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분무 조건에 따른 기체 중심 스월 동축형 분사기의 분무 특성
박구정 ( Gu Jeong Park ),이정호 ( Jung Ho Lee ),이인규 ( In Gyu Lee ),윤영빈 ( Young Bin Yoon ) 한국분무공학회 2014 한국액체미립화학회지 Vol.19 No.4
The spray characteristics of Gas-Centered Swirl Coaxial Injector was investigated that there were different characteristics with or without gas flow. As gas flow was accelerated, the momentum of gas was transferred to the momentum of liquid in the low liquid Reynolds number. Therefore, the axial velocity of liquid was increased and the measured value was smaller than without gas flow. However, in the high momentum flux ratio, the momentum transfer hardly occurred and the results had constant values. As the recess length was increased, the mixing area of gas and liquid also was increased, the results were decreased.
분무 조건에 따른 기체 중심 스월 동축형 분사기의 분무 특성
박구정 ( Gu Jeong Park ),이정호 ( Jung Ho Lee ),이인규 ( Ing Yu Lee ),윤영빈 ( Young Bin Yoon ) 한국액체미립화학회 2014 한국액체미립화학회 학술강연회 논문집 Vol.2014 No.-
The spray characteristics of Gas-Centered Swirl Coaxial Injector was investigated. There were different characteristics with or without gas flow. When gas flow was accelerated, the measure value was smaller than without gas flow. The spray angle, breakup length and film thickness were presented in accordance with the momentum flux ratio. As the momentum flux ratio and recess length increased, the measured values decreased.
미립화 특성 : 기체 중심 스월 동축형 분사기의 액막 두께
박구정 ( Gu Jeong Park ),이인규 ( In Gyu Lee ),김현태 ( Hyun Tae Kim ),정연재 ( Yun Jae Chung ),조성호 ( Seong Ho Cho ),윤영빈 ( Young Bin Yoon ) 한국액체미립화학회 2013 한국액체미립화학회 학술강연회 논문집 Vol.2013 No.-
The spray characteristics of Gas centered swirl coaxial in various injection condition was studied. The backlight image was used to capture the shape of spray and the electrical conductance method was used to measure the film thickness of spray at the end of injectors. The spray angle and film thickness was changed according to injection conditions.
연료분무 및 연소 2 : 아임계 및 초임계 조건에서의 극저온 스월 분무의 표면파 특성에 대한 실험적 연구
조성호 ( Seong Ho Cho ),박구정 ( Gu Jeong Park ),정연재 ( Yun Jae Chung ),윤영빈 ( Young Bin Yoon ) 한국액체미립화학회 2012 한국액체미립화학회 학술강연회 논문집 Vol.2012 No.-
Cryogenic swirl spray was investigated. Open type simplex swirl injector element was installed inside the high pressure chamber to find the effect of ambient pressure of the spray. Cryogenic swirl spray was unstable than conventional spray. Amplitude of surface wave on the spray was increased along ambient pressure, and instability frequency was decreased