One-Dimensional Aerodynamic Design of Micro Radial Turbine Based on Genetic Algorithm

2021 3rd International Conference on Artificial Intelligence and Advanced Manufacture (AIAM) Pub Date : 2021-10-01 DOI:10.1109/AIAM54119.2021.00094

Chao Li, Zhiping Guo

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Abstract

Micro radial inflow turbine, as an important component of micro gas turbine, directly determines its reliability. To improve design accuracy and efficiency of micro radial inflow turbine, a one-dimensional aerodynamic design method is investigated in this paper. The one-dimensional design software was developed based on the reference of the conventional radial inflow turbine aerodynamic design method, and the main aerodynamic design parameters were selected by combining genetic algorithm, the reliability of the design software was verified by comparing the calculation results with the commercial turbine one-dimensional design software. A three-dimensional model of the micro radial inflow turbine was developed and numerical simulation model were carried out using CFX software. The simulation results are compared with the parameters obtained from the one-dimensional aerodynamic design and the deviation between the two is less than 5%, indicating that the one-dimensional aerodynamic design method can provide reliable preliminary design and performance prediction for the micro radial inflow turbine.

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基于遗传算法的微型径向涡轮一维气动设计

微径向入流涡轮作为微燃气轮机的重要组成部分，直接决定了微燃气轮机的可靠性。为了提高微径向入流涡轮的设计精度和效率，本文研究了一种一维气动设计方法。在参考传统径向入流涡轮气动设计方法的基础上，开发了一维设计软件，并结合遗传算法选择了主要气动设计参数，通过与商用涡轮一维设计软件的计算结果对比，验证了设计软件的可靠性。建立了微径向入流涡轮的三维模型，并利用CFX软件进行了数值模拟。仿真结果与一维气动设计得到的参数进行了比较，两者的偏差小于5%，表明一维气动设计方法可以为微径向入流涡轮提供可靠的初步设计和性能预测。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2021 3rd International Conference on Artificial Intelligence and Advanced Manufacture (AIAM)

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