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A Study on the Conditions of Fog Generation and the Change Rule of Fog Zone Length in Air Intake Roadway

Author

Listed:
  • Yan Wu

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Hongqing Zhu

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Baozhen Zhang

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Lintao Hu

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Shuwei Wang

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China)

  • Jiuli Liu

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China)

Abstract

Fog in mine air intake roadways is a non-negligible disaster that seriously reduces the visibility of the roadway, affects vehicle transportation and the safe passage of personnel, and jeopardizes the safe production of the mine. This paper applies both field testing and numerical simulation to explore fog formation conditions and the effects of inlet air temperature and humidity on the fog zone length within the Wangjialing Mine’s air intake roadway in Shanxi, China. First, based on the consideration of the relationship between the moisture gain of surrounding rock and the temperature with humidity of the air flow, the fog generation and distribution law model of the air intake roadway was established. Based on this model, the critical inlet air temperature and the critical inlet air relative humidity for fogging in the Wangjialing Mine air intake roadway were determined. In addition, we found that the fogging point inside the roadway shifted forward continuously with the increase in inlet air temperature and inlet air relative humidity, and the length of the fog zone expands parabolically in response to these rising conditions.

Suggested Citation

  • Yan Wu & Hongqing Zhu & Baozhen Zhang & Lintao Hu & Shuwei Wang & Jiuli Liu, 2024. "A Study on the Conditions of Fog Generation and the Change Rule of Fog Zone Length in Air Intake Roadway," Sustainability, MDPI, vol. 16(10), pages 1-17, May.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:10:p:4192-:d:1396084
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    References listed on IDEAS

    as
    1. Yao, Wanxiang & Zheng, Zhimiao & Zhao, Jun & Wang, Xiao & Wang, Yan & Li, Xianli & Fu, Jidong, 2020. "The factor analysis of fog and haze under the coupling of multiple factors -- taking four Chinese cities as an example," Energy Policy, Elsevier, vol. 137(C).
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