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Applied Sciences
Volume 16
Issue 11
10.3390/app16115700
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Research on Cooling and Hazardous Gas Dilution Performance of Underground Mining Culvert Ventilation System

by
Yexian Liu
1,
Zhenlei Zhu
1,
Hongtao Wang
1,
Zhaobiao Luan
1,
Delong Meng
1,
Qiang Li
1,
Zhenneng Lu
2 and
Cantao Ye
2,*
1
Shandong Energy Group Xibei Mining Co., Ltd., Xi’an 710021, China
2
Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2026, 16(11), 5700; https://doi.org/10.3390/app16115700 (registering DOI)
Submission received: 21 April 2026 / Revised: 26 May 2026 / Accepted: 4 June 2026 / Published: 5 June 2026
Versions Notes

Abstract

The ventilation system of a mine determines the comfort and safety of the underground working environment. Although many studies have been devoted to reducing the impact of underground heat damage, there are still few comprehensive studies or optimizations aimed at simultaneously considering heat damage prevention and control, exhaust of mechanical equipment, and methane leakage. To address this knowledge gap, a mine ventilation model was built and validated to analyze the impact of different numbers of top fans on the distribution characteristics of temperature and gas mass fraction. Subsequently, the impact of different blowing duct inlet temperatures and velocities on the capacity to cool and dilute hazardous gases was investigated. Finally, a comprehensive coefficient that removes the effect of dimension was proposed for evaluating the cooling and dilution performance of different top fan cases. The results show that a top fan is the most advantageous for cooling the mine, but has a poor ability to dilute hazardous gases. Three top fans have the best performance for diluting hazardous gases, which leads to some degree of heat diffusion, but obtains the maximum total comprehensive coefficient of 0.71246.
Keywords: mine ventilation system; mine comfort and safety; thermal management; multi-species transport mine ventilation system; mine comfort and safety; thermal management; multi-species transport

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MDPI and ACS Style

Liu, Y.; Zhu, Z.; Wang, H.; Luan, Z.; Meng, D.; Li, Q.; Lu, Z.; Ye, C. Research on Cooling and Hazardous Gas Dilution Performance of Underground Mining Culvert Ventilation System. Appl. Sci. 2026, 16, 5700. https://doi.org/10.3390/app16115700

AMA Style

Liu Y, Zhu Z, Wang H, Luan Z, Meng D, Li Q, Lu Z, Ye C. Research on Cooling and Hazardous Gas Dilution Performance of Underground Mining Culvert Ventilation System. Applied Sciences. 2026; 16(11):5700. https://doi.org/10.3390/app16115700

Chicago/Turabian Style

Liu, Yexian, Zhenlei Zhu, Hongtao Wang, Zhaobiao Luan, Delong Meng, Qiang Li, Zhenneng Lu, and Cantao Ye. 2026. "Research on Cooling and Hazardous Gas Dilution Performance of Underground Mining Culvert Ventilation System" Applied Sciences 16, no. 11: 5700. https://doi.org/10.3390/app16115700

APA Style

Liu, Y., Zhu, Z., Wang, H., Luan, Z., Meng, D., Li, Q., Lu, Z., & Ye, C. (2026). Research on Cooling and Hazardous Gas Dilution Performance of Underground Mining Culvert Ventilation System. Applied Sciences, 16(11), 5700. https://doi.org/10.3390/app16115700

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