# Joule–Thomson coefficient

> in a Joule–Thomson process, the change of temperature per change of pressure at constant enthalpy

**Wikidata**: [Q93946998](https://www.wikidata.org/wiki/Q93946998)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Joule–Thomson_coefficient)  
**Source**: https://4ort.xyz/entity/joule-thomson-coefficient


## References

1. ISO 80000-5:2019 Quantities and units — Part 5: Thermodynamics