Behavior of a pneumatic pressure regulator valve under leakage circumstances

Istók, Balázs [Istók, Balázs (Áramlástan), author] Department of Fluid Mechanics (BUTE / FME); Szente, Viktor [Szente, Viktor (Áramlástan), author] Department of Fluid Mechanics (BUTE / FME); Vad, János [Vad, János (Áramlástan), author] Department of Fluid Mechanics (BUTE / FME)

English Scientific Conference paper (Chapter in Book)
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    The paper reports concerted experimental and numerical investigation on the dynamic behavior of a pneumatic pressure regulator valve. It has been pointed out that in case of leakage, laminar flow may develop in the orifice cross-section and thus, the isentropic or sonic orifice models applied in pneumatic simulation must be treated with criticism. The tests showed that a spring-like behavior of the flexible seal is essential for realization of small clearances of valve opening compensating the leakage.
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    2021-10-16 05:17