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Dear Team, Greetings From Singapore This case is on a Marine vessel Tanker in anchorage. Vessel 170,000DWT, 2012 Built at Korea Generator Make: HIMSEN Korea 4 stroke 720 rpm 5 cylinder turbocharged unit. Load on engine is about 550 KW and rating is about 900KW Attached the FFT and time wave forms on Engine free end taken at attached Lube Oil pump H, V, A. Appreciate your feed back and comments on this case. thanks and regards Chary TSRRead More...
Last Reply By chary tatta · First Unread Post

Another Resonance Question

Have another resonance question..... the is the AXIAL plane of a thrust end bearing housing. Please see the attached document that shows a vibration trend with 3 data collection points - please pay attention to the 2x peak as speed increases through the test point. You can see how it is moving closer to resonance. Also please notice the vane pass peak at 198.25 Hz as the pump increases in speed. There is a resonant like response at the highest speed (black line). If you look at that spectrum...Read More...