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arXiv 1303.0107physics.flu-dynphysics.comp-ph
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流体分布器形状优化的格子玻尔兹曼方法

Lattice Boltzmann method for shape optimization of fluid distributor

Limin Wang, Yilin Fan, Lingai Luo

摘要:

本文以强化过程为目的,对平板式树状流体分布器进行了形状优化。在流体体积不变的约束下,以减小流体阻力为目标,提出了一种基于格子玻尔兹曼方法(LBM)的形状优化算法。设计了初始分配器和优化分配器的原型。通过数值模拟研究了这些分流器的流体分布和水力特性。结果表明,优化后的分布器在保持流体均匀分布的同时,压降比初始值降低了15.9%~ 25.1%,体现了流体分布器的过程强化作用,表明了该优化算法在工程优化设计中的应用价值。

英文摘要:

This paper presents the shape optimization of a flat-type arborescent fluid distributor for the purpose of process intensification. A shape optimization algorithm based on the lattice Boltzmann method (LBM) is proposed with the objective of decreasing the flow resistance of such distributor at the constraint of constant fluid volume. Prototypes of the initial distributor as well as the optimized one are designed. Fluid distribution and hydraulic characteristics of these distributors are investigated numerically. Results show that the pressure drop of the optimized distributor is between 15.9% and 25.1% lower than that of the initial reference while keeping a uniform flow distribution, demonstrating the process intensification in fluid distributor, and suggesting the interests of the proposed optimization algorithm in engineering optimal design.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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