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박민용,홍성완,Park, Min-Yong,Hong, Seong-Wan 대한인간공학회 1999 大韓人間工學會誌 Vol.18 No.2
Recently, noise from personal cassette players (PCP) poses growing concerns together with occupational noise-induced hearing loss. Eighteen male and female volunteer subjects participated to determine preferred noise levels for PCP usage before, during, and after 2-hour subway riding according to sources (types) of PCP listening (language/news, soft music, and hard music). Audiometric tests were conducted before and after the 2-hour exposure of PCP noise under subway riding. Statistical analyses showed some significant hearing losses with the greatest loss of more than 6 dB at 4000 Hz for both ears, indicating that serious noise-induced hearing loss would potentially occurred due to prolonged use of PCPs. Practical safety countermeasures against PCP noise are further discussed.
친환경 세라믹 도료 열적측정을 통한 쿨루프 정책 확대방안
박민용,이동호,Park, Min Yong,Lee, Dong Ho 한국토지주택공사 토지주택연구원 2020 LHI journal of land, housing, and urban affairs Vol.11 No.3
The urban heat island phenomenon that accelerates global warming has always been controversial when summer heatwaves have occurred since it was first investigated and described by Luke Howard in the 1810s. In Korea, since 2014, government have been interested in Cool Roof and painted white coating on the rooftops of the aging and weak buildings, and the cool roof business has expanded nationwide. However, the roof occupies 20-25% of the entire city surface, much less than 37-45% of the pavement area consisting of roads, parking lots and sidewalks, there is a need to expand the policy of Cool Pavement as a way to reduce the urban heat island phenomenon. Domestic cities are high-rise buildings centered on apartments, and the area occupied by outer walls is larger than that of rooftops compared to foreign low-rise buildings. Therefore, as a way to reduce the urban heat island phenomenon, there is a need for a policy to expand the Cool Roof in buildings and use Cool Wall in parallel. Therefore, this study aims to present the expansion of Cool Wall in buildings and Cool Pavement in urban areas, expanding the installation range of Cool Roof, by comparing and reviewing the thermal characteristics of eco-friendly ceramic coating with excellent thermal proof performance and coatings used for roof waterproofing.
멀티미디어 통신시스템을 대상으로한 사용자 만족 전략의 감성공학적 수립
박민용,박희석,Park, Min-Yong,Park, Hui-Seok 대한인간공학회 1998 大韓人間工學會誌 Vol.17 No.1
The primary objective of this research was to establish and quantify the relationship between the physical degradation factors of multimedia telecommunications (teleconferencing) system and Subjective human perception. The research was performed in two stages. A field survey of the real users and pilot experiments were carried out in the first stage to determine customers' major complaints and corresponding system degradation factors. A prototype teleconferencing simulator was developed in two separate sound-treated chambers equipped with audio/video equipment running under a custom-developed software program. In the second stage, simulation experiments using the semantic differential methodology were performed utilizing 26 paid participants (14 college students and 12 housewives). The results indicated that audio/video synchronization and the frame rate were the main system factors for both subject groups, but different pattern of factors' influence was found according to the group, implying that the system configuration would hopefully accommodate the characteristics of the end users. Also, a single quality index, developed for system preference, was revealed to be highly correlated with user satisfaction. The results provide some fundamental data on the human subjective perception of multimedia telecommunications quality, and further can help establish the quality standards to enhance service level.
퍼지 언어적 평가법과 품질기능전개개념을 이용한 무선호출기의 감성공학적 제품설계 응용사례
박민용,최창성,Park, Min-Yong,Choe, Chang-Seong 대한인간공학회 1998 大韓人間工學會誌 Vol.17 No.3
This study proposed a method to apply certain fuzzy-related Quality control concepts to design customer-oriented products considering user requirements and information starting with the product development stage. This approach showed how to define the importance level of design elements and how to Quantify complex subjective perception of products using the fuzzy linguistic rating method and quality function deployment concepts. Using this approach, various customer requirements could be interpreted and reflected on the early design phase of a new product. To validate the proposed method, an experiment was conducted for designing the shape of the beeper using 14 subjects and 10 commercial beeper products. Front area, width/length ratio, thickness, curve variance, weight, and display area were selected as design elements of the beeper. The results showed that among design elements, front area and weight are significantly related with the subjective perception of the products. Consequently, this study indicates that customer decision on product selection could be made by quantification of user perception for beeper products.
LEV-3 환경법규 대응을 위한 연료시스템에서 발생되는 증발 가스에 미치는 보조캐니스터에 대한 연구
박민용(Minyong Park),조청용(Cheongyong Cho),박영선(Youngsun Park) 한국자동차공학회 2016 한국자동차공학회 학술대회 및 전시회 Vol.2016 No.11
The regulation of Hydro Carbon which occurs in the vehicle has a trend getting stronger according to increasing volume of green car and strengthening environmental regulations in each country. In the case of North America, they already applied LEV3 regulation, so we’ve succeeded to develop auxiliary Canister with the world’s first method which is applying coated activated carbon on a plastic or ceramic carrier.
영구임대아파트 중앙난방방식의 연료 변경에 따른 난방급탕비 및 온실가스 배출량 변화
박민용(Min-Yong Park),정순성(Soon-Sung Jung) 한국생활환경학회 2011 한국생활환경학회지 Vol.18 No.3
Intensifying the effluent quality standard of pollutants in law of preservation of air quality, it is necessary to replace B-C oil with city gas (LNG) in permanent rental apartment. In case of replacing B-C oil with city gas (LNG) in central heating system, this study is aimed at comparing and analyzing Heating & Hot Water Cost and Ton of Oil Equivalent, and Green House Gas Emission in permanent rental apartment. The results of this study are as follows; 1) Replacing B-C oil with city gas (LNG), annual heating and hot water cost is increased 694.72 Won/m², Ton of Oil Equivalent is increased 0.0007 TOE/m², and TCO₂ is decreased 0.01338 TCO₂/m². 2) Level of CO₂ tax is over 52,000 Won/m², replacing B-C oil with city gas (LNG) is economical.