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吸氣冷却-蒸氣噴射 가스터빈 사이클에 관한 열역학적 연구
박종구,양옥룡 대한기계학회 1992 대한기계학회논문집 Vol.16 No.1
본 연구에서는 사이클은 터빈 출구로 부터 배출되는 폐열을 최대한 회수하여 얻은 증기를 연소기내에 분사시킴으로써 부가적인 압축기 및 비출력의 상향을 기할수 있다.아울러 폐열이용 암모니아 흡수기 냉동기를 구동하여 압축기 입구 온도를 낮 춤에 의해 열효율 및 비출력의 증대는 물론 대기온도 변화에 따른 기관 성능의 변동을 감소시킬 수 있다. This paper discusses the thermodynamic study on the suction cooling-steam injected gas turbine cycle. The aim of this study is to improve the thermal efficiency and the specific output by steam injection produced by the waste heat from the waste heat recovery boiler and by cooling compressor inlet air by an ammonia absorption-type suction cooling system. The operating region of this newly devised cycle depends upon the pinch point limit and the outlet temperature of refrigerator. The higher steam injection ratio and the lower the evaporating temperature of refrigerant allow the higher thermal efficiency and the specific output. The optimum pressure ratios and the steam injection ratios for the maximum thermal efficiency and the specific output can be found. It is evident that this cycle considered as one of the most effective methods which can obtain the higher thermal efficiency and the specific output comparing with the conventional simple cycle and steam injected gas turbine cycle.
超音波 燃料供給裝置用 가솔린自動車의 性能向上에 관한 硏究(Ⅰ)
최두석,양옥룡,류정인 忠南大學校 工科大學 産業技術硏究所 1992 산업기술연구논문집 Vol.7 No.2
This paper describes briefly the effect of ultrasonic fuel supply device on the performance of four stroke cycle gasoline engine. Experiments were carried out to clarify the effect of ultrasonic fuel supply device on the engine output, travelling fuel consumption ratio, exhaust emissions. The results were obtained as follows : 1. Engine output was increased in comparison with that of the conventional intake manifold. 2. Travelling fuel consumption ratio improved in comparison with that of the conventional intake manifold. 3. CO, HC exhaust emissions was more decreased than that of the conventional intake manifold.