Dynamic behavior of valves with pneumatic chamber for reciprocating compressors

Journal Article · Fri Oct 01 04:00:00 EDT 1993 · Journal of Vibration and Acoustics

DOI:https://doi.org/10.1115/1.2930359· OSTI ID:45731

Kato, M; Kurohashi, M; Aoshima, M ^[1]

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1. Kobe Steel, Ltd., Kobe (Japan)

This paper describes the dynamic behavior of valves with pneumatic chambers for reciprocating compressors. These are known as `damped valves` and are capable of reducing the impact on the valve seat and valve stopper. The characteristics of the dynamic behavior of the damped valves were clarified by calculating newly derived governing equations of valve dynamics. From the calculated results, it becomes apparent that the volume of the pneumatic chambers and the clearance between the pneumatic chamber and the valve have a large influence on the impact speed of the valves. Furthermore, the valves tend to close later for a higher compressor speed to oscillate at a larger amplitude for a lower density of gas such as hydrogen. These tendencies show that the selection of the specification of damped valves is very important. The stiffness of the valve spring and the lift of the valve also affect valve behavior as with valves without pneumatic chambers.

• Sponsoring Organization: USDOE
• OSTI ID: 45731
• Journal Information: Journal of Vibration and Acoustics, Journal Name: Journal of Vibration and Acoustics Journal Issue: 4 Vol. 115; ISSN JVACEK; ISSN 1048-9002
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
66 PHYSICS
ANALYTICAL SOLUTION
COMPRESSORS
DYNAMICS
MATHEMATICAL MODELS
MECHANICAL VIBRATIONS
PNEUMATIC CONTROLLERS
PNEUMATICS