| Issue |
E3S Web Conf.
Volume 245, 2021
2021 5th International Conference on Advances in Energy, Environment and Chemical Science (AEECS 2021)
|
|
|---|---|---|
| Article Number | 01056 | |
| Number of page(s) | 4 | |
| Section | Energy Development and Utilization and Energy-Saving Technology Application | |
| DOI | https://doi.org/10.1051/e3sconf/202124501056 | |
| Published online | 24 March 2021 | |
Experimental Investigation on Start-up and Isothermal Performance of Thermosyphon with Noncondensable Gas
1 Shanghai Institute of Special Equipment Inspection and Technical Research, Putuo District, Shanghai, 200062, China
2 National Heat Exchanger Product Quality Inspection Center, Jinshan District, Shanghai, 201518, China
* Corresponding author’s e-mail: renbin_580912@163.com
Steel-water gravity heat pipe has been widely used in industry because of its low cost and wide applicable temperature range. Steel-water incompatibility can produce hydrogen as a non-condensable gas, seriously weakening the heat transfer capacity. In this paper, the start-up and isothermal performance of thermosyphon with noncondensable gas were studied by experimental methods, and the effect of gas ratio on the start-up and isothermal performance was quantitatively analysed. The results show that the larger gas ratio will increase the start-up time and the working temperature. The wall temperature of evaporation section is higher than that of adiabatic and condensation section. The distributions of wall temperature in the evaporator and adiabatic sections are uniform. The non-isothermal phenomenon only occurs in the condenser section.
© The Authors, published by EDP Sciences, 2021
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