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A laboratory furnace wall is constructed of 0.20m thick fireclay brick having k1=1.2 W/m-°C. This is covered on the outer surface with a 0.035 m thick layer of insulation material having k2 =0.08W/m -°C .The furnace inner brick surface is at 980°C and the outer surface of the insulation material is at 35°C . Calculate the steady state heat transfer rate through the wall in W/m².
The maximum flow past a circular cylinder is 2 X the Up stream velocity. The max velocity occurs at the center line of the top of the cylinder.
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