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单词 critical mach
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Examples ofcritical mach

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Thecriticalmachis the speed at which some of the air passing over the aircraft's wing becomes supersonic.
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There are two effects in particular, wave drag andcriticalmach.
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At speeds belowcriticalmach, one of the primary forms of drag is skin friction.
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This appears to be a new form of drag -- referred to as wave drag -- which peaks at about three times the drag at speeds even slightly below thecriticalmach.
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Since the shocks form when the local air velocity reaches supersonic speeds, there is a certaincriticalmachspeed (or drag divergence mach number) where this effect becomes noticeable.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

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更新时间:2024/12/28 3:13:11