Joule-Thomson process is extremely useful and economical for attaining low temperature. The process can be categorized as
isobaric process
isoenthalpic process
adiabatic process
isochoric process
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This question was previously asked in
UPSC CDS-2 – 2017
The Joule-Thomson process (also known as the Joule-Kelvin effect) is an isoenthalpic process, meaning that the enthalpy of the gas or liquid remains constant during the expansion through a valve or porous plug.
In the Joule-Thomson process, a temperature change occurs when a real gas or liquid expands or is compressed adiabatically while flowing through a valve or throttling device. The process is performed at constant enthalpy.