Stirling engine(redirected from Sterling engines)
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A heat engine driven by a permanently enclosed gas that expands and contracts as it is alternately heated and cooled by an external source of heat and a heat exchanger.
[After the Reverend Robert Stirling (1790-1878), Scottish clergyman and engineer who invented it.]
(Mechanical Engineering) an external-combustion engine that uses air or an inert gas as the working fluid operating on a highly efficient thermodynamic cycle (the Stirling cycle)
[named after Robert Stirling (1790–1878), Scottish minister who invented it]