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윤용한(Yong Han Yoon),배병호(Byung Ho Bae) 한국환경생물학회 2002 환경생물 : 환경생물학회지 Vol.20 No.1
N/A In order to investigate relation between park scale and temperature decrease in and near parks, temperature distribution was observed and was analyzed in four parks of different scales. Relation between the temperature decrease and ratio of green coverage was also analyzed by using regression analysis. Lower temperature was observed in and near the parks and larger cooling effect was implicated near the larger parks. The result of regression analysis showed that the increase of green coverage ratio leads the decrease of the temperature in the parks. The degree of the temperature decrease varied according to the types of the coverage.
생체기후도를 이용한 비오톱 유형별 환경 쾌적성 증진 방안 연구
윤용한 ( Yong Han Yoon ),주창훈 ( Chang Hun Joo ),김정호 ( Jeong Ho Kim ) 한국지역개발학회 2011 韓國地域開發學會誌 Vol.23 No.3
This study analyzed weather characteristics for each biotope type and influential factors on outdoor temperature in the summer when thermal contamination is at its worst targeting Daedoek-gu, and suggested a management plan in thermal comfort aspect by using a bioclimatic chart. Impermeable area ratio for each biotope type was shown in orders of industrial area biotope(94.80%)>commercial area biotope(92.20%)>low floor residential area biotope (85.75%)>high floor residential area biotope(76.02%)>river biotope(2.35%)>forest biotope(0%). Meteorological element analysis was divided into daily maximum and daily minimum and conducted, and outdoor temperature, humidity, wind speed, globe temperature, and surface temperature were measured. Outdoor temperature at the daily maximum temperature was shown in orders of industrial area biotope(36.3℃)>commercial area biotope(35.5℃)>high and low floor residential area biotope(34.8℃)>river biotope(33.9 ℃)>forest biotope(30.4℃). Low humidity was created at high temperature region and high humidity was created at low temperature region, there was no special tendency in wind speed but it contributed to creation of outdoor temperature, and surface temperature and globe temperature were measured as same tendency as outdoor temperature. Outdoor temperature at the daily minimum temperature was shown in orders of commercial area biotope(27.5℃)>industrial area and low floor residential area biotope(26.9℃)>high floor residential area biotope(26.5℃)>river biotope(26.6℃)>forest biotope(26.4℃), humidity was over 80%, and globe temperature was low temperature region with lowest value at forest biotope(26.8℃) and river biotope(26.7℃) that have strong wind speed. As a result of understanding the level of affecting creation of outdoor temperature for each land cover type, impermeable cover area showed positive correlation(correlation coefficient of 0.608) for increase of outdoor temperature, and tree planting area had negative correlation(correlation coefficient of -0.694). It was analyzed surface temperature (correlation coefficient of 0.821) and globe temperature(correlation coefficient of 0.790) had high interrelationship with change in outdoor temperature. Based on this, this study suggested expansion of green and water permeable cover, inflow of air current, and application of a planting method that considered wind corridor as a means to enhance comfort for each biotope type.
윤용한(Yoon Yong-Han),임금광(Yim Geum-Kwang) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
This paper presents a development and evaluation of a spring type tensioning device for Korea railroad. The wheel type tensioning device used in the Korea railroad requires much time and labor for maintenance including wire replacement and oil application. So, we found it necessary to develop a new type of maintenance-free tensioning device. In this paper, we introduced a spring type tensioning device for Korea railroad.
