Flow field analysis and computation of the fixed damping orifice of the servo valve

Author

Xianghui, LU ; Dianrong, Gao

Author_Institution

Coll. of Mech. Eng., Yanshan Univ., Qinhuangdao, China

fYear

2011

fDate

17-20 Aug. 2011

Firstpage

10

Lastpage

15

Abstract

This paper constructs the three-dimensional mathematical model of the internal flow field of the fixed damping orifice by using computational fluid software. It simulates the internal flow of the fixed damping orifice by adopting the standard k-ε turbulence model, and analyzes the influence of the fixed damping orifice´s parameters on such fluid flow characteristics, as the velocity, the pressure, the flow rate, the power loss and so on. The result indicates that the diameter, the length and the inner angle of the fixed damping orifice has a great influence on the internal flow field, in the end concluding the best matching parameters of the fixed damping orifice through the analysis and computation.

Keywords

computational fluid dynamics; confined flow; damping; mathematical analysis; nozzles; orifices (mechanical); servomechanisms; turbulence; valves; computational fluid software; fixed damping orifice; flow pressure; flow velocity; fluid flow characteristics; internal flow field analysis; servo valves; standard k-ε turbulence model; Analytical models; Damping; Equations; Mathematical model; Orifices; Valves; fixed damping orifice; flow field; power loss; structure parameter;

fLanguage

English

Publisher

ieee

Conference_Titel

Fluid Power and Mechatronics (FPM), 2011 International Conference on

Conference_Location

Beijing

Print_ISBN

978-1-4244-8451-5

Type

conf

DOI

10.1109/FPM.2011.6045720

Filename

6045720