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基于氣體溶解與油液可壓縮性的油氣懸架性能研究
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北京市科技支撐市委、市政府重點(diǎn)資助項(xiàng)目（Z101103055010004）


Characteristics Analysis of Hydro Pneumatic Suspension Based on Gas Dissolution and Oil Compressibility
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    摘要:

    基于氣體溶解效應(yīng)和油液可壓縮性建立了礦用自卸車使用的混合式油氣懸架的非線性數(shù)學(xué)模型。通過求解非線性數(shù)學(xué)模型方程組，分析了油氣懸架中氣體溶解和油液可壓縮性對(duì)系統(tǒng)內(nèi)部壓力變化的影響，并與試驗(yàn)結(jié)果進(jìn)行了對(duì)比分析。結(jié)果表明建立的模型能較準(zhǔn)確地描述油氣懸架的輸出力特性，而且氣體溶解效應(yīng)和油液可壓縮性在油氣懸架設(shè)計(jì)研究過程中不可忽略。同時(shí)，壓縮行程中氣體溶解和油液可壓縮性對(duì)油氣懸架特性的影響大于伸張行程時(shí)的影響。

    Abstract:

    A nonlinear mathematical model of the gas oil mixed hydro-pneumatic suspension used on mining dump trucks was presented. The gas dissolution effect, as well as the oil compressibility was taken into account in the model. The effects of gas dissolution and oil compressibility on the pressure changes within the hydro-pneumatic suspension were analyzed by solving the nonlinear mathematical equations. And the simulation results were compared with the experimental results. The results showed that the proposed model could describe the output force and pressure change of hydro-pneumatic suspension more accurately, and the effects of gas dissolution and oil compressibility couldn’t be ignored in hydro-pneumatic suspension research and design. Meanwhile, the effects were greater in compression stroke than expansion stroke. 

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黃夏旭,楊玨,申焱華,馮雅麗.基于氣體溶解與油液可壓縮性的油氣懸架性能研究[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2013,44(6):14-18,13. Huang Xiaxu, Yang Jue, Shen Yanhua, Feng Yali. Characteristics Analysis of Hydro Pneumatic Suspension Based on Gas Dissolution and Oil Compressibility[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(6):14-18,13.

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  • 在線發(fā)布日期: 2013-05-28
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