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A plane wall (thermal conductivity = 10.2 w/moc) of 100 mm thickness and area 3m2 has steady surface temperature of 170oc and 100oc.
(i) The temperature gradient in the flow direction.
(ii)The ratio of flow of heat across the plane wall.
(b) Calculate the heat transfer by convection over a surface of 0.75m2 if the surface is at 200oc and the fluid is at 80oc. The value of convective heat transfer co-efficient is 25 w/m2 oc.
Work done - thermodynamics: A free expansion process is a process in which system expands freely without experience any resistance. I.E. is constant at the time of state chang
Objectives After studying this section, you should be capable to: known properties that are essential to be present in a material for high temperature applications,
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