| 单词 | hot-air engine |
| 释义 | > as lemmashot-air engine hot-air engine n. now chiefly historical an external-combustion engine using the expansion and contraction of repeatedly heated and cooled air to drive a piston in a chamber; cf. Stirling engine at Stirling n.1 ΚΠ 1834 A. Gordon Treat. Elemental Locomotion (ed. 2) ii. 32 Hot Air Engines.—Mr. Samuel Crossley, some years ago, exhibited an engine which produced a motive power by heat imparted to and abstracted from air. 1858 Sci. Amer. 20 Jan. 168/4 He [sc. George Cayley] invented a hot air engine, long before the Ericsson was dreamed of. 1911 C. J. Lynde Home Waterworks xiv. 193 The hot-air engine is used almost exclusively for pumping water. The source of energy is the heat of combustion of some form of fuel. 2003 F. T. Kryza Power of Light iv. 112 Though the hot-air engine was slow, its efficiency was much greater than any steam engine of its time. < as lemmas |
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