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Cheolwoong Park

Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research

Korea, Republic of (South Korea)

  • Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research

SCHOLARLY PAPERS

29

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1,496

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33

Scholarly Papers (29)

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1.

Effect of Fuel Injection Timing and Injection Pressure on Performance in a Hydrogen Direct Injection Engine

Number of pages: 27 Posted: 21 Oct 2021
Cheolwoong Park, Yongrae Kim, Sechul Oh, Junho Oh and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University - Division of Mechanical System Engineering and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 171 (440,151)
Citation 2

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Hydrogen, In-cylinder direct injection, Fuel injection timing, Fuel injection pressure, Torque, Efficiency

2.

Effect of Compression Ratio Increase and High-Flow Rate Injection on Combustion Characteristics of Ammonia Direct Injection Si Engine

Downloads 161 (464,454)

Effect of Compression Ratio Increase and High-Flow Rate Injection on Combustion Characteristics of Ammonia Direct Injection Si Engine

Number of pages: 28 Posted: 30 Aug 2024
Cheolwoong Park, Yonghun Jang, Ilpum Jang, Jeongwoo Lee, Chanki Min, Minki Kim, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, Chungnam National University, Jeonbuk National University, Hyundai Motor Group, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 59 (986,385)

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ammonia, in-cylinder direct injection, compression ratio, high-flow rate injector

Effect of Compression Ratio Increase and High-Flow Rate Injection on Combustion Characteristics of Ammonia Direct Injection Si Engine

Number of pages: 28 Posted: 11 Apr 2024
Cheolwoong Park, Ilpum Jang, Yonghun Jang, Jeongwoo Lee, Chanki Min, Minki Kim, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, Jeonbuk National University, Jeonbuk National University, Hyundai Motor Group, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 37 (1,252,562)

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Ammonia, In-Cylinder Direct Injection, Compression Ratio, Thermal efficiency, high-flow rate injector, Energy loss

Effect of Compression Ratio Increase and High-Flow Rate Injection on Combustion Characteristics of Ammonia Direct Injection Si Engine

Number of pages: 28 Posted: 08 May 2024
Cheolwoong Park, Yonghun Jang, Ilpum Jang, Jeongwoo Lee, Chanki Min, Minki Kim, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, Chungnam National University, Jeonbuk National University, Hyundai Motor Group, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 25 (1,430,393)

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Ammonia, in-cylinder direct injection, Compression ratio, thermal efficiency, high-flow rate injector, energy loss

Effect of Compression Ratio Increase and High-Flow Rate Injection on Combustion Characteristics of Ammonia Direct Injection Si Engine

Number of pages: 28 Posted: 05 Mar 2024
Cheolwoong Park, Yonghun Jang, Ilpum Jang, Jeongwoo Lee, Chanki Min, Minki Kim, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, Chungnam National University, Jeonbuk National University, Hyundai Motor Group, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 24 (1,445,011)

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Ammonia, In-Cylinder Direct Injection, Compression ratio, thermal efficiency, high-flow rate injector, Energy loss

Effect of Compression Ratio Increase and High-Flow Rate Injection on Combustion Characteristics of Ammonia Direct Injection Si Engine

Number of pages: 28 Posted: 17 Jul 2024
Cheolwoong Park, Yonghun Jang, Ilpum Jang, Jeongwoo Lee, Chanki Min, Minki Kim, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, Chungnam National University, Jeonbuk National University, Hyundai Motor Group, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 16 (1,548,841)

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ammonia, in-cylinder direct injection, compression ratio, thermal Efficiency, high-flow rate injector, energy loss

3.

Power Improvement of Turbocharged Hydrogen Direct Injection Engine with Lean Boosting Strategy in Nox-Free Operation

Downloads 101 (684,672)

Power Improvement of Turbocharged Hydrogen Direct Injection Engine with Lean Boosting Strategy in Nox-Free Operation

Number of pages: 26 Posted: 20 Aug 2022
Changgi Kim, Cheolwoong Park, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 53 (1,049,673)

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hydrogen, In-cylinder direct injection, Lean boositng, Turbocharger, Torque, NOx free

Power Improvement of Turbocharged Hydrogen Direct Injection Engine with Lean Boosting Strategy in Nox-Free Operation

Number of pages: 26 Posted: 27 Sep 2022
Changgi Kim, Cheolwoong Park, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 48 (1,107,422)

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Hydrogen, In-cylinder direct injection, Lean boositng, Turbocharger, torque, NOx free

4.

Combustion and Emission Characteristics of High-Pressure Ammonia Direct Injection Marine Dual-Fuel Engine

Downloads 93 (725,554)

Combustion and Emission Characteristics of High-Pressure Ammonia Direct Injection Marine Dual-Fuel Engine

Number of pages: 26 Posted: 14 Mar 2024
Cheolwoong Park, Yonghun Jang, Ilpum Jang, Minki Kim and Yongrae Kim
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM)
Downloads 47 (1,119,531)

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ammonia, in-cylinder direct injection, micro-pilot injection, energy fraction, power, emissions

Combustion and Emission Characteristics of High-Pressure Ammonia Direct Injection Marine Dual-Fuel Engine

Number of pages: 26 Posted: 13 Jul 2024
Cheolwoong Park, Yonghun Jang, Ilpum Jang, Minki Kim and Yongrae Kim
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM)
Downloads 46 (1,131,842)

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Ammonia, in-cylinder direct injection, micro-pilot injection, energy fraction, power, emissions

5.

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

Number of pages: 27 Posted: 16 Feb 2022
Yongrae Kim, Cheolwoong Park, Junho Oh, Sechul Oh, Young Choi and Jeongwoo Lee
Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research and Jeonbuk National University
Downloads 82 (790,029)
Citation 4

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Brake power, Direct injection (DI), Excessive air ratio (λ), Hydrogen, Knocking, Port Fuel Injection (PFI)

6.

