Soonho Song
YOU?
Author Swipe
View article: Enhancing luminance response during gray-level transitions at low frequencies in AMOLED displays
Enhancing luminance response during gray-level transitions at low frequencies in AMOLED displays Open
This study proposes a novel driving method to address temporal response degradation observed during gray-level transitions under low-frequency operation in low-temperature poly-Si and oxide (LTPO) active-matrix organic light-emitting diode…
View article: Real-Time Measurement of NO and NH <sub>3</sub> Concentration Variations Using Direct Absorption Spectroscopy in the Smog Chamber to Analyze NH <sub>4</sub> NO <sub>3</sub> Photochemical Formation Characteristics
Real-Time Measurement of NO and NH <sub>3</sub> Concentration Variations Using Direct Absorption Spectroscopy in the Smog Chamber to Analyze NH <sub>4</sub> NO <sub>3</sub> Photochemical Formation Characteristics Open
In urban atmospheric chemistry, NOx and NH3 in the atmosphere are major species participating in the secondary aerosol formation process, causing severe environmental problems such as decreased visibility and acid rain. In order to respond…
View article: Molecular Dynamics Simulations of Planar Shock Wave in Single Crystalline Aluminum for Hugoniot Relation
Molecular Dynamics Simulations of Planar Shock Wave in Single Crystalline Aluminum for Hugoniot Relation Open
View article: Molecular Dynamics Simulations of Planar Shock Wave in Single Crystalline Aluminum for Hugoniot Relationship
Molecular Dynamics Simulations of Planar Shock Wave in Single Crystalline Aluminum for Hugoniot Relationship Open
View article: Measurement of NO and NH <sub>3</sub> Concentrations in Atmospheric Simulation Chamber Using Direct Absorption Spectroscopy
Measurement of NO and NH <sub>3</sub> Concentrations in Atmospheric Simulation Chamber Using Direct Absorption Spectroscopy Open
In urban atmospheric chemistry, nitrogen oxides and ammonia in the atmosphere are major species participating in the secondary aerosol formation process, causing severe environmental problems such as decreased visibility and acid rain. In …
View article: Study on the Combustion Characteristics of Ethanol Nanofuel
Study on the Combustion Characteristics of Ethanol Nanofuel Open
This study investigates the thermophysical and combustion characteristics of ethanol-based nanofuels incorporating aluminum (Al) and nickel-coated aluminum (Ni-Al). The nanofuels are prepared with varying concentrations of Al and Ni-Al nan…
View article: Research on the Improvement of Performance and Emissions of the SI Engine by Adding E-fuel Based OME2
Research on the Improvement of Performance and Emissions of the SI Engine by Adding E-fuel Based OME2 Open
View article: Dry reforming of methane in a rotating gliding arc plasma: Improving efficiency and syngas cost by quenching product gas
Dry reforming of methane in a rotating gliding arc plasma: Improving efficiency and syngas cost by quenching product gas Open
Rotating gliding arc (GA) plasma has attracted increasing interest in dry reforming of methane (DRM) for CO2 utilization. Most DRM studies using GA plasma are conducted to improve energy efficiency by increasing the conversion of reactants…
View article: Dry Reforming of Methane in a Rotating Gliding Arc Plasma: Improving Efficiency and Syngas Cost by Quenching Product Gas
Dry Reforming of Methane in a Rotating Gliding Arc Plasma: Improving Efficiency and Syngas Cost by Quenching Product Gas Open
