This thesis concentrates on simulation of Non-Newtonian isothermal flow in kneading block in closely intermeshing co-rotating twin screw extruders.

本文主要就全啮合同向双螺杆挤出机捏合块流道中熔体全充满区的流动进行了全三维非牛顿等温模拟。

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Finally, the models of non-self-excited pulsed nozzle and self-excited pulsed nozzle of rotating jet mixer are established for flow field numerical simulation.

最后，建立非自激脉冲喷嘴与自激脉冲喷嘴实体模型，对旋转射流搅拌器喷嘴内部流场进行数值模拟。

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Axial circle flow was introduced. The isothermal flow analysis of non-Newtonian fluid in axial circle region of a non-intermeshing counter-rotating twin-screw extruder was concerned.

引入了轴向循环流动的概念，且利用ANSYS有限元分析软件对非啮合双螺杆挤出机轴向循环流道中的非牛顿流体等温流动进行了三维模拟分析。

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