Author: Zhang Y.H.

Source: Experimental Heat Transfer, Volume 17, Number 1, January/February/March 2004 , pp. 69-90(22)

Publisher: Taylor and Francis Ltd

Abstract:

The naphthalene sublimation technique via the heat and mass transfer analogy is used to study the effects of the pitch of in-line delta winglet vortex generators on heat transfer and pressure drop of a finned three-row flat tube bank. The results show that the pitch of the in-line vortex generator has a strong effect on the heat transfer performance. The optimal pitch depends on the performance evaluation criteria. With the configurations considered in this article, for identical pumping power or combined constraint, a small pitch of 0.33 is best; for the identical pressure drop constraint, a value of 0.42 is best.</ P>

Document Type: Research article

Affiliations: 1: Department of Mechanical Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu, People's Republic of China

Publication date: 2004-01-01

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