Joule-Thomson effect

[jool-tom-suhn, joul-]

Joule-Thomson effect

[jool-tom-suhn, joul-]
noun Thermodynamics.
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.


Origin:
1895–1900; named after J. P. Joule and Sir W. Thomson
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an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
the offspring of a zebra and a donkey.
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World English Dictionary
Joule-Thomson effect
 
n
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
 
[C20: named after James Prescott Joule and Sir William Thomson, 1st Baron Kelvin]

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