Investigation of Failure Causes of Oil Pump Based on Operating Conditions

Pumps, as core pieces of equipment in ships, are installed the engine room to supply refined oil engine. Pump failure causes critical problems for ship operations. Therefore, failure-monitoring-based diagnosis technology is an essential requirement shipbuilding industry. For this purpose, a database containing information about states depending on main cause cases pump needs be developed. In present study, pumps based actual accident records were quantitatively analyzed. Then, modes bearing, coupling, sealing, and screw, which parts pump, determined. Test infrastructures developed obtain normal abnormal data considering diverse operating conditions. Based vibration from accelerometer test infrastructures, frequency was analyzed through Fast Fourier Transform (FFT). addition, more precise results obtained by performing Short-Time (STFT) FFT that indicated severe failure. Finally, over 200 entries accumulated well The constructed study expected help investigating prediction algorithm models management.