A hot brass plate is having its upper surface cooled by impinging jet of air at temperature
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A hot brass plate is having its upper surface cooled by impinging jet of air at temperature of 15°C and convection
heat transfer coefficient of 220 W/m2 · K. The 10-cm thick brass plate (ρ = 8530 kg/m3, cp = 380 J/kg · K, k = 110 W/m · K, and a = 33.9 × 106 m2/s) has a uniform initial temperature of 650°C, and the bottom surface of the plate is insulated. Determine the temperature at the center plane of the brass plate after 3 minutes of cooling. Solve this problem using analytical one term approximation method (not the Heisler charts).
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Related Book For 
Heat And Mass Transfer Fundamentals And Applications
ISBN: 9780073398181
5th Edition
Authors: Yunus Cengel, Afshin Ghajar
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