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兩級先導(dǎo)式電磁閥主閥芯動力學(xué)分
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Analysis of a Spindle of Pilot-operated Solenoid Valve
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    摘要:

    對動力系統(tǒng)用兩級先導(dǎo)式電磁閥進行了動力學(xué)分析,。建立了基于電磁閥閥芯振動與流體流動相耦合的系統(tǒng)動力學(xué)模型,。模型充分考慮了閥芯自激振動，閥內(nèi)各腔以及閥前后管路內(nèi)壓力變化,。分析了不同工作條件下閥芯的穩(wěn)定性,，研究了工作壓力,、工作流量對電磁閥動力學(xué)特性的影響。

    Abstract:

    The dynamics of a pilot-operated two-stage solenoid valve used in power system were studied numerically. A dynamic model coupling vibration of solenoid valve with fluid flow in the valve was derived. While solving the system equations, vibration of the valve spindle, various pressure-flow characteristics across the valve ports and orifices and pressure variation in chambers were taken into consideration. The model was validated by experimental results. The simulation results present stability of the spindle for different operating conditions and effect of working pressure and working flow rate on dynamics of the solenoid valve.

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葉奇昉,陳江平,陳芝久.兩級先導(dǎo)式電磁閥主閥芯動力學(xué)分[J].農(nóng)業(yè)機械學(xué)報,2009,40(4):215-220. Analysis of a Spindle of Pilot-operated Solenoid Valve[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(4):215-220.

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