Publications

• Seunghyun Lee, Kiyeon Kim, Jeongwoo Lee, Yongrae Kim, Jaeyoung Cho, Sechul Oh, and Kyoungdoug Min, "NOx reduction in hydrogen-fueled direct-injected spark ignition (DISI) engine using post-injection strategy: Experimental and chemical kinetics approaches." Energy 324 (2025): 136085.

• Amir Mardani, Hanyoung Kim, Sechul Oh, and Kyung Chun Kim, "Experimental investigation of an ammonia-hydrogen-methane non-premixed high swirl model combustor for MILD regime", International Journal of Hydrogen Energy, submitted

• Jinho Oh, Hyunduk Seo, Eunkoo Yun, Hyun Dong Kim, Sechul Oh,and Kyung Chun Kim, "Comparison of liquid ammonia spray morphology and its characteristics between jet and cone shape from multi-hole GDI injector in a pressurized constant volume chamber", Fuel, under review

• Amir Mardani, Hanyoung Kim, Sechul Oh, and Kyung Chun Kim, "Ammonia usage instead of hydrogen in Methane-Hydrogen Blended fuel mixture under highly preheated and dilution Condition: Chemical Perspective." International Journal of Heat and Fluid Flow 115 (2025): 109826.

  2024

• Mahmoud Rasti, Mohammad Hossein Kashefi, Amirreza Shahsavari, Mirae Kim, Wonseop Chung, Kyung Chun Kim, and Sechul Oh, "The Role of Radiation in Mixed Convection Heat Transfer from a Rectangular Fin Heat Sink: Experimental Investigation", Symmetry, 16.12 (2024): 1628.

• Amir Mardani, Sechul Oh, Hanyoung Kim, and Kyung Chun Kim, "Assessment on NOx formation for CH4/H2/NH3 flame under MILD condition: Effect of air Swirl and ammonia fraction." International Journal of Hydrogen Energy 80 (2024): 1277-1289.

• Sangho Lee, Sechul Oh, Sunyoup Lee, and Hyeongjun Jang, "Development of an ammonia decomposition reactor, afterburner and post-decomposition reactor for 1 kW solid oxide fuel cells using ammonia." Energy Conversion and Management 314 (2024): 118661.

  2023

• Jihwan Park, Seunghyup Shin, Sechul Oh, Sangyul Lee, Woojae Shin, and Kyoungdoug Min, "Knock Onset Determination with 1D CNN Using Random Search Hyperparameter Optimization and Data Augmentation in SI Engine." International Journal of Automotive Technology 24.5 (2023): 1395-1410.

• Seunghyun Lee, Yongrae Kim, Jeongwoo Lee, Kiyeon Kim, Seungil Lee, Kyoungdoug Min, and Sechul Oh, “Energy and exergy analyses of hydrogen-fueled spark ignition engine with various excess air ratios and ignition timings”, Fuel 349 (2023): 128588

• Seokwon Cho, Chiheon Song, Youngbok Lee, Namho Kim, Sechul Oh, and Kyoungdoug Min, "Prediction of knock propensity using stochastic modeling in a spark-ignition engine." International Journal of Engine Research 24.3 (2023): 1077-1094.

• Yongrae Kim, Cheolwoong Park, Junho Oh, Sechul Oh, Young Choi, and Jeongwoo Lee, “Effect of Excessive Air Ratio on Hydrogen-fueled Spark Ignition Engine with High Compression Ratio Using Direct Injection System toward Higher Brake Power and Thermal Efficiency”. International Journal of Automotive Technology 24.1, 79–89 (2023).

• Sechul Oh, Cheolwoong Park, Myungguen Ahn, Hyeong-Jun Jang, and Seonyeob Kim, "Experimental approach for reducing nitrogen oxides emissions from ammonia–natural gas dual-fuel spark-ignition engine", Fuel 332 Part 2 (2023): 126065.

• Joohan Kim, Jongwon Chung, Namho Kim, Seokwon Cho, Jaeyeop Lee, Sechul Oh, Chiheon Song, and Kyoungdoug Min, "Numerical investigation of soot emission sources in a direct-injection spark-ignition engine based on comprehensive breakup model validation." International Journal of Engine Research 24.1 (2023): 217-239.

  2022

• Sechul Oh, Cheolwoong Park, Junho Oh, Seonyeob Kim, Yongrae Kim, Young Choi, and Changgi Kim, "Combustion, emissions, and performance of natural gas–ammonia dual-fuel spark-ignited engine at full-load condition.", Energy 258 (2022): 124837.

