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Joule-Thomson Effect

Joule-Thomson Effect

The Joule-Thomson effect, also known as the Joule-Kelvin effect, describes the temperature change of a fluid when it is forced through a valve or porous plug while keeping it in a thermally insulated environment. This experiment is called a throttling process. This is an important effect widely used in refrigeration and the liquefaction of gases.
This experiment forces high-pressure gas through a throttle valve or a porous plug to a lower-pressure region. The gas expands as it passes through to...

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Related Experiment Video

Updated: Jun 23, 2026

Characterization of Thermal Transport in One-dimensional Solid Materials

Characterization of Thermal Transport in One-dimensional Solid Materials

Published on: January 26, 2014

Response to "Comment on 'A spatially resolved optical method to measure thermal diffusivity'" [Rev. Sci. Instrum. 95,

F Sun¹, S Mishra¹, P H McGuinness¹

¹Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany.

The Review of Scientific Instruments

|April 16, 2024

Summary

No abstract available in PubMed .

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Last Updated: Jun 23, 2026

Characterization of Thermal Transport in One-dimensional Solid Materials

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