this is neither ideal gas, no homogenous either.

this is neither ideal gas, no homogenous either.

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送交者: steven 于 2014-04-09, 13:47:16:

回答: termperature changes speed, freq remains unchanged 由 pgss 于 2014-04-09, 12:01:42:

Speed of sound is independent of frequency only in ideal gas. http://www.princeton.edu/~achaney/tmve/wiki100k/docs/Speed_of_sound.html

doesnt matter, the key is, freq remains unchanged (无内容) - pgss (0 bytes) 2014-04-10, 19:55:02 (745835)