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  2. Stirling engine - Wikipedia

    en.wikipedia.org/wiki/Stirling_engine

    The larger the temperature difference between the hot and cold sections of a Stirling engine, the greater the engine's efficiency. The heat sink is typically the environment the engine operates in, at ambient temperature. In the case of medium- to high-power engines, a radiator is required to transfer the heat from the engine to the ambient air ...

  3. Applications of the Stirling engine - Wikipedia

    en.wikipedia.org/wiki/Applications_of_the...

    There is a potential for nuclear-powered Stirling engines in electric power generation plants. Replacing the steam turbines of nuclear power plants with Stirling engines might simplify the plant, yield greater efficiency, and reduce the radioactive byproducts. A number of breeder reactor designs use liquid sodium as a coolant. If the heat is to ...

  4. Solar-powered Stirling engine - Wikipedia

    en.wikipedia.org/wiki/Solar-powered_Stirling_engine

    NASA patented a type of solar-powered Stirling engine on August 3, 1976. It used solar energy to pump water from a river, lake, or stream. [1] The purpose of this apparatus is to “provide a low-cost, low-technology pump having particular utility in irrigation systems employed in underdeveloped arid regions of the earth…[using] the basic principles of the Stirling heat engine“.

  5. Beale number - Wikipedia

    en.wikipedia.org/wiki/Beale_Number

    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 ...

  6. Rhombic drive - Wikipedia

    en.wikipedia.org/wiki/Rhombic_drive

    It was originally developed around 1900 for the twin-cylinder Lanchester car engine where it allowed perfect balancing of the inertial forces on both pistons. A current example of its use is on beta type-Stirling engines; the drive's complexity and tight tolerances, causing a high cost of manufacture, is a hurdle for the widespread usage of this drive.

  7. Stirling cycle - Wikipedia

    en.wikipedia.org/wiki/Stirling_cycle

    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 .

  8. Stirling radioisotope generator - Wikipedia

    en.wikipedia.org/wiki/Stirling_radioisotope...

    A Stirling radioisotope generator (SRG) is a type of radioisotope generator based on a Stirling engine powered by a large radioisotope heater unit. The hot end of the Stirling converter reaches high temperature and heated helium drives the piston, with heat being rejected at the cold end of the engine. A generator or alternator converts the ...

  9. Thermomechanical generator - Wikipedia

    en.wikipedia.org/wiki/Thermomechanical_generator

    The engine has near isothermal cylinders because 1) the heater area covers the entire cylinder end, 2) it is a short stroke device, with wide shallow cylinders, yielding a high surface area to volume ratio, 3) the average thickness of the gas space is about 0.1 cm, and 4) the working fluid is Helium, a gas having good thermal properties for Stirling engines.

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