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A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z   entire Web this site Stirling engine A heat engine of the reciprocating (piston) type where the working gas and a heat source are independent. The working gas is compressed in one region of the engine and transferred to another region where it is expanded. The expanded gas is then returned to the first region for recompression. The working gas thus moves back and forth in a closed cycle, known as a Stirling cycle. See also thermodynamic cycle. Related category    • HEATING    • ENGINES AND MOTORS Also on this site: Encyclopedia of Science Encyclopedia of History BACK TO TOP