http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
HSDI 디젤 엔진의 유동 및 분무 3 차원 수치 해석 연구
박진우(Jinwoo Park),임용훈(Yonghoon Im),허강열(Kang Y. Huh) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
Three-dimensional computation by KIVA-3V and STAR-CD is performed for in-cylinder flow and fuel spray<br/> behavior in an HSDI diesel engine. For accuracy and efficiency of computation the flow output from STAR-CD is<br/> converted to a restart input file of KIVA-3V after intake valve closure by a converting program. The simulation<br/> results for two different nozzle types with delayed injection timings are compared for mixture distribution in the<br/> cylinder. Parametric study is also performed for different fuel injection timings and injection durations by KIVA-3V.<br/> Results show the influence of fuel sprays in terms of premixed combustion characteristics and NOx emissions of the<br/> tested HSDI diesel engine.
최재준(Jaejoon Choi),박병식(Byungsik Park),정대헌(Daeheon Jung),임용훈(Yonghoon Im),최영호(Youngho Choi),송대섭(Daesup Song) 대한설비공학회 2009 대한설비공학회 학술발표대회논문집 Vol.2009 No.-
The unpredicted worldwide oil price makes the energy efficiency technology be more importance than any other period. The small cogeneration system is one of the most representative technology among the energy efficiency technologies, and recently, the household cogeneration system has been the center object of attention because of the loss of power transmission and the reasonable energy consumption relative to the household (condensing) boiler producing heat only. A tiny, 1kW of electrical output, gas fueled internal combustion engine cogeneration system was investigated. The electrical efficiency and thermal efficiency of the system were measured. With the emission characteristics, the cogeneration system was analyzed. It was showed the gas engine cogeneration system produced the lowest NOx level compared any other cogeneration system due to the three-way catalyst.
1㎾급 스털링엔진 열병합발전시스템의 시동특성에 관한 연구
최재준(Jaejoon Choi),박병식(Byungsik Park),정대헌(Daeheon Jung),김혁주(Hyouckju Kim),임용훈(Yonghoon Im),강석훈(Seokhoon Kang),송대섭(Daesup Song) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
The unpredicted worldwide oil price makes the energy efficiency technology be more important than any other period. The small size cogeneration system is one of the most representative technology among the energy efficiency technologies, and the Stirling engine cogeneration system has been concerned and investigated continuously due to the several preferable characteristics - low toxic emission, low noise and vibration level, and the various form of fuel. Unlike the reciprocating-internal combustion engine, Stirling engine must have enough time to warm-up inside the cylinder and working fluid for providing certain given power. So the warm-up time and the time for providing the proper electrical power has been investigated by many researchers. A tiny, 1kW of electrical output, gas fueled Stirling engine cogeneration system's cold start-up and warm start-up characteristics were investigated. The cold start-up test was performed at the fully cold condition and the warm start-up test was performed immediately after the Stirling engine perfectly stopped. The electrical output variation with time was mainly investigated and analyzed at various load conditions. The start-up characteristics of a Stirling engine cogeneration system was finally analyzed.
가정용 스털링엔진 및 가스엔진 열병합발전시스템의 성능특성에 관한 연구
최재준(Jaejoon Choi),박병식(Byungsik Park),정대헌(Daeheon Jung),김혁주(Hyouckju Kim),강석훈(Seokhoon Kang),임용훈(Yonghoon Im),송대섭(Daesup Song) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.6
The unpredicted worldwide oil price makes the energy efficiency technology be more important than any other period. The small cogeneration system is one of the most representative technology among the energy efficiency technologies. Recently, the household cogeneration system has been the center object of attention because of the loss of power transmission and the reasonable energy consumption relative to the household (condensing) boiler producing heat only. A tiny gas-fueled internal combustion engine cogeneration system and two cogeneration systems based on Stirling engine as primary mover which can produce 1㎾ of electrical output were investigated from various aspects. The electrical efficiency and thermal efficiency of the systems were measured. The emission and noise characteristics were also analyzed and compared with each other. The cogeneration system based on internal combustion reciprocating engine was superior to the others in the efficiency of electrical power but was inferior in the noise and vibration level.
가정용 스털링엔진 열병합발전시스템의 성능 특성에 관한 연구
최재준(Jaejoon Choi),박병식(Byungsik Park),정대헌(Daeheon Jung),김혁주(Hyouckju Kim),강석훈(Seokhoon Kang),임용훈(Yonghoon Im),송대섭(Daesup Song) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.11
The unpredicted worldwide oil price makes the energy efficiency technology be more important than any other period. The small cogeneration system is one of the most representative technology among the energy efficiency technologies. Recently, the household cogeneration system has been the center object of attention because of the loss of power transmission and the reasonable energy consumption policy relative to the household (condensing) boiler producing heat only. Two cogeneration systems based on Stirling engine as primary mover which can produce 1㎾ of electrical output were investigated from various aspects. The electrical efficiency and thermal efficiency of the systems were measured. The experiment was executed at an independent Stirling engine mode, an independent secondary burner mode, and a combined mode. The emission and noise characteristics were also analyzed and compared with each other. The one cogeneration system was superior to the other in the efficiency of electrical power.