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Received: 2008-05-15

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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.3 P.377-383


Simulation and experimental study of electro-pneumatic valve used in air-powered engine

Author(s):  Ping-lu CHEN, Xiao-li YU, Lin LIU

Affiliation(s):  College of Mechanical and Energy Engineering, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   cpl757@163.com, yuxl@zju.edu.cn, meliulin@tom.com

Key Words:  Pneumatic, Variable valve actuation (VVA), Air-powered engine (APE), Simulation

Ping-lu CHEN, Xiao-li YU, Lin LIU. Simulation and experimental study of electro-pneumatic valve used in air-powered engine[J]. Journal of Zhejiang University Science A, 2009, 10(3): 377-383.

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author="Ping-lu CHEN, Xiao-li YU, Lin LIU",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

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%T Simulation and experimental study of electro-pneumatic valve used in air-powered engine
%A Ping-lu CHEN
%A Xiao-li YU
%A Lin LIU
%J Journal of Zhejiang University SCIENCE A
%V 10
%N 3
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%@ 1673-565X
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0820373

T1 - Simulation and experimental study of electro-pneumatic valve used in air-powered engine
A1 - Ping-lu CHEN
A1 - Xiao-li YU
A1 - Lin LIU
J0 - Journal of Zhejiang University Science A
VL - 10
IS - 3
SP - 377
EP - 383
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A0820373

To evaluate the performance of newly designed electro-pneumatic valves (EPVs) for the air-powered engine (APE) and study laws of parameters affecting them, a simulation model was established based on the thermodynamics and mechanics theories. Experiments were set up to determine the instantaneous effective orifice area of solenoid valve by the constant volume discharge method. The simulation model was also validated by comparing the measured displacement curve with the simulated displacement curve of the valve in the pressure of 0.16 and 0.49 MPa. simulation and experimental results showed that maximum working frequency of the designed EPV could reach 30 Hz corresponding to 2000 r/min of engine rotating speed. Based on simulation results, impacts of temperature and pressure of control air on delay time, full opening/closing time and seating velocity of EPV were analyzed. The simulation model could also act as EPV simulation prototype in designing the air exchange control system of APE.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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