计量学报2024，Vol.45Issue(7)：989-996,8.DOI:10.3969/j.issn.1000-1158.2024.07.08
基于微流道冷却的水卡式量热计结构优化与试验分析
Structure Improvement and Test Analysis of Water Calorimeter Based on Micro-channel Cooling
文鹏 1陈连忠 1陈丁 1陈智铭1
作者信息
- 1. 中国航天空气动力技术研究院,北京 100074
- 折叠
摘要
Abstract
The aerodynamic heating environment encountered during hypersonic flight or reentry from space is severe in which the highest temperature can even reach 10000℃,resulting in a failure of commonly used calorimeterts showing great heat flux testing performance and thermal load viability.An new water calorimeter based on micro-channel cooling was developed in order to solve the problem of continuous and accurate measurement of high heat flux on the surface of high supersonic aircraft in ground test,which was prepared by 3D printing.Based on the numerical simulation,the size and configuration of the new water calorimeter was optimized.Comparing to traditional water calorimeter,the temperature rise of the core area is reduced by 50 percent under the same cold-wall heat flux,which illustrates the test and survival ability of micro-channel water calorimeter in extreme thermal environment.Finally,the arc heated jet test was carried out,which shows that the micro-channel water calorimeter could measure pressure and temperature and heat flow parameters synchronously with great local response characteristics,which could realize the integrated recognition of high temperatures flow field parameters.Furthermore,its maximum heat flow measurement range is over 18 MW/m2,and the absolute deviation and average deviation of the sensor is less than 3.44%and±1.72%respectively.关键词
热学计量/微流道冷却/水卡式量热计/3D打印/电弧加热射流/集成化辨识Key words
thermal metrology/micro-channel cooling/water calorimeter/3D printing/arc heated jet/integrated recognition分类
通用工业技术引用本文复制引用
文鹏,陈连忠,陈丁,陈智铭..基于微流道冷却的水卡式量热计结构优化与试验分析[J].计量学报,2024,45(7):989-996,8.
