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During the operation of the reactor, the degree of back mixing directly reflects the concentration distribution, temperature distribution, reaction process of the fluid in the reactor, and so on, thereby affecting the practical value of the reactor. Therefore, this article uses computer simulation to analyze the influence of inlet flow rate on the degree of back mixing. It can provide data support for the preparation of organic semiconductor materials under different reaction conditions. The research results show that when the inlet flow velocity reaches 0.3 m/s, the stirring effect of the fluid weakens, the jetting effect of the inlet pipe is dominant, and the model parameters are the largest.

Study on velocity field analysis and back-mixing of fluid in reactor based by simulation