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客車后艙門開口對發(fā)動(dòng)機(jī)艙體散熱的影響
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國家自然科學(xué)基金資助項(xiàng)目（51106062）;國家自然科學(xué)基金聯(lián)合基金資助項(xiàng)目（U1134109）;高等學(xué)校博士學(xué)科點(diǎn)專項(xiàng)科研基金資助項(xiàng)目（20110061120048）


Effect of Back Door Opening of Bus Engine Cabin on Underhood Heat Dissipation
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    應(yīng)用數(shù)值模擬和試驗(yàn)相結(jié)合的方法，研究了客車發(fā)動(dòng)機(jī)后艙門開口封閉前后發(fā)動(dòng)機(jī)艙內(nèi)流場及溫度場的變化。結(jié)果表明：后艙門開口封閉后，發(fā)動(dòng)機(jī)艙內(nèi)流場沒有發(fā)生顯著變化，冷卻系統(tǒng)的冷卻能力沒有減弱。盡管原開口處、離合器附近略有溫升，但不會(huì)對客車性能造成不良影響。

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    The changes of flow field and temperature field of underhood before and after the closure of the back door opening of a bus engine cabin were studied by the numerical simulations and experiments. The results indicated that after the closure of the back door opening, there are no notable changes of the flow field inside the engine cabin. In addition, the closure does not lead to the decrease of the cooling capacity of the cooling system. However, the temperatures near the former opening of the back door and the clutch increased slightly. Nevertheless, the closure of the opening of the back door cannot cause adverse impact to the performance of the bus.

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王晶,張成春,張春艷,任露泉.客車后艙門開口對發(fā)動(dòng)機(jī)艙體散熱的影響[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2012,43(9):31-36. Wang Jing, Zhang Chengchun, Zhang Chunyan, Ren Luquan. Effect of Back Door Opening of Bus Engine Cabin on Underhood Heat Dissipation[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(9):31-36.

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  • 在線發(fā)布日期: 2012-09-04
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