| 单词 | joule-thomson effect |
| 释义 | Joule-Thomson effect[ jool-tom-suhn, joul- ] / ˈdʒulˈtɒm sən, ˈdʒaʊl- / 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. Compare free expansion. Origin of Joule-Thomson effect1895–1900; named after J. P. Joule and Sir W. Thomson Words nearby Joule-Thomson effectjouk, Joukahainen, joule, Joule effect, Joule's law, Joule-Thomson effect, jounce, jour., Jourdan, journ., journal Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Joule-Thomson effectJoule-Thomson effect nouna 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 negativeAlso called: Joule-Kelvin effect Word Origin for Joule-Thomson effectC20: named after James Prescott Joule and Sir William Thomson, 1st Baron Kelvin 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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