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논문 기본 정보

저자정보
(동신대학교) (한밭대학교)
저널정보
한국연소학회 한국연소학회지 한국연소학회지 제23권 제2호
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피인용 5

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    초록·키워드

    A phenomenon that potentially influences the reliability of power generation systems is the presence of thermos-acoustic oscillations in the combustion chamber of a land-based gas turbine. To develop specific measures that prevent the instability, it is essential to predict and/or evaluate the underlying physics of the thermo-acoustics, which requires the acoustic boundary condition at the exit of the burner, that is, at the inlet of the combustor. Here we report a procedure for calculating acoustic reflection coefficients at the burner exit by utilizing two microphone method (TMM) for dynamic pressure signals. The procedure has been verified by comparing its results with reported ones and further successfully employed to determine the acoustic boundary condition of the burner of a partially-premixed model gas turbine combustor.

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      UCI(KEPA) : I410-ECN-0101-2018-431-002229752