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Diaphragm Chamber is a critical component in fluid end of large scale diaphragm pump. Static strength failure and fatigue failure of diaphragm chamber are caused by high pressure of slurry flowing which is transported by diaphragm pump. It is necessary to analyze the inferences of different boundary shapes of diaphragm chamber on its static strength. In this paper, diaphragm chamber was simulated...
52 cracks of different length appeared around R corner of counterweight angles were checked in 30 service fighter aircrafts, which affected the completion of the flight training seriously. Based on the parts inspection, strength check and stress of broken components, combined with the results of failure fracture about physicochemical analysis, analyzed cracks on the aileron angle. This paper concluded...
Finite element method and analytic method are used to safety evaluation of a penstock laid on downstream surface of dam and its expansion pipe on the following issues: (i) Concrete cracking zone, maximum crack width and stress in liner and bars are calculated and analyzed with allowable value; (ii) Relative displacement at both sides of the joint between dam and power station, and stress of expansion...
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