If h1 = 32 kJ/kg, h2 = 41 kJ/kg, hfw = 49 kJ/kg, W1 = 0.0109 kg/kg of dry air and W2 = 0.0297 kg/kg of dry air then what is the value of sigma heat?

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If h<sub>1</sub> = 32 kJ/kg, h<sub>2</sub> = 41 kJ/kg, h<sub>fw</sub> = 49 kJ/kg, W<sub>1</sub> = 0.0109 kg/kg of dry air and W<sub>2</sub> = 0.0297 kg/kg of dry air then what is the value of sigma heat?






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