Study of Heat Flux Sensor Test Containing Metal Phase Change Heat Sink

DOI

10.2991/icmsa-15.2015.94How to use a DOI?

Keywords

Phase change materials, Heat flux sensor, Integrated preparation, Heat flux calibration, Heat sink efficiency characterization.

Abstract

Heat flux is a key parameter to characterize energy transport process in the fields of energy, metallurgy and aerospace. Traditional heat flux sensor can bear load and guarantee normal work of instrument through heat capacity or air cooling and water cooling system of own materials. However, application environment in the aerospace field has many limitations on instrument structure shape and cooling mode. The efficiency of Phase Change Materials (PCM) is higher than traditional quality heat sink by one order of magnitude, which is much simpler compared with air-cooled, water-cooled and other additional system structure. In the paper, Sn-Bi alloy with low melting point was regarded as phase change material, copper foam metal was used as heat transfer reinforcement skeleton, an integrated structure of sensor/PCM heat sink was prepared through vacuum infiltration. Halogen lamp equipment was used as radiation heat source. Responses of two sensors of oxygen free copper traditional structure and composite structure containing PCM were compared under the same heat flux load. Experiment proved that weight of composite structure containing PCM was reduced by 16.8g under nearly identical thermal load. Constructed function Kj was adopted for characterizing heat sink efficiency of sensor. Heat sink efficiency mutation of sensor containing PCM exceeded control sensor in the interval of alloy phase change temperature range.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Xiao-Heng Ding
AU  - Song-He Meng
AU  - Fa-Jun Yi
AU  - Yan-Wei Zhu
PY  - 2014/06
DA  - 2014/06
TI  - Study of Heat Flux Sensor Test Containing Metal Phase Change Heat Sink
BT  - Proceedings of the 2015 International Conference on Material Science and Applications
PB  - Atlantis Press
SP  - 516
EP  - 522
SN  - 2352-541X
UR  - https://doi.org/10.2991/icmsa-15.2015.94
DO  - 10.2991/icmsa-15.2015.94
ID  - Ding2014/06
ER  -