Research On Condition Monitoring And Fault Diagnosis Technique For Asynchronous Motor

With the rapid development ks modem industry,mechanical seals are much more concerned by people and have been one of important subjects today.as the environment of mechanical seal has changesd greatly,it then makes thw optioning conditions of mechanical seals much more severe and divere and diversified.to high duty mechanical seals used in prtactical fied .the mechanical seal with deep spiral grooves are fairly effective methods.but in the published literature and relative articles,there is mot rather a reasonable theoretical analysis and mi corresponding experiment has been made to prove the theory and make it more perfect.The mechanical seals withdeep grooves maturally belong to the field of elastothermohydrodynamic mechanical seals.its mechanical seal,this article include theoretical numerical computation which use the relative construct parameters kf experiment,and the calculation is carefully compared with the datum from experimeng .fortunately the results confirm thar the theoretical analysis presented in the published literature is feasible.This article fully repirts the reseach work ,which I've done in the course of two years hard work as a graduate with the instruction of Professor Li Bao_yan.the main parts rely in the experiment and theoretical calculations.We can get the friction torques of mechanical sealing face and get serials of curves ,from which important conclusions are fromed.eventually,it does discuss the the future of mechanical face seals with the deep spiral grooves.