This tutorial will teach you how to calculate air volume when you know other two parameters such as relative humidity, absolute humidity, enthalpy. All these parameters axis are drawn in the psychrometric chart to check.
Example of calculating volume per dry air 1kg using psychrometric chart. Air contains dry air (nitrogen, oxygen, carbon dioxide and more gases) and water vapor. Humidity tells us about water vapor amount. When humidity or temperature of air change volume of dry air changes.
A room exists at 250C. The room can be saturated at 150C. Calculate the volume per 1kg of dry air.
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