纳米流体对柴油机冷却系统传热性能的影响

Effect of Nano-fluid on Heat Transfer Performance of Cooling Systems of Diesel Engines

以CA6DE2-23型6缸柴油机为研究对象,采用流固耦合计算方法,运用计算流体力学软件STARCCM+中的Realizable K-Epsilon Two-Layer湍流模型考察了不同种类的纳米颗粒对冷却液传热性能的影响。结果表明:纳米颗粒的加入,可强化冷却液的传热效果。

based on the CA6DE2-23 6-cylinder diesel engine as the object of study,this paper studied the effects of different kinds of nanoparticles on heat transfer performance of coolant with the use of Realizable K-Epsilon Two-Layer turbulence model in the fluid mechanics software STAR-CCM ＋with fluid-structure interaction method.The results show that the addition of nanoparticles can enhance the heat transfer effect of the coolant.