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이해훈,위성개,김원건,박대명,Lee, Hae Hoon,Wee, Sung Gae,Kim, Won Gun,Park, Dae Myoung 한국자동차안전학회 2018 자동차안전학회지 Vol.10 No.3
This research is to optimize Single-Piece Side otr reinforcement using Hot-stamping and to strengthen weak regions on Single-Piece Side otr reinforcement. As a consequence, the weight and the number of parts were reduced and resulting in improvement of impact and stiffness performance when compared to multi-piece construction.
이해훈,정필상,강종구,Lee, Hae Hoon,Chung, Pil Sang,Kang, Chong Ku 한국자동차안전학회 2021 자동차안전학회지 Vol.13 No.4
This study is intended to augment the Roof strength test being evaluated by IIHS (Insurance Institute for Highway Safety). In order to find solutions for increasing Roof Crashworthiness Evaluation SWR (Strengthto-weight ratio). This study introduces that Integrated Connection Structure Between Center Pillar and Roof Center Rail is proposed as a critical solution.
임항선 ( Hang-seon Lim ),김익산 ( Ik-san Kim ),안길원 ( Kil-won Ahn ),이해훈 ( Hae-hoon Lee ),박종수 ( Jong-soo Park ),양수인 ( Soo-in Yang ) 한국환경기술학회 2016 한국환경기술학회지 Vol.17 No.2
본 연구는 지리산을 중심으로 형성된 행복마을 한옥의 공기질 특성과 우수성을 찾아보고자 실내공기질의 충족 여부를 파악하기 위해 폼알데하이드, 부유세균, 이산화탄소, 라돈의 측정과 음이온, 피톤치드(19종)를 분석하였고 대조군으로 양옥 및 아파트와 비교하고 한옥의 공기질에 대한 자료로 제공하기 위해 실시하였다. 한옥에서 폼알데하이드는 18.5 μg/㎥ ∼ 41.6 μg/㎥(실내공기질 유지기준 100 μg/㎥), 총부유세균은 109 CFU/㎥ ∼ 237 CFU/㎥(실내공기질 유지기준 800 CFU/㎥)로 매우 양호한 상태를 보였고, 피로와 스트레스 해소 등에 좋은 것으로 알려진 음이온의 경우는 한옥 바깥 에서 65 개/cc ∼ 806 개/cc인 것과 비교하여 내부에서는 337 개/cc ∼ 2,611 개/cc였다. 5개 지점의 한옥 피톤치드 평균은 3,705 pptv, 아파트 1,639 pptv, 양옥 868 pptv이고 한옥에서는 아파트, 양옥 보다 2.3 ~ 4.3배 정도가 더 높게 나타났다. 19종의 피톤치드 성상 중 α-pinene, β-pinene이 한옥에서는 65%, 양옥과 아파트는 54%, 34.5%로 주종을 이루였다. 연구결과 한옥이 웰빙에 좋은 주거공간임을 알 수 있었다. This study was carried out to investigate distribution characteristics of phytoncides, formaldehyde, total airborne bacteria, carbon dioxide, radon and anion on the air quality of indoor and outdoor of Korean-style house on Jirisan area. Concentration of formaldehyde of the air quality on indoor of Korean-style house were 18.5 μg/㎥ ∼ 41.6 μg/㎥, total airborne bacteria were 109 CFU/㎥ ∼ 237 CFU/㎥. In the case of Korean-style house, the indoor anion concentrations were 337 ea/cc ∼ 2,611 ea/cc anion while the outdoor anion concentrations 65 ea/cc ∼ 806 ea/cc. Average concentration of phytoncides of Korean-style house was 3,705 pptv. It was higher than those of apartment 1,639 pptv and western house 868 pptv. The rate of α-pienene and β-pienene, two components of 19 phytoncides, were 65% in Korean-style house, 54% in western house, 34.5% in Apartment. The result of the study, life of Korean-style house could know that they were in well-being place.
박귀님 ( Gwi-nim Park ),오길영 ( Gil-yong Oh ),박혜영 ( Hyee-young Park ),박종수 ( Jong-soo Park ),이해훈 ( Hae-hoon Lee ),정경모 ( Kyung-mo Jeong ) 한국환경농학회 2016 한국환경농학회 학술대회집 Vol.2016 No.-
In order to efficiently supply suitable irrigation water, We investigated water quality at 5 intake-towers out of 3,206 agricultural reservoirs in Jeollanam-Do from may to september. The overall water quality was found to show a good side, and water temperature increasingly tend to decrease by water depth. Cold-water damage is expected by the thermocline formed on water temperature reduces. which is possible to supply low-oxygen water in the present way. Intake-tower is only 2% in Intake methods of agricultural water in Jeollanam-Do. winches and hydrological scheme has accounted for 98%. To avoid the cold-water demage and get agricultural water in good state regardless of weather change or water level fluctuation, we suggest the introduction of buoyancy type intake apparatus which can get optimum depth location at each reservoirs. Also it is necessary to install the water measuring instruments which might to provide the useful information such as water temperature, water level and turbidity in real time. They also would automatically adjust the height of the water intake.