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Measurement Of Air Leakage Through Rotary Valves, David B. Hastie, Ian Frew, David M. Cook, Peter W. Wypych
Measurement Of Air Leakage Through Rotary Valves, David B. Hastie, Ian Frew, David M. Cook, Peter W. Wypych
Faculty of Engineering - Papers (Archive)
This paper explains the procedure used to determine the amount of air leakage expelled from two different sized drop-through rotary valves. When designing a pneumatic conveying system, rotary valve air leakage may be overlooked, believed to be only a minor factor. This is somewhat true when conveying in dilute-phase where low pressures are generated, however in dense-phase pneumatic conveying where higher pressures can be produced, rotary valve air leakage can be a high proportion of the supplied air. Knowing the air leakage present for any given situation, the total supplied air mass flowrate can be adjusted to represent the actual …