Is there a relationship between the compressor outlet temperature and the molecular weight of the gas?
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I don’t see any term for molecular weight in the formula used to calculate the outlet temperature. Is the temperature of a gas after compression related to its molecular weight?
There is a relationship: the higher the molecular weight, the higher the temperature, assuming other operating conditions remain constant
This post was last edited by liangmaoqian on 2016-11-3 at 16:58. The molecular weight reflects the gas components; different components affect the adiabatic index or expansion index, and these two parameters influence the outlet temperature
Of course there is a relationship. When it comes to compressed hydrogen and compressed nitrogen, nitrogen has a higher molecular weight; therefore, to achieve the same pressure and temperature, a much higher outlet temperature is required compared to compressed hydrogen. The greater the molecular weight, the harder it is to compress the gas
Of course it’s related. With all other conditions unchanged, the higher the molecular weight of the compressed gas, the higher the exhaust temperature.
The effect of gas molecular weight is reflected in the K value (in isentropic values)