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TECHNICAL BRIEFS

Transient Temperature Profile of a Hot Wall Due to an Impinging Liquid Droplet

[+] Author and Article Information
M. Seki, H. Kawamura, K. Sanokawa

Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken, Japan

J. Heat Transfer 100(1), 167-169 (Feb 01, 1978) (3 pages) doi:10.1115/1.3450494 History: Online August 11, 2010

Abstract

An experiment was made to investigate the heat transfer to a liquid drop impinging on a hot surface. The transient temperature of the heater surface was measured by a thin-film thermometer. The surface temperature fell to a contact temperature immediately after contact with the drop. The contact temperature increased with increasing initial surface temperature T0 . In the case of the water drop, however, it was approximately constant for 200°C ≲ T0 ≲ 300°C; and it increased again for T0 ≳ 300°C. The surface temperature at the turning point, i.e., T0 ∼ 300°C, roughly coincided with the Leidenfrost point.

Copyright © 1978 by ASME
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