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Sustainable cities and society v.29, 2017년, pp.41 - 57   SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Prediction and comparison of monthly indoor heat stress (WBGT and PHS) for RMG production spaces in Dhaka, Bangladesh

Chowdhury, Sajal (Laboratory of Environmental Ergonomics, Research Group of Planning and Performances for Built Environment, Division of Human Environmental Systems, Faculty of Engineering, Hokkaido University, Kita-ku, Sapporo, Hokkaido 060-8628, Japan ) ; Hamada, Yasuhiro (Laboratory of Environmental Ergonomics, Research Group of Planning and Performances for Built Environment, Division of Human Environmental Systems, Faculty of Engineering, Hokkaido University, Kita-ku, Sapporo, Hokkaido 060-8628, Japan ) ; Ahmed, Khandaker Shabbir (Department of Architecture, Bangladesh University of Engineering & Technology, Dhaka 1000, Bangladesh ) ;
  • 초록  

    Abstract In recent years, due to lack of considerations of indoor thermal condition as well as increasing global temperature has led to rapid increase of heatstroke patients at workplaces. In such context predicting overheated environment is becoming an imperative for the industry. From field monitoring, it was observed that production spaces in Readymade Garments (RMG) were adversely impacted by excessively hot indoor environments, and yet thousands of workers toiling away their days doing production work-in these spaces. Such excessive indoor temperatures, much higher than the worker’s normal body temperature, have an adverse impact on physiological conditions potentially leading health risks. In this study, whole year heat stress prediction for RMG workers has been analyzed by simulations using Energy Plus ⓒ and Open Studio ⓒ . Field monitoring of local RMG factories was conducted with data loggers for in-situ assessment. Wet Bulb Globe Temperature (WBGT) and Predicted Heat Strain (PHS) model criteria for the factory workers were examined. It was found that WBGT and PHS reached higher than comfortable levels between the months of May-August. The level of PHS was observed to reach values up to 53–60% higher than the average meteorological values, and the rest of the conditions remained moderate. Highlights Monthly comparison of WBGT and PHS criteria for RMG factory workers has been analyzed. Whole year heat stress prediction criteria of RMG production space in Dhaka have been examined. Months of May-July indicate high level of PHS criteria for the workers. PHS criteria appear at high risk level (up to 38°C) in summer. WBGT, t sk and t cr have significant deviation during peak working condition. WBGT and PHS criteria for different exterior walls, orientations and zones have significant deviation (0.98–3.9).


  • 주제어

    Heat stress .   Indoor comfort .   Production space .   RMG factory .   Tropical climate.  

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