In china, atmospheric storage tanks are not included in the management of special equipment, and therefore they are not required to be inspected compulsorily. There is larger difference between China and developed countries on atmospheric storage tank inspection technique than the other techniques on the inspection of pressure vessels. It is widely believed that the strength worsening and perfo...

The inspection of complex-shaped components can suffer from the fact that the area of interest can not be properly insonified due to restricted access. In such cases, mirrors can be applied to turn the ultrasonic beam onto the component’s surface. In this paper, the optimization of such a mirror is illustrated for a specific application in aero engine inspection. Its shape has been designed to ...