financially supported by the National Natural Science Foundation of China (No.50875016)
As the offshore life and production base,the offshore platform plays an important role in offshore oil exploitation.The acoustic emission(AE)technology can be applied to damage detection and early warning of the offsh...
supported by National Natural Science Foundation of China (Grant No. 50875016, 51075023);Fundamental Research Funds for the Central Universities of China (Grant No. JD0903, JD0904)
In the case of fault diagnosis for roller bearings, the conventional diagnosis approaches by using the time interval of energy impacts in time-frequency distribution or the pass-frequencies are based on the assumption...
supported by National Natural Science Foundation of China (Grant No. 50575017, Grant No. 50875016)
The failure of a drilling pump is always due to the break of the drilling pump valve, which is one of the most important but also the weakest parts of the drilling pump. Over the decades, the degradation of drilling p...