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《Electric Power Science and Engineering》 2002-04
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Application of Cavitation Jet to Tubes and Pipes Cleaning

WANG Ping hui (University of Science and Technology Beijing,Beijing 100083 ,China)  
Based on the analysis of the break mechanism of the cavitations jet, a method of cleaning tubes and pipes based on the principles of cavitations jet is introduced. The pipe is cleaned by filling the pipe with liquid, applying pressure pulsations to the liquid to the extent that a standing wave is formed in the pipe and the incompressible liquid therein. Cavitations is initiated within the standing wave in the pipe so that the bond with the fouling material is broken. The pipe is fully cleaned on the formation of induced shock waves occurring upon collapse of microscopic bubbles resulting from cavitations. Finally, the advantage and application prospect of the new method are shown by comparing it with annular pigging method.
【CateGory Index】: TP69
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