| 词汇 | critical-mach |
| 释义 | BETA critical machcollocation in Englishmeanings of criticalThese words are often used together. Click on the links below to explore the meanings. critical adjective uk /ˈkrɪt.ɪ.kəl/ us /ˈkrɪt̬.ɪ.kəl/ saying that someone or something is bad ... See more at critical Examples of critical machcritical mach The criticalmach is the speed at which some of the air passing over the aircraft's wing becomes supersonic. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are two effects in particular, wave drag and criticalmach. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At speeds below criticalmach, one of the primary forms of drag is skin friction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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 the criticalmach. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Since the shocks form when the local air velocity reaches supersonic speeds, there is a certain criticalmach speed (or drag divergence mach number) where this effect becomes noticeable. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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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