http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
박경린(G.R. Park),양영록(Y.R. Yang),정성기(S.K. Jung),명노신(R.S. Myong),조태환(T.H. Cho) 한국전산유체공학회 2010 한국전산유체공학회 학술대회논문집 Vol.2010 No.5
An integrated multi-disciplinary design system plays a critical role in the preliminary design of an aircraft. In this paper such system is developed for the multi-disciplinary computation and design; aerodynamics, elasticity, and radio frequency stealth. Common data base of geometry and structured grids is generated and used for aerodynamic, structural and electromagnetics analysis. The Navieri-Stokes CFD, FEM, and CEM technique are used for aerodynamic, structural, and RF stealth computations, respectively.
A NUMERICAL SIMULATION OF INFRARED RADIATION OF EXHAUST PLUME
장우(Y. Zhang),양영록(Y.R. Yang),박경린(G.R. Park),명노신(R.S. Myong),조태환(T.H. Cho) 한국전산유체공학회 2010 한국전산유체공학회 학술대회논문집 Vol.2010 No.5
The infrared radiation of exhaust plume was investigated numerically by a finite volume method (FVM) with anisotropic scattering particles. The exhaust plume is considered to absorb, emit and scatter radiant energy isotropically as well as anisotropically. The spatial and spectral distribution characteristics were obtained for the detection wavelength with 2.7㎛. The radiative intensities were presented for the different detective direction.
정성기(S. K. Jung),명노신(R. S. Myong),조태환(T. H. Cho),박경린(G. R. Park),강태우(T. W. Kang) 한국전산유체공학회 2010 한국전산유체공학회 학술대회논문집 Vol.2010 No.11
Ice accretion on aircraft surface can greatly deteriorate the aerodynamic performance of aircraft. Especially, air flows around a wing at glaze ice conditions are very complex and can suffer large aerodynamic penalties. Complicated horn shapes are usually found on the surfaces at glaze ice conditions by coupling effects of heat flux and shear stress. Therefore, the conventional structured CFD method has difficulty in the prediction of glaze ice shape due to its limitation on handling complex geometry. For example, negative cell volumes can be generated in the structured grids in the process of grid regeneration. In order to overcome this limitation, unstructured CFD method was employed to calculate an Eulerian-based droplet field and ice accretion on the surfaces. The developed codes were then compared with experimental data. It was shown that the collective efficiency and iced shape were in good agreement with previous results.