Study on three-dimensional effect correction of surface heat flux estimation based on neural network

PAN Xuehao; CHEN Weifang; PENG Yuzhuo; YANG Hua

doi:10.7638/kqdlxxb-2017.0069

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Study on three-dimensional effect correction of surface heat flux estimation based on neural network

更新时间：2026-05-28

- Study on three-dimensional effect correction of surface heat flux estimation based on neural network
- Vol. 37, Issue 4, Pages: 555-562(2019)
- 作者机构：
  
  1. 浙江大学航空航天学院,杭州,310027
  2. 航空工业第一飞机设计研究院,西安,710089
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2017.0069
  CLC： V211.3
- Published：2019
- 稿件说明：
移动端阅览
潘学浩, 陈伟芳, 彭玉酌, 杨华. 基于神经网络的表面热流辨识三维效应修正[J]. 空气动力学学报, 2019, 37(4): 555-562.

PAN Xuehao, CHEN Weifang, PENG Yuzhuo, et al. Study on three-dimensional effect correction of surface heat flux estimation based on neural network[J]. 2019, 37(4): 555-562.
潘学浩, 陈伟芳, 彭玉酌, 杨华. 基于神经网络的表面热流辨识三维效应修正[J]. 空气动力学学报, 2019, 37(4): 555-562. DOI： 10.7638/kqdlxxb-2017.0069.

PAN Xuehao, CHEN Weifang, PENG Yuzhuo, et al. Study on three-dimensional effect correction of surface heat flux estimation based on neural network[J]. 2019, 37(4): 555-562. DOI： 10.7638/kqdlxxb-2017.0069.

摘要

在已有顺序函数法对一维、二维表面热流辨识的研究基础上，考虑到三维辨识实时性的困难，提出神经网络和顺序函数法结合的方法。在顺序函数法一维辨识结果的基础上，利用人工神经网络对热传导三维效应进行修正，从而获得峰值热流实时准确的辨识结果。为了获得更优的神经网络模型，引入粒子群算法优化神经网络的初始权值和阈值。通过数值仿真的算例测试结果可以看出，本文提出的方法对于峰值热流的辨识结果准确度在4%以内，避免了三维辨识的时间复杂性，同时具有良好的抗噪性和稳定性。

Abstract

Based on the existing sequential function method for one-dimensional and two-dimensional surface heat flux identification

this paper presents a combination of neural network and sequential function method considering the real-time difficulty of three-dimensional identification. In this paper

a neural network is designed to correct the three-dimensional effects based on the results of one-dimensional identification

which can get accurate real-time results of peak heat flux. Moreover

PSO algorithm is introduced to optimize the initial weights and thresholds of the neural network in order to obtain a better model. It can be seen from the test results that the method presented for the peak heat flux is accurate with errors less than 4%. The method avoids time complexity of three-dimensional identification and has good noise immunity and stability at the same time.

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Keywords

references

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