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用计算机对高粘假塑性流体聚苯乙烯－苯乙烯物系进口段传热进行了数值分析。结果表明，采用小管径可大幅度减小径向温差。
The numerical analysis of the heat transfer in the inlet section of high viscous pseudoplastic fluid polystyrene-styrene system was carried out by computer. The results show that the use of small diameter can significantly reduce the radial temperature difference.