| 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. |
| 随便看 |
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