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Investigation of Climatic Conditions in Underground Coal Mining

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Abstract

Mine workers in heavy and dangerous work are under several physical risk factors, for example temperature, humidity, noise, vibration, lighting and air velocity. Thermal comfort includes parameters such as air temperature, air humidity, air flow rate, radiant heat, metabolic rate and garment insulation. In this study, thermal comfort conditions were evaluated using thermal comfort indices defined as predicted mean vote (PMV) and predicted percentage dissatisfied (PPD) which were determined by measurements taken from an underground coal mine for approximately 100 days. Although the metabolic rate (light work) was kept at 2 met, it was found that predicted mean vote ranged between − 2.58 and 1.68. The predicted percentage dissatisfied index was found to reach 95%. According to the results, it can be seen that thermal comfort may have negative effects on occupational health and safety. The change in thermal comfort index values in the Soma Underground Coal Mine was investigated in detail and the reasons for the changes were determined. Furthermore, determining the optimal working environment for the mine workers was also an aim of this study.

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Authors and Affiliations

  1. Dept. of Mining Engineering, Konya Technical University, Konya, Turkey

    İbrahim Çınar & Hakan Özşen

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  1. İbrahim Çınar
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  2. Hakan Özşen
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Correspondence to İbrahim Çınar.

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Çınar, İ., Özşen, H. Investigation of Climatic Conditions in Underground Coal Mining. Mining, Metallurgy & Exploration 37, 753–760 (2020). https://doi.org/10.1007/s42461-019-00141-4

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  • DOI: https://doi.org/10.1007/s42461-019-00141-4

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