• Sechul Oh, Junho Oh, Junghwan Kim, Sunyoup Lee, Changgi Kim, Seokhwan Lee, and Jeongwoo Lee, “Turbocharging effects on emissions reduction and thermal efficiency under diesel/natural gas dual-fueled combustion”, International Journal of Automotive Technology 23.6 (2022)

• Sechul Oh, Junho Oh, Hyeong-Jun Jang, Seokhwan Lee, Sunyoup Lee, Changgi Kim, and Jeongwoo Lee, "Effects of piston shape and nozzle specifications on part-load operation of natural gas–diesel dual-fuel RCCI engine and its application to high load extension", Fuel 328 (2022): 125361.

• Junho Oh, Sechul Oh, Changgi Kim, Sunyoup Lee, Seokhwan Lee, HyungJun Jang, and Jeongwoo Lee, "Effect of multi-angle diesel injector nozzle on emission and efficiency of natural gas/diesel dual-fuel combustion in compression ignition engine." Fuel 316 (2022): 123442.

• Cheolwoong Park, Yongrae Kim, Sechul Oh, Junho Oh, Young Choi, Hongkil Baek, Seung Woo Lee, and Kyeonghyeon Lee, "Effect of fuel injection timing and injection pressure on performance in a hydrogen direct injection engine" International Journal of Hydrogen Energy 47.50 (2022): 21552-21564.

• Sunyoup Lee, Wonbin Choi, Changgi Kim, Seokhwan Lee, Sechul Oh, and Jeongwoo Lee, “Effects of overall-equivalence ratios by varying intake pressures and exhaust gas recirculation rates on the natural gas/diesel dual-fuel combustion at a high load condition”, International Journal of Automotive Technology 23.1 (2022): 149-158.

  2021

• Sechul Oh, Cheolwoong Park, Ducduy Nguyen, Seonyeob Kim, Yongrae Kim, Young Choi, and Jeongwoo Lee, “Investigation on the operable range and idle condition of hydrogen-fueled spark ignition engine for unmanned aerial vehicle (UAV)” Energy 237 (2021): 121645.

• Sechul Oh, Cheolwoong Park, Seonyeob Kim, Yongrae Kim, Young Choi, and Changgi Kim, "Natural gas–ammonia dual-fuel combustion in spark-ignited engine with various air–fuel ratios and split ratios of ammonia under part load condition." Fuel 290 (2021): 120095.

• Cheolwoong Park, Sechul Oh, Changgi Kim, and Young Choi, "Control methods for variations in natural gas composition in air–fuel controlled natural gas engines." Energy Reports 7 (2021): 942-950.

• Cheolwoong Park, Yongrae Kim, Sechul Oh, Junho Oh, and Young Choi, "Effect of the operation strategy and spark plug conditions on the torque output of a hydrogen port fuel injection engine." International Journal of Hydrogen Energy 46.74 (2021): 37063-37070.

• Seokhwan Lee, Changgi Kim, Sunyoup Lee, Sechul Oh, Junghwan Kim, and Jeongwoo Lee, "Characteristics of non-methane hydrocarbons and methane emissions in exhaust gases under natural-gas/diesel dual-fuel combustion." Fuel 290 (2021): 120009.

• Cheolwoong Park, Sechul Oh, Changgi Kim, Young Choi, and Youngcheol Ha, "Effect of natural gas composition and gas interchangeability on performance and emission characteristics in an air–fuel controlled natural gas engine." Fuel 287 (2021): 119501.

• Seokwon Cho, Chiheon Song, Namho Kim, Sechul Oh, Dong Han, and Kyoungdoug Min, “Influence of the wall temperatures of the combustion chamber and intake ports on the charge temperature and knock characteristics in a spark-ignited engine”, Applied Thermal Engineering 182 (2021): 116000.

  2019

• Yirop Kim, Myoungsoo Kim, Sechul Oh, Woojae Shin, Seokwon Cho, and Han Ho Song, “A new physics-based modeling approach for a 0D turbulence model to reflect the intake port and chamber geometries and the corresponding flow structures in high-tumble spark-ignition engines”, Energies, 12(10), 1898., 2019

• Seokwon Cho, Jihwan Park, Chiheon Song, Sechul Oh, Sangyul Lee, Minjae Kim, and Kyoungdoug Min “Prediction modeling and analysis of knocking combustion using an improved 0D RGF model and supervised deep learning”, Energies 2019, 12, 844.

  2018