实验研究结果表明:分子筛催化剂颗粒粒径的大小对壁面传热系数和总传热系数影响大,而对中央区的传热系数无影响。
Experimental results reveal that this diameter exerts strong influence to the overall heat transfer coefficients and that on the wall, but irrelevant to that in the central zone.
壁面粗糙度对流场中不同位置处颗粒运动影响的强弱不同,其中逆流区处较弱,下游处较强。
The effect of roughness on particle motion in the recirculation zone is weaker than that in the fully developed flow region.
在此基础上,提出了基于近壁区相干结构流动参数的新型大涡模拟壁面模型。
Based on the coherent structures, a new type of wall model for large-eddy simulation (LES) was established.
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