Convective Heat transfer

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Suppose that the right-hand end of a rod is insulated. That means that no heat can flow out of that end to the right, nor can any heat flow into that end from the right. Any heat flowing into the segment from the lefthand side will be trapped, and simply raise the temperature of the segment.Let's look again at one small section of a metal rod. The section has a width dx and a cross-section area A. We are interested in the amount of heat flowing through this little section of the rod. We'll use the convention that rate at which energy flows through the section, q(x), is positive if the energy flows in the positive X direction. The units of q areMathematically,q=-k rho C(del T)/(del x)whereis rate of energy flowing through sectionis the thermal diffusivity of materialis the density of the material (kg//m^(^^)3)is the heat capacity of the material ( J//kg***deg C)is the temperature of the material (deg C)is positionNote th ... See the full answer