The swell factor tends to decrease if the cross section of die crown is large, the die round R is small, the runner is large, the dumping temperature is high and the extrusion speed is low;

口型的冠部截面大、口型圆角R小、流胶口大，排胶温度高，挤出速度慢，则膨胀因数小；

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A steady heat transfer experiment was carried out for predicting the critical heat flux (CHF) of convective boiling for a round R-113 liquid jet impingement on the stagnation zone of a hot surface.

本文对高温平板滞止区内三种过冷液体的圆形喷流冲击沸腾的临界热流密度进行了系统的稳态实验研究。

youdao

A steady heat transfer experiment was carried out for predicting the critical heat flux (CHF) of convective boiling for a round R-113 liquid jet impingement on the stagnation zone of a hot surface.

对高温平板滞止区内R - 113的喷流冲击沸腾的临界热流密度(CHF)进行了系统的稳态实验研究。

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