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Engineering, 26.07.2019 17:20 ri069027

Electric heater wires are installed in a solid wall having a thickness of 8 cm and k = 2.5 w/ the right face is exposed to an environment with h = 50 w/m,°c and t.-30 °c, while the left face is exposed to h = 75 w/m,°c and t. = 50 °c, what is the maximum allowable heat gencration rate such that the maximum temperature in the solid does not exceed 300 °c?

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