Two different plates A and B are in composite wall each of dimension 20cm*30cm and their thickness a

Feb 3rd, 2012
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Two different plates A and B are in composite wall each of dimension 20cm*30cm and their thickness are 3cm and 8cm respectively. Thermal conductivity are 0.25 and 0.85 in C.G.S system. calculate 1-the thermal resistance of each plate 2-if the free end of plate A at temperature 150c and plate B at temperature 20c calculate the heat current through the combination 3-the temperature of the point of junction 4-the temperature gradient of each plate

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Answer on Question #43048, Physics, Molecular Physics | ThermodynamicsQuestion.Two different plates A and B are in composite wall each of dimension 20cm*30cm and theirthickness are 3cm and 8cm respectively. Thermal conductivity are 0.25 and 0.85 in C.G.Ssystem.calculate1-the thermal resistance of each plate2-if the free end of plate A at temperature 150c and plate B at temperature 20c calculate theheat current through the combination3-the temperature of the point of junction4-the temperature gradient of each plateGiven: = 20 = 30 1 = 3 2 = 8 1 = 0.25 2 = 0.825 Find:1) 1 = ? 2 = ?2) 1 = 150; 2 = 20 =?3) = ?4) 1 = ? 2 = ?Solution.1) By definition thermal resistance is e

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