Giri, A and Narasimham, GSVL and Krishna Murthy, MV (2003) Combined natural convection heat and mass transfer from vertical fin array. In: International Journal of Heat and Fluid Flow, 24 (1). pp. 100-113.
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Natural convection transport processes play an important role in many applications like ice-storage air-conditioning. A mathematical formulation of natural convection heat and mass transfer over a shrouded vertical ﬁn array is developed. The base plate is maintained at a temperature below the dew point of the surrounding moist air. Hence there occurs condensation of moisture on the base plate, while the ﬁns may be partially or fully wet. A numerical study is performed by varying the parameters of the problem. The local and average Nusselt numbers decrease in streamwise direction and tend to approach fully developed values for suﬃciently large values of the ﬁn length. The results show that beyond a certain streamwise distance, further ﬁn length does not improve the sensible and latent heat transfer performance, and that if dry ﬁn analysis is used under moisture condensation conditions, the overall heat transfer will be underestimated by about 50% even at low buoyancy ratios.
|Item Type:||Journal Article|
|Additional Information:||Copyright of this article belongs to Elsevier Science|
|Keywords:||Natural convection; Heat and mass transfer; Vertical ﬁn array|
|Department/Centre:||Division of Mechanical Sciences > Mechanical Engineering|
|Date Deposited:||28 May 2009 10:25|
|Last Modified:||19 Sep 2010 04:53|
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