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서정민,최범석,박준영,박철훈,김유일,Seo, Jeong-Min,Choi, Bum-Seok,Park, Jun-Young,Park, Cheol-Hoon,Kim, You-Il 한국군사과학기술학회 2011 한국군사과학기술학회지 Vol.14 No.6
Design of 500W class UMGT(Ultra Micro Gas Turbine) for power generation is conducted. Basic design parameters are obtained by cycle analysis. Off-design performances are predicted by 1D aerodynamic design and 1D performance analysis of compressor and turbine. 3D impellers are designed and 3D performance analysis is carried out to predict the performance characteristics of UMGT. 1D and 3D performance analysis show similar results. Structure analysis is conducted to select materials. Titanium Alloy is proposed for structural stability.
서정민(JeongMin Seo),박준영(Jun Young Park),최범석(Bum Seok Choi),윤의수(Eui Soo Yoon) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.5
Design and CFD of 1D and 3D is applied to develop centrifugal compressor of micro gas turbine. Material of the impellor of the compressor is selected through structure simulation.
서정민(JeongMin Seo),박준영(Jun Young Park),최범석(Bum Seok Choi),윤의수(Eui Soo Yoon) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.5
CFD flow analysis is applied to the labyrinth seal with and without dimples for steam turbine. Mass flow rate in pressure differences, pressure distributions and velocity distributions are obtained by 3D FVM.