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Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2009, Vol. 10 Issue (3): 377-383    DOI: 10.1631/jzus.A0820373
Civil and Mechanical Engineering     
Simulation and experimental study of electro-pneumatic valve used in air-powered engine
Ping-lu CHEN, Xiao-li YU, Lin LIU
College of Mechanical and Energy Engineering, Zhejiang University, Hangzhou 310027, China; College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China
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Abstract  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.

Key wordsPneumatic      Variable valve actuation (VVA)      Air-powered engine (APE)      Simulation     
Received: 15 May 2008     
CLC:  TH132  
  TK123  
Cite this article:

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

URL:

http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A0820373     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2009/V10/I3/377

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