Experimental study of droplet coalescence on aluminum surface induced by pins

doi:10.7523/j.issn.2095-6134.2018.02.012

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›› 2018, Vol. 35 ›› Issue (2): 227-232.DOI: 10.7523/j.issn.2095-6134.2018.02.012

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Experimental study of droplet coalescence on aluminum surface induced by pins

ZHANG Leigang, CHEN Zhenqian

School of Energy and Environment, Southeast University, Nanjing 210096, China

Received:2017-04-27 Revised:2017-05-31 Online:2018-03-15

Abstract

Abstract: In this work, the phenomenon of the condensed droplets on a cooled aluminum plate after contact with pins was observed in the experimental study. The changes in radius of the droplet induced by the pins of different sizes at different times were observed and the radius of the cleaned area was cleared. The heat flux and heat transfer coefficient calculated based on the measured temperatures were analyzed. Effects of pins on the heat flux and heat transfer coefficient were discussed.

Key words: pin, aluminum plate surface, condensed droplets, heat transfer coefficient

CLC Number:

TK124

ZHANG Leigang, CHEN Zhenqian. Experimental study of droplet coalescence on aluminum surface induced by pins[J]. , 2018, 35(2): 227-232.

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Experimental study of droplet coalescence on aluminum surface induced by pins

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