Publication detail
Determination of thermal contact resistance in thermo-vacuum chamber experiments
LAZAR, V. MAŠEK, J. POPELA, R. JEBÁČEK, I.
English title
Determination of thermal contact resistance in thermo-vacuum chamber experiments
Type
conference paper
Language
en
Original abstract
Thermal contact resistance (TCR) caused by surface imperfections results in a reduced heat transfer rate on the interface of two solids in contact. The exact prediction of these resistances may enhance the accuracy of the thermal conductance measurements in a thermo-vacuum chamber. Such an enhancement is crucial for the development and performance testing of the Miniaturized Heat Switch – a passive thermal management unit for satellites or robotic missions. This study presents an experimental investigation of low contact-pressure TCR within thermo-vacuum chamber measurement. We will use a custom-built experimental setup to measure the steady-state temperature difference across the calibration specimen and chamber interface while varying the applied heat load. The results quantify the effect of low contact pressure TCR within the experiments and provide insights into the design of heat transfer interfaces. This knowledge may be also applied in heat switch technology that relies on efficient heat transfer.
English abstract
Thermal contact resistance (TCR) caused by surface imperfections results in a reduced heat transfer rate on the interface of two solids in contact. The exact prediction of these resistances may enhance the accuracy of the thermal conductance measurements in a thermo-vacuum chamber. Such an enhancement is crucial for the development and performance testing of the Miniaturized Heat Switch – a passive thermal management unit for satellites or robotic missions. This study presents an experimental investigation of low contact-pressure TCR within thermo-vacuum chamber measurement. We will use a custom-built experimental setup to measure the steady-state temperature difference across the calibration specimen and chamber interface while varying the applied heat load. The results quantify the effect of low contact pressure TCR within the experiments and provide insights into the design of heat transfer interfaces. This knowledge may be also applied in heat switch technology that relies on efficient heat transfer.
Keywords in English
thermo-vacuum chamber, thermal contact resistance, experimental, steady-state
Released
06.10.2023
Publisher
International Astronautical Federation
Location
Baku, Azerbaijan
ISSN
0074-1795
Book
Proceedings of the International Astronautical Congress, IAC
Volume
2023
Pages count
5
BIBTEX
@inproceedings{BUT187948,
author="Václav {Lazar} and Jakub {Mašek} and Robert {Popela} and Ivo {Jebáček},
title="Determination of thermal contact resistance in thermo-vacuum chamber experiments",
booktitle="Proceedings of the International Astronautical Congress, IAC",
year="2023",
volume="2023",
month="October",
publisher="International Astronautical Federation",
address="Baku, Azerbaijan",
issn="0074-1795"
}