Study on thermal comfort of miner in high-temperature condition

By investigating high-temperature problem of mine, some factors that affect thermal comfort of miner ware analyzed. According to heat balance equation of human body, miner heat balance equation was deduced. Based on high-temperature condition, miner thermal comfort equation was set up. According to concrete conditions of a working face, miner thermal comfort graph was drawn. By consulting thermal comfort graph, suitable wind speed could be ascertained, and which necessary wind quantity was calculated. PMV, PPD appraisal indexes of miner thermal comfort and forecast calculating formula ware used. According to PMV value, miner thermal comfort can, be appraised, which can also be used to appraise big or small of heat harm degree in high temperature mine.