Poppet Valve Stability

[+] Author and Article Information
James E. Funk

Bettis Atomic Power Laboratory, Pittsburgh, Pa.

J. Basic Eng 86(2), 207-212 (Jun 01, 1964) (6 pages) doi:10.1115/1.3653036 History: Received August 09, 1962; Online November 03, 2011


The analysis presented in this paper shows that poppet valve instability can be caused by interaction of the fluid delivery line dynamics with those of the spring-mass of the valve. The critical frequency in the system is the first harmonic of the delivery line higher than the natural frequency of the valve spring-mass. A stability criterion is derived which relates the design parameters of the valve to those of the system in which it must operate and methods of stabilizing the operation are suggested.

Copyright © 1964 by ASME
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