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International Heat Transfer Conference 6

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

DIRECT CONTACT PHENOMENON BETWEEN A LIQUID DROPLET AND HIGH TEMPERATURE SOLID SURFACE

Shigefumi Nishio
Key Laboratory of Enhanced Heat Transfe and Energy Conservation, Ministry of Education, School of Chemical and Energy Engineering, South China University of Technology, China; and Institute of Industrial Science and Technology, University of Tokyo, Japan

Masaru Hirata
Dept. of Mechanical Engineering, The University of Tokyo, Tokyo 113, Japan; Shibaura Institute of Technology 307 Fukasaku, Saitama-shi, Saitama, 330-8570 Japan

DOI: 10.1615/IHTC6.3890
pages 245-250

Abstract

Recently the Leidenfrost phenomenon has been invesitigated intensively. But it is not so easy yet to predict the Leidenfrost temperature, because the dynamic behaviour of the direct contact between a liquid droplet and a high temperature solid surface has not been clarified sufficiently. This paper presents the visual study of the contact surface and the systematic measurements of the Leidenfrost temperature for wide varieties of variables. Based on these observations, a theoretical model which pre-dicts the Leidenfrost temperature is proposed.

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