An inactive gas piping system with minor leaks may require repressurizing if the system pressure cannot be allowed to fall to atmospheric pressure, for example, to maintain cleanliness. In this study, a simple hand calculation is developed to predict static (leakage only) pressure decay, and thus the repressurizing frequency, of such a gas piping system. This method can also be used to estimate the maximum leakage flowrate in the event that automatic repressurizing is required. This prediction method was tested and validated.

References

References
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Baumeister
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,
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E. A.
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Marks Mechanical Engineering Handbook
, 8th ed., McGraw Hill Co., New York.
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