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<p>With the continuous rise in global energy demands and the depletion of shallow resources, deep mining has become an inevitable trend for the mining industry. However, the high geothermal gradient encountered in deep mines creates significant heat hazards, which threaten operational safety and production efficiency, and hinder the exploitation of deep resources. While extensive research has been conducted in this field, previous studies have predominantly focused on localized technological breakthroughs, lacking a comprehensive overview of the field’s evolution. Based on the Web of Science (WOS) Core Collection, this study employs bibliometric methods using VOSviewer and Bibliometrix to conduct a multidimensional analysis of research on mine thermal environments from 1994 to 2024, thereby constructing a knowledge map of the field. The findings reveal that the development of this field can be divided into three distinct phases: an exploratory phase (1994–2009) with fewer than 5 annual publications on average, a slow-growth phase (2010–2017) with a 2.1% increase compared to the exploratory phase, and a research boom phase (2018–2024), which accounts for 66% of total publications. Regarding geographical distribution, China (39.9%), South Africa (7.7%), and Canada (6.6%) are the three major research hubs. Leading institutions in terms of publication output and academic impact include the China University of Mining and Technology, Shandong University of Science and Technology, and Northwest University (South Africa). The core journals are <i>Case Studies in Thermal Engineering</i>, <i>Applied Thermal Engineering,</i> and <i>Energies</i>. The research hotspots show a clear evolutionary trajectory: early focus on the heat dissipation mechanisms of surrounding rock (1994–2009), a shift toward ventilation optimization design (2010–2017), and the establishment of a thermo–hydro–aero multi-physical field coupling control system (2018–2024). The citation peak in 2019 marks a critical technological breakthrough, while future research directions include intelligent regulation, geothermal synergy, and low-carbon governance pathways. The knowledge map constructed in this study systematically delineates the technological evolution of mine thermal environment research and provides a practical framework for heat hazard management in deep mining, thereby supporting both theoretical development and practical applications.</p>

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Bibliometric review of mine thermal environment research based on knowledge graph analysis: evolution, trends, and future directions

  • 期刊论文

  • 发表日期：

    2025年12月23日

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  • Hairong Wang,
  • Yueping Qin,
  • Fei Tang,
  • Jinchuan Sun

摘要

With the continuous rise in global energy demands and the depletion of shallow resources, deep mining has become an inevitable trend for the mining industry. However, the high geothermal gradient encountered in deep mines creates significant heat hazards, which threaten operational safety and production efficiency, and hinder the exploitation of deep resources. While extensive research has been conducted in this field, previous studies have predominantly focused on localized technological breakthroughs, lacking a comprehensive overview of the field’s evolution. Based on the Web of Science (WOS) Core Collection, this study employs bibliometric methods using VOSviewer and Bibliometrix to conduct a multidimensional analysis of research on mine thermal environments from 1994 to 2024, thereby constructing a knowledge map of the field. The findings reveal that the development of this field can be divided into three distinct phases: an exploratory phase (1994–2009) with fewer than 5 annual publications on average, a slow-growth phase (2010–2017) with a 2.1% increase compared to the exploratory phase, and a research boom phase (2018–2024), which accounts for 66% of total publications. Regarding geographical distribution, China (39.9%), South Africa (7.7%), and Canada (6.6%) are the three major research hubs. Leading institutions in terms of publication output and academic impact include the China University of Mining and Technology, Shandong University of Science and Technology, and Northwest University (South Africa). The core journals are Case Studies in Thermal Engineering, Applied Thermal Engineering, and Energies. The research hotspots show a clear evolutionary trajectory: early focus on the heat dissipation mechanisms of surrounding rock (1994–2009), a shift toward ventilation optimization design (2010–2017), and the establishment of a thermo–hydro–aero multi-physical field coupling control system (2018–2024). The citation peak in 2019 marks a critical technological breakthrough, while future research directions include intelligent regulation, geothermal synergy, and low-carbon governance pathways. The knowledge map constructed in this study systematically delineates the technological evolution of mine thermal environment research and provides a practical framework for heat hazard management in deep mining, thereby supporting both theoretical development and practical applications.