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考慮冷卻流場的缸套失圓耦合分析
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    摘要:

    以ANSYS為平臺(tái),，在整體冷卻水系統(tǒng)數(shù)值計(jì)算結(jié)果的基礎(chǔ)上，應(yīng)用流固共軛耦合傳熱的數(shù)值方法,，計(jì)算了冷卻水流動(dòng)對(duì)缸體與冷卻水耦合模型的溫度和氣缸體熱變形分布的影響,，給出了整體冷卻水系統(tǒng)的流場、壓力場,。對(duì)冷卻水流動(dòng)影響下的耦合模型的溫度場,、缸體的熱變形及缸套的失圓問題進(jìn)行了研究分析。

    Abstract:

    Based on conjugate heat transfer method, the influence of coolant flow on temperature distribution of cylinder block-cooling water coupling model and thermal deformation of the cylinder liners were calculated on the results of CFD analysis for the whole cooling water system by using commercial software ANSYS. The flow and pressure filed of the whole cooling system, the temperature distribution of the coupling model and thermal deformation of the cylinder liners were demonstrated, which showed that the temperature and thermal deformation had remarkable changes along axial and circumferential direction, and these also provided theoretical evidence for failure simulation and optimization design of diesel engine.

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王虎,桂長林,趙小勇.考慮冷卻流場的缸套失圓耦合分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(4):24-29.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(4):24-29.

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