Leak Detection Methods - Thomasnet

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Leak Detection Methods : A Comparative Study of Technologies and Techniques Short version Table of Contents 1 Introduction ........................................ ........................................ .............. 3 2 Leak testing Methods ........................................ ........................................ . 3 Water immersion bubble test method ........................................ ............ 4 Soap solution bubble test ........................................ ............................. 6 Pressure decay test ........................................ ..................................... 6 Vacuum decay test or Pressure rise test.

The main limitation of this method is sensitivity, which is the minimum detectable leak rate. Considering a spherical bubble of radius R, its internal volume V will be: V = 4/3 · π · R3 Let p the pressure inside the bubble and t the time required to form …

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