Study of the Characteristics of Hydraulic Relief Valves PDF Download
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Author: Walter Lee Threadgill
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Walter Lee Threadgill
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Edward Mauel
Publisher:
ISBN:
Category :
Languages : en
Pages : 42
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Author: Ferris M. Pfeiffer
Publisher:
ISBN:
Category : Relief valves
Languages : en
Pages : 178
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Book Description
In this work, the dynamics of a poppet-type relief valve are studied for the purposes of generating an accurate linear model and stability criterion that may be used in design and simulation of hydraulic systems. This study begins by developing a flow rate model for the fluid flow through the valve. Next, a nonlinear model of the valve system, including the steady and transient flow forces that act on the poppet, is developed. From here, a linearized third order model is produced from which a stability criterion for the system is deduced using the Routh-Hurwitz method. The nonlinear and linearized models are compared using simulation studies. The simulation studies show the accuracy of the linear model. Design sensitivity analysis is performed, and recommendations are made that lead to improved stability characteristics of future valve designs. The linear model is shown to be valid for sufficiently stable systems. The stability criterion is shown to be valid for the system under consideration.
Author:
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 646
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Author: Xiaoting Rui
Publisher: Springer Nature
ISBN: 9819980488
Category :
Languages : en
Pages : 4383
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Author: American Society of Mechanical Engineers. Winter Annual Meeting
Publisher:
ISBN:
Category : Computer simulation
Languages : en
Pages : 0
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Static and dynamic characteristics of a two stage relief valve have been studied theoretically and experimentally. The governing equations of the valve have been derived and sensitivity analysis was performed by digital computer simulation on the valve response characteristics based on the established dynamic equations of the motions of the valve. From this study, significant parameters on the valve response were identified, which can be modified to improve the dynamic characteristics of the valve. Subsequently, experiments were performed with a specially fabricated Vickers type pilot relief valve. The results showed fair agreement with the simulation results, thus proving the validity of the model.
Author: Futoshi Yoshida
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 50
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Author:
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 652
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Author:
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 712
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