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Title: Research on quantitative relationship between fire separations and ampacity in underground pipe gallery electric cabin
Authors: Wang, J
Liu, X
Li, S
Fang, G 
Chen, W 
Deng, S 
Keywords: Cable ampacity
Dimensionless number
Fire separation
Similarity criterion
Underground pipe gallery
Issue Date: 2019
Publisher: Elsevier
Source: Energy procedia, 2019, v. 158, p. 5557-5562 How to cite?
Journal: Energy procedia 
Abstract: In recent years, underground pipe gallery has become more and more important. Its Special working environment makes temperature monitoring and control increasingly important. paper applies heat-transfer differential equation to the cable to obtain the similarity criterion of cable temperature distribution. After calculating the electric cabin model with different fire separations, it is found that the temperature distribution of the same ampacity in different fire separations conforms to certain rules. The temperature distribution of different ampacity in the same fire separation is also regular: the ampacity rises. 5%, temperature rises by 7%. As a result, the fitting formulas of the current carrying capacity, the length of the fire separation and the location of the highest temperature were also proposed.
Description: 10th International Conference on Applied Energy, ICAE 2018, Hong Kong, 22-25 August 2018
EISSN: 1876-6102
DOI: 10.1016/j.egypro.2019.01.587
Rights: © 2019 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license ( Peer-review under responsibility of the scientific committee of ICAE2018 – The 10th International Conference on Applied Energy.
The following publication Wang, J., Liu, X., Shu, L. I., Fang, G., Chen, W., & Deng, S. (2019). Research on Quantitative Relationship between Fire Separations and Ampacity in Underground pipe gallery Electric cabin. Energy Procedia, 158, 5557-5562 is available at
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