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Joule-Thomson effect

[jool-tom-suhn, joul-]

noun

Thermodynamics.

  1. the change of temperature that a gas exhibits during a throttling process, shown by passing the gas through a small aperture or porous plug into a region of low pressure.

Joule-Thomson effect

noun

  1. Also called: Joule-Kelvin effect.a change in temperature of a thermally insulated gas when it is forced through a small hole or a porous material. For each gas there is a temperature of inversion above which the change is positive and below which it is negative

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of Joule-Thomson effect1

1895–1900; named after J. P. Joule and Sir W. Thomson
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Word History and Origins

Origin of Joule-Thomson effect1

C20: named after James Prescott Joule and Sir William Thomson, 1st Baron Kelvin

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