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김영식,김성수 ( Y . S . Kim,S . S . Kim ) 충북대학교 산업과학기술연구소 1996 산업과학기술연구 논문집 Vol.10 No.2
Abstract_Roman Theoretical estimation of microwave reflectance from the composites of carbon fibers and epoxy matrix was conducted as a function of fiber material and its contents. The composite specimens were prepared from the carbon fibers (PAN and pit
김영식(Y. S. Kim),김동섭(T. S. Kim),손정락(J. L. Sohn),김시문(S. M. Kim) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
In IGCC plants, operating characteristics of a gas turbine change due to design options such as the integration between the gasification process and the gas turbine. Problems of compressor surge margin reduction and turbine metal overheating may occur in low integration degree region. The syngas composition also affects the gas turbine operation. According to gasification process and kinds of coal, syngas compositions vary. Moreover, when carbon capture and storage is applied to the gasification process, syngas composition changes very much. This study examines the influence of syngas composition on the operating characteristics of a gas turbine. Four different syngases are considered as fuels of a gas turbine. As the heating value of syngas gets lower, the problems of surge margin reduction and metal overheating become worse. It is suggested that according to each syngas composition, integration degree of gas turbine and gasification process should be designed differently.