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Lonewolf
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Does anybody have any decent references for this, or a table with inversion temperatures for specific molecules?
The Joule-Thomson Effect, also known as the Joule-Kelvin Effect, is the phenomenon where a gas experiences a temperature change when it is allowed to expand or contract without any external work being done on it.
An inversion temperature is the temperature at which a gas experiences no temperature change during the Joule-Thomson process. This means that the expansion or contraction of the gas does not result in a cooling or heating effect.
The Joule-Thomson Effect is used in industries such as natural gas processing and refrigeration. In natural gas processing, the effect is used to separate different components of the gas by controlling the temperature and pressure. In refrigeration, the effect is used to cool gases by expanding them and then compressing them back to their original pressure.
The inversion temperature of a gas is affected by its initial temperature, pressure, and the type of gas. Generally, higher initial pressures and lower initial temperatures result in lower inversion temperatures. The type of gas also plays a role, as gases with stronger intermolecular forces and lower molecular masses tend to have lower inversion temperatures.
Some references for further reading on the Joule-Thomson Effect and inversion temperatures include scientific journals, textbooks on thermodynamics and gas dynamics, and online resources from reputable sources such as universities and government agencies. Some specific sources include "Thermodynamics: An Engineering Approach" by Cengel and Boles, and articles from the American Institute of Physics and the National Institute of Standards and Technology.