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Zhang Hongxin
College of Mechanical and
Electronic Engineering,
Qingdao University,
Qingdao 266071, China
Zhang Tiezhu
Wang Yushun
Zhao Hong
Huo Wei
Electronic Technology Institute of Vehicle,
Qingdao University,
Qingdao 266071, China
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DYNAMICS MODEL
AND SIMULATION OF FLAT VALVE SYSTEM OF INTERNAL COMBUSTION WATER
PUMP*
Abstract:
The dynamics differential equations are constructed, and the initial conditions are also given. Simulation shows the following conclusions: The water pressure in cylinder has great instantaneous pulsation and phase step when outlet valve or inlet valve opens, but is more gently in other time; The volume efficiency is influenced by the output pressure slightly, and decreases as the working rotational speed increases; When the inherent frequency of the valves is integer multiple of the working frequency, the volume efficiency of system will decrease evidently.
Key words:
Check valve Simulation Dynamics model Internal combustion water pump(ICWP) |