Ice Formation and Heat Transfer With Water Flow Around Isothermally Cooled Cylinders Arranged in a Line

[+] Author and Article Information
T. Hirata, H. Matsui

Department of Mechanical Engineering, Faculty of Engineeering, Shinshu University, Nagano 380, Japan

J. Heat Transfer 112(3), 707-713 (Aug 01, 1990) (7 pages) doi:10.1115/1.2910444 History: Received April 18, 1989; Revised September 11, 1989; Online May 23, 2008


The ice formation phenomenon and heat transfer around isothermally cooled cylinders that are lined up in the direction of flow in a crossflow of cold water were examined experimentally. Under the conditions of low Reynolds numbers and low cooling temperatures, the cylinders became linked by an ice layer. The amount of ice formed around the cylinders was much more than that for a single cylinder. A correlation equation was proposed for the amount of linked ice around the cooled cylinders. It was found that the local heat transfer coefficients on the linked ice surface showed an alternating decrease and increase in the flow direction. The mean value of the local Nusselt number showed the same characteristic as that on a flat plate in a turbulent flow. A dimensionless parameter that represents how efficiently the cylinders can work as a thermal energy storage system was introduced.

Copyright © 1990 by The American Society of Mechanical Engineers
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