NDLI: Flow characteristics of throttle valve with sharp-edged seat

Content Provider	IEEE Xplore Digital Library
Author	Yousheng Yang Jinjun Wu Fuzhou Feng Yuquan Zhu
Copyright Year	2011
Description	Author affiliation: China Academy of Machinery, Science and Technology, Beijing, China (Jinjun Wu) \|\| College of Engineering, OUC, Qingdao, China (Yousheng Yang) \|\| School of Mechanical Science & Engineering, HUST, Wuhan, China (Yuquan Zhu) \|\| Dept. of mechanical engineering, AAFE, Beijing, China (Fuzhou Feng)
Abstract	A throttle valve, of which the flow characteristics is one of the important factors, is a typical hydraulic element for controlling pressure or flow in hydraulic actuation systems. This paper represents a new method to investigate the flow characteristics of water hydraulic poppet valve with sharp-edged seat. Based on previous studies of pressure field inside poppet valve, a simplified model is developed to describe the pressure distribution on the spool conical surface. The static flow force acting on the spool is investigated by utilizing the pressure distribution and the momentum theorem. The flow-pressure equation and the flow coefficient are modeled based on the equivalence of the two methods. Experimental studies are carried out to investigate the flow characteristics and comparison analyses are made between the models and the experiments. The results show that the flow characteristics of poppet valve is highly affected by the inlet/outlet conditions, openings and spool taper angles and can be expressed considerably by the models.
Starting Page	444
Ending Page	449
File Size	793497
Page Count	6
File Format	PDF
ISBN	9781424484515
e-ISBN	9781424484522
DOI	10.1109/FPM.2011.6045806
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throttle valve Flow induced force Water hydraulics Flow characteristics Flow coefficient
Content Type	Text
Resource Type	Article

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