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The Joule-Thomson (JT) cooler was invented by Carl von Linde and William Hampson so it is also called the Linde-Hampson cooler. It is a simple type of cooler which is widely applied as cryocooler or as the (final stage) of coolants. It can easily be miniaturized, but it is also used on a very large scale in the liquefaction of natural gas.
It is often claimed that the Stirling engine has too low a power/weight ratio, too high a cost, and too long a starting time for automotive applications. They also have complex and expensive heat exchangers. A Stirling cooler must reject twice as much heat as an Otto engine or diesel engine radiator. The heater must be made of stainless steel ...
A Stirling engine is a heat engine that is operated by ... the cooler part of the engine can be maintained by an external heat sink, such as running water or air flow ...
In most coolers gas is compressed and expanded periodically. Well-known coolers such as the Stirling engine coolers and the popular Gifford-McMahon coolers have a displacer that ensures that the cooling (due to expansion) takes place in a different region of the machine than the heating (due to compression). Due to its clever design, the PTR ...
The engineering program has existed at Texas Tech University since 1925. Additionally, the Whitacre College of Engineering administers graduate engineering degree programs at the university's campus in Amarillo, Texas. Many of the college's degree programs are accredited by ABET. The Whitacre College of Engineering is the first and, presently ...
Texas Tech's biggest leap came in the online bachelor's programs, where the university vaulted to No. 50, up 79 spots from 2023 and 110 spots from 2022, and in online master's education programs ...
An alternative to Stirling coolers is to use gases bottled at high pressure, nitrogen being a common choice. The pressurised gas is expanded via a micro-sized orifice and passed over a miniature heat exchanger resulting in regenerative cooling via the Joule–Thomson effect. For such systems the supply of pressurized gas is a logistical concern ...
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