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  • Users: Emrelug84
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  1. Emrelug84

    Pump Failure

    Hi Guys, We have a boiler feed water pump operating. Recently, i have learned that it stopped working. Pump has been tripped. Shaft is not able to be turned by hand. I have checked cavitation theoretically, eveything is good. Moreover, when pump is not in operation water temperature drops to...
  2. Emrelug84

    Active Noise Control (ANC)

    Hi Folks, Have you ever experienced or seen Active Noise Cancellation or Control in HVAC ducts? I have read articles about the system but have never seen this system being used in HVAC ducts. It is effective to diminish sound with low frequencies up to 500Hz. By this way, this is very effective...

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