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전차 포탑 승무원실의 내부 열/유동장에 관한 수치적 연구
남궁혁준,이경훈,박병훈,노근래,NamKoung, H.J.,Lee, K.H.,Park, B.H.,Roh, K.L. 한국군사과학기술학회 2006 한국군사과학기술학회지 Vol.9 No.2
The heavy thermal load to battle tanks can cause electronic components' malfunction and crew to be put out of action. The thermal load is generated from Internal heat sources such as electronic devices installed in the room as well as extremely hot weather. In this study, heat and flow analysis for the cabin room of a battle tank was performed to deal with this thermal problem. This study presented the validation of simulation results in comparison with those of test, the investigation of optimal flow design for effective cooling in cabin room and finally the evaluation of thermal comforts to crew.
지역에 따른 수수 × 수단그라스 교잡종의 생육 및 수량반응
이남종(N . J . Lee),박병훈(B . H . Park) 한국축산학회 1989 한국축산학회지 Vol.31 No.12
Growing period from seeding to heading and dry matter production data are presented for forage sorghum-sudangrass hybrid 6 leading cultivars grown in a two-year trial at 5 different regions of south Korea. Dry matter production ranged from 14.5 to 26.6t/ha in response to region and was more produced in southern than northern Korea. Region was strongly reflected in dry matter production. There was a wide range in leaf component to total dry matter; the highest was headless variety JUMBO (40.9% by first growth, 44.8% by 2nd growth), the lowest G83F(25.3% and 31.3%). Growing period was shortened in southern Korea but shortening was depended on variety.