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Seeking help with a question from the professional foundation exam review

2015-07-26View Original

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During isentropic flow in a nozzle of an ideal gas, how does the local speed of sound at each cross-section change as one moves in the direction of flow? The answer is that it decreases gradually. Could you please explain how this can be determined? Thank you
Reply #22015-07-26
Isentropic? ? ? I have only seen isobaric expansion.
Reply #32015-07-26
In the isentropic flow within a nozzle of an ideal gas, the temperature decreases. According to the formula for the speed of sound, c = square root of temperature, the speed of sound therefore decreases as well

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Translated at 2026-07-21 01:59:50

Original: https://bbs.hcbbs.com/thread-1423043-1-1.html

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