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What is acoustic impedance flow?

2009-04-09View Original

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"What does “acoustic resistance flow rate” mean? ? ? :L
Reply #22009-04-10
You mean “blocked flow”, right? It refers to throttling elements such as control valves or throttle plates, where the flow rate of the fluid passing through them is related to the pressure difference across them. The greater the pressure difference, the higher the flow rate should be; however, once the pressure difference reaches a certain level, further reduction in that pressure difference does not result in an increase in flow rate. This phenomenon is known as \"choked flow\".
Reply #32009-04-10
I’ve learned it; I need to learn it too
Reply #42009-04-10
Thank you very much for your reply; it’s not a flow blockage. To prevent the compressor’s third stage from reaching the choked flow rate, a ‘three-back-to-one’ line is installed that leads from the third stage to the first stage’s inlet. ” I wonder if the acoustic resistance flow rate is related to the surge flow rate?

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