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예혼합 평면화염에서 비구형 실리카 입자의 성장에 관한 수치해석적 연구
오세백,이방원,최만수,Oh, Se-Baek,Lee, Bang-Weon,Choi, Man-Soo 대한기계학회 2000 大韓機械學會論文集B Vol.24 No.10
Two dimensional aerosol dynamics considering the effects of particle generation, coagulation, thermophoresis, sintering and convection has been studied to obtain the growth of non-spherical silica particles in conjunction with determining flame temperature by performing combustion analysis of premixed flat flame. Heat and mass transfer analysis includes 16 species, 29 chemical reaction steps together with oxidation and hydrolysis of SiCl4. The effect of radiation heat loss has also been included. The predictions of flame temperatures and the evolution of particle size distributions were in a reasonable agreement with the existing experimental data.
오세백(Se Baek Oh),홍영주(Youngjoo Hong),관윤근(Yoon Keun Kwak),김수현(Soo Hyun Kim) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.11
The van Cittert-Zernike theorem has been used in radio astronomy. Recently, the van Cittert-Zernike theorem has been tried to 3D source reconstruction. A couple of interferometer has been used in 3D coherence imaging like Michelson Stellar Interferometer and Rotational Shearing Interferometer. We propose a new type of interferometer, which is a wavefront folding interferometer with a corner cube. By characteristics of the corner cube, it is capable of measuring both mutual intensity and cross spectral density function, and it is very easy to align and robust to disturbance. We simulate the feasibility of this interferometer setup by simulation of point source reconstruction.