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In mechanical engineering, the Beale number is a parameter that characterizes the performance of Stirling engines. [1] It is often used to estimate the power output of a Stirling engine design. For engines operating with a high temperature differential, typical values for the Beale number are in the range 0.11−0.15; where a larger number ...
A Stirling engine is a heat engine that is operated by the cyclic expansion and contraction of air or other ... W.T. Beale (1971). "Stirling Cycle Type Thermal Device
A Stirling engine eliminates the need for water anywhere in the cycle. This would have advantages for nuclear installations in dry regions. United States government labs have developed a modern Stirling engine design known as the Stirling radioisotope generator for use in space exploration. It is designed to generate electricity for deep space ...
f is the engine cycle frequency ; T H is the absolute temperature of the expansion space or heater ; T K is the absolute temperature of the compression space or cooler (kelvins) B n is the Beale number for an engine operating between temperatures T H and T K; When the Beale number is known, but the West number is not known, it is possible to ...
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A Fluidyne engine is an alpha or gamma type Stirling engine with one or more liquid pistons. It contains a working gas (often air), and either two liquid pistons or one liquid piston and a displacer. [1] The engine was invented in 1969. [2] The engine was patented in 1973 by the United Kingdom Atomic Energy Authority. [3] [2]
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