View article: Non-reactive effective volume profiles of n-butane/hydrogen
Non-reactive effective volume profiles of n-butane/hydrogen Open
Non-reactive effective volume profiles
View article: Packed Bed Methane Chemical-Looping Reforming System Modeling for the Application to the Hydrogen Production
Packed Bed Methane Chemical-Looping Reforming System Modeling for the Application to the Hydrogen Production Open
View article: Numerical study on effect of intake valve timing on characteristics of combustion and emission of Natural gas-Diesel engine
Numerical study on effect of intake valve timing on characteristics of combustion and emission of Natural gas-Diesel engine Open
도시지역에서는 발전용 디젤엔진의 운영비를 절약하기 위해 천연가스와 디젤을 섞어서 쓰려는 노력을 하고 있다. 본 연구에서는 디젤 연료의 일부를 천연가스로 대체 하였을 때 엔진특성과 천연가스로 대체되는 양에 따라 최적의 밸브 타이밍을 찾아보았다. 1-D 엔진 해석프로그램을 사용하여 19.7리터 발전용 디젤 엔진을 대상으로 모델링하여 연구를 진행하였다. 연구 결과 엔진연료에서 천연가스 비율이 증가할수록 연료소비율(Brake Spe…
View article: A Effects of Natural Gas-Diesel/Hi-sene Dual Fuel Operation on Performance of a Heavy-Duty Diesel engine for Power Generation
A Effects of Natural Gas-Diesel/Hi-sene Dual Fuel Operation on Performance of a Heavy-Duty Diesel engine for Power Generation Open
본 연구에서는 1.5MW급의 발전용 디젤 엔진을 대상으로 상용 프로그램인 GT-Power를 이용하여 천연가스와 디젤 혼합연소 엔진 모델을 구축하였으며 이를 통해 기존의 디젤 연소를 하는 경우와 천연가스-디젤 혼합연소를 하는 경우의 엔진 성능 변화를 부하율(50%, 75%, 100%)에 따라 비교하였다. 또한 도서지역에서 실제로 사용되고 있는 부생유를 적용하는 경우의 영향에 대한 연구를 진행하였다. 그 결과 엔진의 운전 조건 …
View article: The Effect of Y at Ni-YSZ Catalysts for the Application to the Process of Methane Chemical-Looping Reforming
The Effect of Y at Ni-YSZ Catalysts for the Application to the Process of Methane Chemical-Looping Reforming Open
Nickel based oxygen transfer materials supported on two different YSZs were tested to evaluate their performance in methane chemical-looping reforming. The oxygen transfer materials of YSZs were selected with different amount of the doped …
View article: Study on the Performance of a Spark Ignition Gas Engine for Power Generation fueled by the Methane/Syngas Mixture
Study on the Performance of a Spark Ignition Gas Engine for Power Generation fueled by the Methane/Syngas Mixture Open
현재까지 수소는 주로 천연가스의 연료 개질에 의해 발생된 합성가스를 이용해 생산된다. 합성가스 내의 수소 수율을 높이기 위해선 추가적인 공정이 필요하다. 하지만, 수소의 수율 향상을 위한 공정에는 별도의 에너지원과 경제적 비용이 수반된다. 그러므로 보다 효율적으로 합성가스를 활용하기 위해 그 자체로 혼합물로 이용하는 방법에 관한 관련 연구들이 이루어지고 있다. 본 연구에서는 30kW급 발전용 스파크 점화 가스엔진에서 메탄/합…
View article: A Numerical Study on Performance of a Heavy-Duty Diesel engine for Power Generation under Natural Gas-Diesel Dual Fuel Operation
A Numerical Study on Performance of a Heavy-Duty Diesel engine for Power Generation under Natural Gas-Diesel Dual Fuel Operation Open
본 연구는 발전용 디젤 엔진을 천연가스/디젤 혼소 엔진으로 개조하기 위한 선행 연구로 1.5MW급 발전용 디젤 엔진을 대상으로 상용 프로그램인 GT-Power를 이용해 수치해석을 진행하였다. 흡기 포트에 천연가스 분사 장치를 추가한 수치해석 모델을 통해 기존 엔진에서 천연가스와 디젤을 혼소시킬 경우 엔진 성능에 미치는 영향과 특성에 대해 분석하였다. 엔진 속도 720RPM, 혼소율 0%~40%까지 5개 조건에서 수치해석을 진…
View article: Numerical Analysis and Demonstration Test on the Performance of a Static Mixer for mixing Biogas and Town Gas for the 5MW Biogas Turbine
Numerical Analysis and Demonstration Test on the Performance of a Static Mixer for mixing Biogas and Town Gas for the 5MW Biogas Turbine Open
본 연구에서는 바이오가스의 공급이 부족한 환경에서 5MW급 바이오 가스터빈을 운전하기 위한 바이오가스와 도시가스의 혼합용 혼합챔버의 성능에 대한 수치해석 및 실증 시험을 수행한 것이다. 혼합챔버의 성능에 대한 수치해석으로 혼합챔버 출구부분에서의 불균일도와 압력강하를 계산하였다. 그 결과, 불균일도는 최소 0.05%에서 최대 0.16%로 이는 99%이상 바이오가스와 도시가스가 혼합되는 것을 의미한다. 압력강하는 입구압력 5ba…