NDLI: Analysis and Optimization Design of Pressure Compensated Flow Control Valves

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Wu, Duqiang Burton, Richard Schoenau, Greg Bitner, Doug
Copyright Year	2003
Abstract	A pressure compensated valve (PC valve) is a type of flow control device that is a combination of a control orifice and a compensator (often called a hydrostat). The compensator orifice modulates its opening to maintain a constant pressure drop across the control orifice. In other words, the PC valve is so designed that the flow rate through the valve is governed only by the opening of the control orifice and is independent of the total pressure drop across the valve. Because of the high non-linearities associated with this type of valve, it is impossible, in practice, to design such a valve where the flow rate is completely unaffected by the pressure drop across the valve. In this paper, the effect of the non-linerities on the performance of the PC valve is investigated. First, a generic non-liner model of a PC valve is developed. Using this model, all possible operating conditions can be determined. Then a linearized model is developed and used to analyze the dynamic behavior of the PC valve. The model can then be used to optimize the design and operation of the valve for specific applications.
Sponsorship	Fluid Power Systems and Technology Division
Starting Page	19
Ending Page	27
Page Count	9
File Format	PDF
ISBN	0791837173
DOI	10.1115/IMECE2003-42707
Volume Number	Fluid Power Systems and Technology
Conference Proceedings	ASME 2003 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2003-11-15
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Flow control Hydrostat Load sensing Pressure compensated (pc) valve Optimize Design Valves Flow control valves Pressure Optimization
Content Type	Text
Resource Type	Article

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