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  1. hafele

    Lowest RPM and V6 engine or any engine can go

    Does anyone know the lowest RPM that a combustion engine can go?
  2. hafele

    Mass flow relative to shell noise

    Thank you GregLocock and Surya Prakask for your input. After some more testing, the one case with low amplitude shows some improvement in shell noise level, but not enough. I guest the .06kg/s delta wasn't good enough. Thanks again
  3. hafele

    Mass flow relative to shell noise

    The application is for exhaust muffler. Thanks for interest.
  4. hafele

    Mass flow relative to shell noise

    I have two sets of mass flow rate data vs. crank angle. one mass flow rate has higher amplitude than the second set of mass flow rate data, but the average of the mass flow rate for both are the same. Would it be safe to say that the mass flow rate with the higher amplitude has more effect on...
  5. hafele

    Mass flow relative to shell noise

    I have a dilma, Can mass flow be a determine factor for shell noise? I have two cases and they both have the same average mass flow rate, but their amplitude is different (mass flow vs. crank angle). One has a higher amplitude than the other. The mass flow rate data was picked from the rpm...
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