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Calculating Humidity Based on Dry-Bulb and Wet-Bulb Temperatures

Author: kimioChanExecutions: 1302852

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Dry-bulb temperature t=
℃
Wet-bulb temperature tw=
℃
Atmospheric pressure P=
Pascal
Wet-bulb freezing: None = 1, Present = 2
Relative Humidity RH= % = (P / Ps) * 100
Absolute humidity AbsH=  g_H2O/m³_dry air
Discomfort Index DI= 
(Calculating Humidity Based on Dry-Bulb and Wet-Bulb Temperatures)
1. Water vapor pressure is calculated using the Wagner-Pruss equation.
2. Wet-bulb water vapor pressure is calculated using the Sprung equation.
3. Calculating the discomfort index requires a humidity value, which is most easily derived from the dry-bulb and wet-bulb temperatures.

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