...Guillermo Ramirez; Paul H. Ziehl; Timothy J. Fowler A research program evaluating the effect of elevated temperature in the acoustic emission testing of fiberglass vessels was completed recently. The program aimed at evaluating the current ASME provisions that require acoustic emission testing...

... acoustic emission testing chemical reactors explosions failure analysis finite element analysis pressure vessels stress corrosion cracking urea reactor failure analysis multilayer vessel acoustic emission phased array A urea reactor exploded at a fertilizer plant in China on March...

...Yizhuo Chen; Paul Ziehl; Guillermo Ramirez; Timothy J. Fowler Current American Society of Mechanical Engineers (ASME) provisions require that acoustic emission testing for class II vessels be carried out at operating temperature in the event that the operating temperature exceeds 120 ° F ( 49 ° C...

... , “ Recommended Practice for Acoustic Emission Testing of Fiberglass Reinforced Plastic Resin (RP) Tanks/Vessels ,” published by the Committee f Acoustic Emission from Reinforced Plastics (CARP). Ziehl , P. , and Fowler , T. , 2003 , “ Fiber Reinforced Polymer Vessel Design With a Damage Approach...

... Expectation-Maximization) algorithm, which converges faster and generates comparable solutions in terms of resulting partition. The practical results on real data are very satisfactory from the experts point of view. 09 11 2004 29 09 2005 acoustic emission testing production equipment...

... . 02 03 2005 11 04 2005 valves nuclear power stations nondestructive testing acoustic emission testing neural nets failure (mechanical) wear Acoustic Emission (AE) Neural Network (NN) Condition Monitoring Check Valve Degradation Failure Mode The check valve...

... Acoustic emission Fatigue Damage Tanks Pressure vessels Pipes pressure vessels acoustic emission testing fatigue testing 09 October 2002 26 June 2003 05 05 2004 Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL...