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The temperature distribution across a wall 0.3 m thick at a certain instant of time is T(x) = a + bx + cx2, where T is in degrees Celsius and x is in meters, a = 200°C, b = -200°C/m, and c = 30°C/m2. The wall has a ther- mal conductivity of 1 W/m · K.
(a) On a unit surface area basis, determine the rate of heat transfer into and out of the wall and the rate of change of energy stored by the wall.
(b) If the cold surface is exposed to a fluid at 100°C, what is the convection coefficient?
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Fixed-price contracts, where the contractor bids a fixed price to complete a system development, may be used to move project risk from client to contractor.
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