Papers by Keyword: Pressure Equipment

Abstract: The TÜV Austria (formerly TÜV Vienna) has been testing different structures, mainly pressure equipment, since 1977 with Acoustic Emission. I will not enumerate all the different tests, which are more than 20.000 till today, but I will point out, how the test method has changed on some typical tests over the years. I will also remind you on the different possibilities, which have been offered by the rapid development of the electronic data acquisition and treatment, especially during the last 10 – 15 years.

Abstract: AE studies were performed considering pressure cylinders of design1 Type II – metallic liner with hoop composite wrapping, Type III – metallic load sharing liner with full composite wrapping and Type IV – all-composite cylinder. The AE technique has to be improved so far that for different design types of cylinders standard AE equipment can be used in an easy and practicable way under normal conditions of production and service. The paper presents our 8 years of experience in this application area using conventional AE measuring technique. Potentials, requirements and limits for detection of manufacturing faults and in-service damages of highpressure composite cylinders are discussed. 1Cylinder types classification in accordance with ECE R 110 / ISO 11439