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Proceedings Paper

Heat transfer augmentation using liquid crystal
Author(s): Maciej Wierzbowski; Jan A. Stasiek
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Paper Abstract

A visualization technique is used to measure the heat transfer to a plane surface with obstacles. Liquid crystal coated on a mylar sheet is used to locate isotherms on a cooled plate. The isotherms on the plate surface are recorded by JVC-camera and true-color image processing system. Experimental procedure cover full-field flow patterns in heat exchanger element (flat plate with discs in-line, staggered and with vortex generators) describing local heat transfer coefficient and Nusselt number on the surface.

Paper Details

Date Published: 27 June 2002
PDF: 5 pages
Proc. SPIE 4759, XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications, (27 June 2002); doi: 10.1117/12.472189
Show Author Affiliations
Maciej Wierzbowski, Technical Univ. of Gdansk (Poland)
Jan A. Stasiek, Technical Univ. of Gdansk (Poland)

Published in SPIE Proceedings Vol. 4759:
XIV Conference on Liquid Crystals: Chemistry, Physics, and Applications
Jolanta Rutkowska; Stanislaw J. Klosowicz; Jerzy Zielinski, Editor(s)

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