Abstract
Leakage rate prediction and control are of the utmost importance in most industrial applications for gasketed flanged joints in high-pressure systems, for safety and environmental reasons. In addition, loss of media, and damage to the plant, resulting from leaky joints can be very costly for the industries. Gasket testing and the evaluation of their sealing performance are complex, time-consuming, and costly, and require sophisticated tools capable of predicting leakage based on limited data. In the present work, fuzzy logic is used as a tool to predict the leakage rate and gasket performance of gasketed flanged joints. Different fuzzy models are developed and validated with experimental results for given operating conditions, taking into consideration the gasket type and surface roughness of the mating faces. It is shown that limited experimental test data can be used to build fuzzy models that predict gasket leakage rate and sealing performance.
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