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I know I can bring up my molliers chart and use that enthalpy scale and draw a line and all that, but I want to know how to calculate it, and I cannot find any formula.

Right now I have a problem where I only have the absolute moisture content before the humidifyer at w=0.0057 kg/kg and I know the flowrate and the enthalpy of the steam, and also all the data after the humidifyer, so now I need to know the enthalpy before the humidifyer. How to do?

Thanks in advance.

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# HVAC: Calculating enthalpy change after humidification

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