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EXPERIMENTAL STUDY OF ORTHOGONAL WATER JET IMPINGEMENT ON HORIZONTAL HEATED PLATE

Minhaj Hashim
Department of Metallurgical Engineering and Materials Science, IIT Bombay

N.N. Viswanathan
Department of Metallurgical Engineering and Materials Science, IIT Bombay

Arunkumar Sridharan
Department of Mechanical Engineering, IIT Bombay

DOI: 10.1615/IHMTC-2017.1250
pages 889-895

摘要

Hot rolled steel sheets are cooled to a desired coiling temperature at a controlled cooling rate in a "Run-Out Table". This is achieved through long ambient air cooling zones with intermittent banks of impinging water jets. For better understanding of the heat transfer phenomena on a "Run-out Table" an experimental set up has been designed and fabricated at IIT Bombay. The setup was designed to perform orthogonal water jet impingement studies on a heated horizontal SS-304 plate. The detailed set up design is discussed. The plate is instrumented at the sub-surface to measure surface temperature at various locations. The temperature versus time plots are obtained. The slope of the curve is a measure of the heat removal rate. The preliminary results for temperature gradient with time is also discussed.

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