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柴油機(jī)缸蓋水腔流動與沸騰傳熱的流固耦合數(shù)值模
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-solid Coupling Numerical Simulation on Flow and Boiling Heat Transfer of Cooling Water-jacket in Cylinder Head of Diesel Engine
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    摘要:

    采用CFD軟件STAR-CD和FEA軟件ABAQUS對226B型柴油機(jī)缸蓋冷卻水腔內(nèi)的流動和傳熱過程進(jìn)行了流固耦合數(shù)值模擬計(jì)算,。為反映沸騰傳熱的影響,，基于FORTRAN語言開發(fā)了單相流沸騰傳熱模型，將其嵌入到STAR-CD中,。與試驗(yàn)結(jié)果的比較表明,，加入沸騰傳熱模型可以大幅度提高模擬計(jì)算的精度,，最大誤差由18%下降至7%,，為柴油機(jī)冷卻水腔的優(yōu)化設(shè)計(jì)提供了理論依據(jù)。

    Abstract:

    Fluid-solid coupling numerical simulation on the flow and heat transfer of cooling water-jacket in cylinder head for 226B diesel engine was performed using the commercial CFD software STARCD and the FEA software ABAQUS. In order to consider the influence of boiling heat transfer, a boiling heat transfer model was developed based on FORTRAN and built into STAR-CD. Comparison between simulation and experiment showed that the two results are in good agreement with each other. Comparing with the results of simulation without the boiling heat transfer model, maximum deviation drops from 18% to 7%. So the simulation provides a more dependable theoretical evidence for diesel water-jacket optimization.

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傅松,胡玉平,李新才,陳志忠,李國祥,潘繼紅.柴油機(jī)缸蓋水腔流動與沸騰傳熱的流固耦合數(shù)值模[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(4):27-30.-solid Coupling Numerical Simulation on Flow and Boiling Heat Transfer of Cooling Water-jacket in Cylinder Head of Diesel Engine[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(4):27-30.

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