Definition, Meaning & Synonyms
the-joule-kelvin-effect
Noun
/ði ˈdʒaʊl ˈkɛlvɪn ɪˈfɛkt/
Definition
The Joule-Kelvin effect is a thermodynamic phenomenon that describes the change in temperature of a gas when it is allowed to expand freely while being insulated from heat exchange with the environment.
Examples
- The Joule-Kelvin effect is often used in refrigeration technology.
- During the Joule-Kelvin test, the gas cools down as it expands.
- The efficiency of the Joule-Kelvin effect can vary depending on the gas used.
Meaning
This effect can lead to cooling or heating of the gas, depending on its initial temperature and the nature of the gas itself.
Synonyms
- Joule-Thomson effect
- Thomson effect
