.1016/J.EXPTHERMFLUSCI.2003.06.002
S. A. Idem, A. M. Jacobi, V. W. Goldschmidt, Heat Transfer Characterization of a Finned-Tube Heat Exchanger (With and Without Condensation) Journal of Heat Transfer-transactions of The Asme. ,vol. 112, pp. 64- 70 ,(1990) , 10.1115/1.2910366
S. Yildiz, H. Y�nc�, An experimental investigation on performance of annular fins on a horizontal cylinder in free convection heat transfer Heat and Mass Transfer. ,vol. 40, pp. 239- 251 ,(2004) , 10.1007/S00231-002-0404-X
X. Hu, A. M. Jacobi, Local Heat Transfer Behavior and Its Impact on a Single-Row, Annularly Finned Tube Heat Exchanger Journal of Heat Transfer-transactions of The Asme. ,vol. 115, pp. 66- 74 ,(1993) , 10.1115/1.2910671
Parinya Pongsoi, Patcharapit Promoppatum, Santi Pikulkajorn, Somchai Wongwises, Effect of fin pitches on the air-side performance of L-footed spiral fin-and-tube heat exchangers International Journal of Heat and Mass Transfer. ,vol. 59, pp. 75- 82 ,(2013) , 10.1016/J.IJHEATMASSTRANSFER.2012.11.071
H. Koizumi, I. Hosokawa, Chaotic behavior and heat transfer performance of the natural convection around a hot horizontal cylinder affected by a flat ceiling International Journal of Heat and Mass Transfer. ,vol. 39, pp. 1081- 1091 ,(1996) , 10.1016/0017-9310(95)00185-9
Yee Lee, Seppo A. Korpela, Multicellular natural convection in a vertical slot Journal of Fluid Mechanics. ,vol. 126, pp. 91- 121 ,(1983) , 10.1017/S0022112083000063
N. Kayansayan, Thermal characteristics of fin-and-tube heat exchanger cooled by natural convection Experimental Thermal and Fluid Science. ,vol. 7, pp. 177- 188 ,(1993) , 10.1016/0894-1777(93)90001-Y
Tahseen Ahmad Tahseen, M. Ishak, M.M. Rahman, An Overview on Thermal and Fluid Flow Characteristics in a Plain Plate Finned and Un-Finned Tube Banks Heat Exchanger Renewable & Sustainable Energy Reviews. ,vol. 43, pp. 363- 380 ,(2015) , 10.1016/J.RSER.2014.10.070