基于隐式温度修正的二维热线风速仪校准方法

张军; 张俊龙; 雷红胜; 赵维明; DoolanCon.

doi:10.7638/kqdlxxb-2019.0063

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基于隐式温度修正的二维热线风速仪校准方法

研究论文 | 更新时间：2026-05-28

- 基于隐式温度修正的二维热线风速仪校准方法
- A cross-hotwire calibration method with implicit temperature correction
- 空气动力学学报 2020年38卷第1期页码：43-47, 65
- 作者机构：
  
  1. 中国空气动力研究与发展中心气动噪声控制重点实验室,四川,绵阳,621050
  2. 中国空气动力研究与发展中心结冰与防除冰重点实验室,四川,绵阳,621050
  3. 澳大利亚新南威尔士大学机械与制造工程学院,悉尼,2052
- 作者简介：
  
  张军(1983-), 男, 四川简阳人, 助理研究员, 主要从事气动噪声产生机理与控制方法研究.E-mail:jzhang@nudt.edu.cn
- 基金信息：
  
  国家自然科学基金项目（11504417）
- DOI：10.7638/kqdlxxb-2019.0063
  中图分类号： V211.74
- 纸质出版：2020
- 稿件说明：
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张军, 张俊龙, 雷红胜, 赵维明, DoolanCon.. 基于隐式温度修正的二维热线风速仪校准方法[J]. 空气动力学学报, 2020, 38(1): 43-47, 65.

ZHANG Jun, ZHANG Junlong, LEI Hongsheng, et al. A cross-hotwire calibration method with implicit temperature correction[J]. 2020, 38(1): 43-47, 65.
张军, 张俊龙, 雷红胜, 赵维明, DoolanCon.. 基于隐式温度修正的二维热线风速仪校准方法[J]. 空气动力学学报, 2020, 38(1): 43-47, 65. DOI： 10.7638/kqdlxxb-2019.0063.

ZHANG Jun, ZHANG Junlong, LEI Hongsheng, et al. A cross-hotwire calibration method with implicit temperature correction[J]. 2020, 38(1): 43-47, 65. DOI： 10.7638/kqdlxxb-2019.0063.

摘要

热线风速仪主要用于湍流流场测量。热线测量的主要误差来源是由环境温度变化导致的热线校准参数的变化。Brunn提出的传统温度效应修正方法在环境温度变化较大的情况下会带来明显的误差。本文经过理论推导，提出了一种新的基于隐式温度修正的二维热线风速仪校准方法，并开展了热线校准实验研究。结果表明：当环境温度变化在4℃范围内时，本文提出的方法与Brunn方法的测量精度相当；当环境温度变化超过4℃时，本文提出的方法的测量精度远高于Brunn方法。

Abstract

Hotwire anemometry is mainly used for turbulence measurement. The main source of error for hot-wire anemometry is the variation of ambient temperature. The most popular temperature correction method was given by Brunn. However

the measurement error is large once the temperature variation exceeds several degrees. In this study

a new cross-hotwire calibration method was proposed

and the temperature correction was implicitly considered. Experimental studies were performed to validate the proposed method. The results show that:1) when the temperature variation was less than 4℃

no obvious difference was observed between the present method and Brunn's method; 2) when the temperature variation was larger than 4℃

the accuracy of the present method was more accurate than Brunn's method.

关键词

Keywords

references

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