The approximate analytical solution of the velocity distribution in the side gap of the counter-rotating twin screw extruder is obtained by means of the generalized Newtonianviscosity.
采用广义牛顿粘度公式,得到了振动力场作用下的异向双螺杆挤出机螺棱侧间隙内的速度分布近似解析解。
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In some common textbooks or reference books concerning on polymer rheology, the concept of true viscosity of non-Newtonian fluid is explained unclear, and parts of the calculation results are wrong.