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An investigation on heat transfer effects of two dimensional plane jet attaching offseted obliqued wall
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 Title & Authors
An investigation on heat transfer effects of two dimensional plane jet attaching offseted obliqued wall
Yun, Sun-Hyeon; Lee, Dae-Hui; Sim, Jae-Gyeong; Song, Heung-Bok;
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 Abstract
Experiments have been conducted to determine the flow and heat transfer characteristics for a two-dimensional turbulent wall attaching offset jet at different oblique angles to a flat surface. The distributions of the wall static pressure coefficient and time-averaged reattachment position for various offset ratios and oblique angles have been measured. The local Nusselt number distributions on the plate surface were also measured using liquid crystal as a temperature indicator. The new hue-capturing technique utilizing a true color image processing system was used to accurately determine the temperature of the liquid crystal. The experiments were carried out at Reynolds number, Re (based on D) of from 7300 to 21,300 with offset ratio, H/D from 2.5 to 10, and oblique angle, .alpha. from 0 deg. to 400 deg..
 Keywords
Liquid Crystal;Convective Heat Transfer;Inclined Wall Attaching Offset Jet;Nusselt Number;Gold Coated Film;Color Image Processing System;
 Language
Korean
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