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In India, more importance has been given to the assessment of gas, dust, and noise exposure during the operational process of coal mines. However, less priority is given to the thermal comfort of the miners. In India, the sub-clause 2 (d) of Coal Mines Regulations (CMR-2017) no. 153 stipulates that the wet-bulb temperature (WBT) in any underground coal mine working place should not exceed 33.5 °C, and where the WBT exceeds 30.5 °C, an arrangement is to be made to ventilate the working place with an air current moving at a speed of not less than 1 m/s. Though the Coal Mines Regulations (CMR-2017) no. 169(2) speaks about the measurement of temperature, humidity and such other environmental conditions once at least in every 30 days, it does not limit the relative humidity percentage in underground coal mines. Humidity plays a vital role in human thermal comfort.

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Necessity of Airconditioning in Mass Production Panels in India

  • 会议论文

  • 发表日期：

    2026年

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  • Kunal Das,
  • Amal Kumar Debnath

摘要

In India, more importance has been given to the assessment of gas, dust, and noise exposure during the operational process of coal mines. However, less priority is given to the thermal comfort of the miners. In India, the sub-clause 2 (d) of Coal Mines Regulations (CMR-2017) no. 153 stipulates that the wet-bulb temperature (WBT) in any underground coal mine working place should not exceed 33.5 °C, and where the WBT exceeds 30.5 °C, an arrangement is to be made to ventilate the working place with an air current moving at a speed of not less than 1 m/s. Though the Coal Mines Regulations (CMR-2017) no. 169(2) speaks about the measurement of temperature, humidity and such other environmental conditions once at least in every 30 days, it does not limit the relative humidity percentage in underground coal mines. Humidity plays a vital role in human thermal comfort.