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신훈범(H.B. Shin),김지홍(J.H. Kim),정훈화(H.H. Jung) 한국전산유체공학회 2012 한국전산유체공학회 학술대회논문집 Vol.2012 No.11
This study presents the analysis process for prediction of anti/de-icing systems. In previous studies, Icing analysis code based on Fluent(Commercial code) has been developed to simulate the droplet trajectory, ice shape and temperature distribution on the heated surface. In this study, It shows the results which contain the validation with several tests.
KC-100 항공기 주날개의 결빙에 의한 공력 영향성 연구
이창훈(C.H. Lee),신성민(S.M. Sin),정성기(S.K. Jung),명노신(R.S. Myong),조태환(T.H. Cho),정재홍(J.H. Jung),정훈화(H.H. Jeong) 한국전산유체공학회 2010 한국전산유체공학회 학술대회논문집 Vol.2010 No.5
Ice accretion on aircraft surface in icing condition induces external shape changes that may result in a hazard factor for aircraft safety. In case of aircraft main wing with high lift equipment, ice accretion is observed around leading edge and flap. During the design phase, location of ice accretion and associated aerodynamic characteristics must be investigated. In this study, icing effects on aerodynamic characteristics of the main wing section of KC-100 aircraft are investigated using an Eulerian-based FENSAP-ICE code in various icing conditions.
소형항공기 캐빈 도어 구조 변형에 의한 공력하중 변화 해석
이철(C. Lee),최재승(J.S. Choi),정재홍(J.H. Jung),정훈화(H.H. Jeong),김지홍(J.H. Kim) 한국전산유체공학회 2011 한국전산유체공학회 학술대회논문집 Vol.2011 No.11
Structural deformations due to flight load acting on the aircraft cabin door cause the deformation of surface profile and gap & mismatch between door and fuselage. In order to assess if the cabin door is opened in the deformed gap & mismatch conditions, CFD on the external flow of whole aircraft, small scale flow in gap & mismatch region and internal flow of inner cabin has been performed simultaneously. 2-D parametric studies are conducted in parallel for sensitivity analysis of design parameters. The safety of cabin door was confirmed by the analysis and was verified by flight test.