4.7 Article

Topology optimization of porous solid structures for heat transfer and flow channels in reactors with fluid-solid reaction coupling

期刊

出版社

ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ijthermalsci.2022.107771

关键词

Porous structures; Topology optimization; Heat transfer enhancement; Flow channel design

资金

  1. National Natural Science Foundation of China [51876118, 51876146]
  2. Open Fund of Science and Technology on Thermal Energy and Power Laboratory in China [TPL2018B03]

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This paper develops optimization models for heat transfer units with fin structures and flow channels with porous media, using topology optimization methods to enhance thermal system efficiency.
In this paper, the optimization models for the heat transfer and flow channels with porous structures are developed. To enhance the heat transfer capacity of the thermal system, the topological optimization of the fin structure in the radial direction of the heat transfer unit is proposed and the influence of the initial conditions on the optimization of fins is studied. At the same time, the transient process of the heat transfer unit with topology optimization is investigated to verify the feasibility of the optimization model. The results show that the fins designed by topology optimization have coral-likestructure, and the width of the fin decreases as it moves outward from the center. For the optimization of flow channels, the optimum distribution of porous material with theoptimal reaction rate in laminar flow reactor is analyzed. The optimal structures for flow channels in porous media is obatined theoretically and simulatednumerically for obtaining the related transport character-istics. In addition, for the topologically optimized reactor, as the initial reaction parameters change, the fluid channels in the porous domain show different structures withtopology optimization.

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