Abstract
This paper analyzes the flow uniformity based on the parallel pipe group model with an axial inlet. This paper is mainly based on the FLUENT fluid simulation module in ANSYS WORKBENCH, numerical simulation analysis of the established parallel pipe group model, and the law of uniformity of flow distribution under different mass flow conditions is obtained. The diameter of the main intake pipe of the parallel pipe group and the interval length of the branch intake pipes are changed. Under a large number of simulation conditions, the law of uniformity of flow distribution under different conditions is explored.
Highlights
Parallel tube groups with axial inlets are widely used in engineering, and are generally used in heat exchangers, collectors in solar-related systems [1], boiler tube groups, etc., where uniform flow distribution is required or uniform heat exchange is required
In order to explore the influence of gas flow rate on the uniformity of flow distribution, the method of mass flow control is used to control the change of gas flow rate
It can be seen from the curve in the figure that the interval length of the branch intake pipes does not have a great influence on the uniformity of flow distribution, and the interval lengths of different branch intake pipes show the same changing law
Summary
Parallel tube groups with axial inlets are widely used in engineering, and are generally used in heat exchangers, collectors in solar-related systems [1], boiler tube groups, etc., where uniform flow distribution is required or uniform heat exchange is required. These parallel pipe groups are generally composed of distribution headers, branch pipes and collection boxes [2]. Due to the inherent characteristics of the pipeline structure and the complexity of fluid flow, the flow distribution of each parallel branch pipe is not uniform [3], which will affect the vibration performance of the parallel pipe group and the entire system to a certain extent.
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