옥상녹화에서 혼합식재에 따른 블루페스큐와 지피초화류의 생육 반응
윤용한 ( Yoon Yong-han ),서수현 ( Suh Soo-hyun ),이선영 ( Lee Sun-yeong ),오득균 ( Oh Deuk-kyun ),주진희 ( Ju Jin-hee ) 한국환경복원기술학회 2021 한국환경복원기술학회지 Vol.24 No.5
This study was carried out to suggest an appropriate plant combination by evaluating the growth of flowering ground-cover plants planted with Festuca glauca ‘Eljiah Blue’ on the roof-top environment. As for the plant materials, Allium senescens and Chrysanthemum coreanum which are shorter than Festuca glauca ‘Eljiah Blue’ and Sedum takesimense and Agastache rugosa which are taller than Festuca glauca ‘Eljiah Blue’ were selected. Festuca glauca ‘Eljiah Blue’ was planted on Conrol, and Festuca glauca ‘Eljiah Blue’ with Allium senescens (T1), Festuca glauca ‘Eljiah Blue’ with Sedum takesimense (T2), Festuca glauca ‘Eljiah Blue’ with Agastache rugosa (T3), and Festuca glauca ‘Eljiah Blue’ with Chrysanthemum coreanum (T4) were planted in each experimental plot. Plant height and covering rate were measured to evaluate the growth of Festuca glauca ‘Eljiah Blue’. Also, relative growth rate (RGR) of plant height, RGR of plant width, and mortality rate of the flowering ground-cover plants were estimated. Plant height and cover rate of Festuca glauca ‘Eljiah Blue’ was greatest in T3. RGR of plant height was greater in the order of Agastache rugosa, Allium senescens, Chrysanthemum coreanum, and Sedum takesimense. In particular, RGR of plant width was also greatest for Agastache rugosa . Mortality rates of Agastache rugosa and Allium senescens were lowest at 11%. Therefore, based on good growth of Festuca glauca ‘Eljiah Blue’ planted with Agastache rugosa, these results were suggested as a desirable combination of plant species for rooftop gardening.
설계시공일괄발주(턴키) 설계에서 LCC를 활용한 경제성 분석 실태: 조경분야를 중심으로
윤용한 ( Yong Han Yoon ),김정호 ( Jeong Ho Kim ),한대호 ( Dae Ho Han ) 한국환경정책평가연구원 2011 환경정책연구 Vol.10 No.4
최근 5년간 시행된 턴키사업 중 공동주택단지 10개소를 선정하여 공종별 LCC 기법 적용실태를 분석하고 이 중조경분야의 적용 및 문제점을 파악하여 개선방안을 제시하고자 하였다. 연구대상지 10개소의 총 LCC 분석건수는 총151건이었고, 공종별 평균 적용비율 순위는 건축(34.4%)> 전기(21.2%)>기계(18.5%)>토목(13.2%)>조경(12.6%) 등의 순으로 조경분야가 가장 낮았다. LCC 절감액 비율은 기계(32.1%)>건축(23.9%)>전기(23.4%)>토목(17.5%)>조경(3.1%)의 순이었으며 조경분야는 LCC 분석건수가 비슷한 토목분야보다 약 5~6배 정도가 낮은 절감액을 보이고 있었다. 조경분야의 LCC 분석항목은 총 19건이었으며, 이 중 포장재 15건, 건물녹화 1건, 잔디식재 1건, 식재기반 1건, 시설물 1건 등이었다. 조경분야 LCC 분석의 활성화를 추진하기 위해서는 첫째, 조경분야 공사비 비율을 고려한 분석항목의 설정, 둘째, 조경분야의 법적 규정 및 확대 적용, 셋째, 조경분야에 적합한 VE/LCC 기준 마련등이 필요하다. In this article, I would like to analyze the conditions in applying the LCC method for each construction type by selecting 10 apartment complexes among the Turn-key projects which have been ongoing for the last 5 years. In addition, this article will identify the problems to the application of double landscape architecture and suggest improvement measures. Among the 10 case targets, a total of 151 LCC analyses were conducted, and the average application ratio placing for each construction type was shown in the following order: architecture (34.4%)> electricity (21.2%)>machine (18.5%)>civil engineering (13.2%)>landscape architecture (12.6%). As numbers show, landscape architecture was the lowest. The ratio of LCC reduction amount was shown in the following order: machine (32.1%)> architecture (23.9%)>electricity (23.4%)>civil engineering (17.5%)>landscape architecture (3.1%). The field of landscape architecture had a reduction amount that was about 5 to 6 times lower than civil engineering which had a similar number of LCC analysis cases. The total LCC analysis items of landscape architecture was 19, including 15 double packing material, 1 building covering, 1 grass planting, 1 planting infrastructure, and 1 facility. The following measures were suggested to promote LCC analysis in landscape architecture: first, set an analysis item that considers the construction expense ratio of landscape architecture; second, legal regulation of landscape architecture and expansion of its application; third, prepare VE/LCC standards which are suitable for landscape architecture.