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CaO를 이용한 보일러 배가스의 반건식 중온 FGD에 관한 연구
류정인(J. I. Ryu),송완중(W. J. Song),이재성(J. S. Lee),이병오(B. O. Lee) 대한기계학회 2001 대한기계학회 춘추학술대회 Vol.2001 No.9
By the sudden increase of using a boiler, environmental problem is now becoming a international issue and so our government intensify the environmental rules. Now, we must prepare the change of international circumstance and develop a emission control technique for improvement of our atmosphere quality. in this study, we make a 800ppm SO₂ gas which is exusted by real boiler, and execute a series of FGD tests. As a result of this study it is concluded that an optimum desulfurization ratio depend on such as humidity, temperaure and flow quantity.
超音波 燃料供給裝置를 이용한 디젤機關의 性能 向上에 관한 硏究
양정규(J.K.Yang),최두석(D.S. Choi),윤진한(J.H.Yun),류정인(J.I.Ryu) 한국자동차공학회 1993 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
To improve the performance of diesel engine. we designed new fuel feeding system nam ed ultrasonic fuel feeding system. The performance test of diesel engine carried out<br/> to exame possibility of practical use of ultrasonic fuel feeding system to test engine. This paper deal with the comparative results of performance test of diesel engine, that is. Smoke. HC. CO. SFC, PS, Thermal Efficiency, Torque.<br/>
배장웅(J.W.Bae),김하늘(H.N.Kim),이진욱(J.W.Lee),강건용(K.Y.Kang),류정인(J.I.Ryu) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
Future exhaust gas limits for diesel-driven passenger cars will force the automotive industry to significantly improve the performance of engine. Since modern common-rail injection systems deliver more degrees of freedom referring to the injection process, again the optimization of the injection process could offer a possibility to meet the exhaust gas limits. This study describes the characteristic the pilot spray structure of piezo-driven injector for a passenger car common-rail system to be applicable multiple injection caused by fast response rather than solenoid-driven injector. The piezo-driven injector is prototype injector with same needle chamber of solenoid injector and the solenoid-driven one is commercial injector. The pilot spray characteristic such as spray tip penetration, spray speed, spray angle were obtained by spray images, which is measured by the Mie scattering method with optical system for high-speed temporal photography. It was found that piezo-driven injector effected electric change as important factor and showed faster response than solenoid-driven injector.