The fluid is natural gas on expander side and residual gas on compressor side. We notice that the sub vibration appeared in 22000 rpm. The nominal speed is 35000 rpm. Inclusive addition to this we ask the unit operator to increase the gas temperature on expander side and the sub vanished but the...
thread384-197619
Does anybody could help me with this problem? We have this same problem here in Brazil and we didn´t find the main cause. Does anybody found the solution or the cause of this sub vibration on turbo expander? Our sub is 0,22 X rpm and anplitude 0,2 mils. It is causing premature...