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The Stirling cycle is a thermodynamic cycle that describes the general class of Stirling devices. This includes the original Stirling engine that was invented, developed and patented in 1816 by Robert Stirling with help from his brother, an engineer .
Robert Stirling patented the first practical example of a closed-cycle hot air engine in 1816, and it was suggested by Fleeming Jenkin as early as 1884 that all such engines should therefore generically be called Stirling engines. This naming proposal found little favour, and the various types on the market continued to be known by the name of ...
In the late 1930s, the Philips Corporation of the Netherlands successfully utilized the Stirling cycle in cryogenic applications. [29] During the Space Shuttle program , NASA successfully lofted a Stirling cycle cooler in a form "similar in size and shape to the small domestic units often used in college dormitories" for use in the Life Science ...
A Stirling cycle is like an Otto cycle, except that the adiabats are replaced by isotherms. It is also the same as an Ericsson cycle with the isobaric processes substituted for constant volume processes. TOP and BOTTOM of the loop: a pair of quasi-parallel isothermal processes; LEFT and RIGHT sides of the loop: a pair of parallel isochoric ...
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In 1842, James Stirling, the brother of Robert, build the famous Dundee Stirling Engine. This one at least lasted 2–3 years but then was discontinued due to improper technical contrivances. Hot air engines is a story of trials and errors, and it took another 20 years before hot air engines could be used on an industrial scale.
They use the Stirling thermodynamic cycle to convert heat into work. An example is the alpha type Stirling engine, whereby gas flows, via a recuperator , between a hot cylinder and a cold cylinder, which are attached to reciprocating pistons 90° out of phase.