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박원구(Wongu Park),김만회(Man-Hoe Kim) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Thermal comfort in a low floor bus has been evaluated by computational fluid dynamics (CFD). Human thermal comfort in vehicles depends mainly in air temperature, air velocity, mean radiant temperature, humidify, and direct solar nux. as well as the level of activity and thermal properties of clothing and seat. The paper presents the velocity and temperature distribution, Predicted Mean Vote(PMV) and Predicted Percentage of Dissatisfied(PPD) indices for the driver and passengers.
휠체어 사용자의 Universal Access를 위한 시설 접근성 연구
진상은 ( Sangeun Jin ),유영미 ( Youngmi Yoo ),이준희 ( Junhee Lee ),박원구 ( Wongu Park ) 한국안전학회(구 한국산업안전학회) 2018 한국안전학회지 Vol.33 No.4
Objective: The current study aimed to investigate the accessibility and usability of the disabled person while using the everyday facility. Background: The national laws regulated accommodation of persons with disabilities, but our knowledge on the practical usefulness of the laws and acceptance by the users is still far from complete. Method: Compliance with laws was checked throughout the actual measurement of 87 engineering designs in the facilities of a national university, and the practical usability of the facilities was investigated by in-depth interviews with eight disabled persons. New design solutions were developed by the anthropometric methodology for better accommodation. The target-specific anthropometry database such as sitting knee height with wheelchair was employed. Results: First, the statistic showed that 28.7% of facility designs comply with the law, 29.9% of facility designs doesn't comply with the law, and 41.4% of facility designs doesn't have related law or regulation. Second, the law of table height(71cm in current) can accommodate only 49.3% of wheelchaired population. The following test for 95% accommodation revealed that the table with 80cm high is required. Third, the current law in the door width(90cm) can only accommodate 82.6% of disabled persons, so the new design solution was calculated and suggested that 100cm in the door width is necessary for 99% accommodation of disabled persons. Conclusion: Even with the laws and regulations for the disabilities it was clear that the accessibility and usability of the disabled persons in everyday facilities was still limited. An investigation for the new solutions about a wide range of facilities is necessary for better practical accessibility and usability of the handicapped persons. Application: The results of current study can be a basement of developing a new guideline or regulation of the facility design for the disabled persons.