“pressure head”的英文意思_释义_用法

单词

pressure head

释义

pressure head
[f. pressure n. + head n.]
1. The pressure exerted by a fluid, expressed as the height of a column of fluid which would produce that pressure by virtue of its weight (cf. head n.¹ 17 a and b).
1907Woodward & Preston tr. Sorel's Carbureting & Combustion in Alcohol Engines viii. 160 Let..H = pressure head on the liquid.1974J. A. Fox Introd. Engin. Fluid Mech. viii. 283 A velocity change of 1 ft/s can generate a pressure head of approximately 125 ft if it occurs rapidly enough.
2. Aeronaut. A pitot-static tube.
1930Aircraft Engin. II. 95/2 The standard pressure head..consists of pressure and static tubes mounted parallel and near to each other.1964E. H. J. Pallett Aircraft Instrument Man. ii. 11 Pressure heads now in general use are..electrically heated.

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