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单词 mach disk
释义

Mach disk

Mach disk

[′mäk ‚disk] (fluid mechanics) A structure visible on a schlieren photograph of a supersonic air jet exhausting from a nozzle at low pressure into higher-pressure air at rest; it is formed by the focusing and strengthening of oblique shock waves emanating from the edges of the nozzle as they approach the jet axis.
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更新时间:2026/8/17 17:20:48