Effect of Fuel Injection Timing on Performance and Emissions with Dedicated Direct Injector in a Hydrogen Engine

Downloads 79 (830,555)

Effect of Fuel Injection Timing on Performance and Emissions with Dedicated Direct Injector in a Hydrogen Engine

Number of pages: 28 Posted: 15 Feb 2022
Cheolwoong Park, Yongrae Kim, Junho Oh, Jiseon Choi and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM), Jeonbuk National University - Division of Mechanical System Engineering, affiliation not provided to SSRN and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 49 (1,107,422)

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hydrogen, In-cylinder direct injection, Dedicated hydrogen direct injector, Fuel injection timing, Torque, Emissions

Effect of Fuel Injection Timing on Performance and Emissions with Dedicated Direct Injector in a Hydrogen Engine

Number of pages: 28 Posted: 22 Aug 2022
Cheolwoong Park, Yongrae Kim, Junho Oh, Jiseon Choi and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM), Jeonbuk National University - Division of Mechanical System Engineering, affiliation not provided to SSRN and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 30 (1,385,838)

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Hydrogen, In-cylinder direct injection, Dedicated hydrogen direct injector, Fuel injection timing, Torque, Emissions

7.

Operable Range Extension of Ammonia Direct Injection Spark Ignition Engine by Hydrogen Addition

Downloads 62 (942,565)
Citation 2

Operable Range Extension of Ammonia Direct Injection Spark Ignition Engine by Hydrogen Addition

Number of pages: 25 Posted: 02 May 2023
Jeongwoo Lee, Cheolwoong Park, Yonghun Jang, Yongrae Kim and Young Choi
Jeonbuk National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 28 (1,385,838)

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ammonia, Brake thermal efficiency, Combustion stability, nitrogen oxides, hydrogen, Operable range

Operable Range Extension of Ammonia Direct Injection Spark Ignition Engine by Hydrogen Addition

Number of pages: 25 Posted: 28 Jul 2023
Jeongwoo Lee, Yonghun Jang, Cheolwoong Park, Yongrae Kim and Young Choi
Jeonbuk National University, Jeonbuk National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 17 (1,537,408)

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Ammonia, brake thermal efficiency, combustion stability, Nitrogen oxides, hydrogen, Operable range

Operable Range Extension of Ammonia Direct Injection Spark Ignition Engine by Hydrogen Addition

Number of pages: 25 Posted: 19 Sep 2023
Jeongwoo Lee, Yonghun Jang, Cheolwoong Park, Yongrae Kim and Young Choi
Jeonbuk National University, Jeonbuk National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 17 (1,537,408)
Citation 2

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Ammonia, brake thermal efficiency, Combustion stability, Nitrogen oxides, Hydrogen, Operable range

8.

Combustion Analysis and Flame Visualization of a Marine Ammonia-Diesel Dual-Fuel Engine with Micro-Pilot Injector Variations

Downloads 59 (980,173)

Combustion Analysis and Flame Visualization of a Marine Ammonia-Diesel Dual-Fuel Engine with Micro-Pilot Injector Variations

Number of pages: 47 Posted: 12 Nov 2025
Ilpum Jang, Chansoo Park, Minki Kim, Hyungjun Jang, Gyeongtae Park, Kyunghun Kim, Jeongwoo Lee and Cheolwoong Park
Chungnam National University, affiliation not provided to SSRN, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM), Chungnam National University, Chungnam National University, Jeonbuk National University and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 45 (1,157,169)

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Ammonia, Diesel, Dual-fuel engine, Flame visualization, Spray overlap

Combustion Analysis and Flame Visualization of a Marine Ammonia-Diesel Dual-Fuel Engine with Micro-Pilot Injector Variations

Number of pages: 47 Posted: 28 Feb 2026
Ilpum Jang, Chansoo Park, Minki Kim, Hyungjun Jang, Gyeongtae Park, Kyunghun Kim, Jeongwoo Lee and Cheolwoong Park
Chungnam National University, affiliation not provided to SSRN, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM), Chungnam National University, Chungnam National University, Jeonbuk National University and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 14 (1,570,077)

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Ammonia, diesel, dual-fuel engine, Flame visualization, Spray overlap

9.

Investigation on the Reduction in Unburned Ammonia and Nitrogen Oxide Emissions from Ammonia Direct Injection Si Engine by Using SCR After-Treatment System

Downloads 59 (970,490)

Investigation on the Reduction in Unburned Ammonia and Nitrogen Oxide Emissions from Ammonia Direct Injection Si Engine by Using SCR After-Treatment System

Number of pages: 29 Posted: 25 Jul 2024
Cheolwoong Park, Yonghyun Choi, Gyeongtae Park, Ilpum Jang, Minki Kim, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM), Chungnam National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 44 (1,157,169)

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Ammonia, in-cylinder direct injection, SCR after-treatment system, oxygen addition, conversion efficiency, operating condition

Investigation on the Reduction in Unburned Ammonia and Nitrogen Oxide Emissions from Ammonia Direct Injection Si Engine by Using Scr After-Treatment System

Number of pages: 29 Posted: 03 Jul 2024
Cheolwoong Park, Yonghyun Choi, Gyeongtae Park, Ilpum Jang, Minki Kim, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM), Chungnam National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 15 (1,559,710)

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ammonia, in-cylinder direct injection, SCR after-treatment system, oxygen addition, conversion efficiency, operating condition

10.

Energy and Environmental Comparison of Diesel and Ammonia-Diesel Dual-Fueled Combustion in a Single-Cylinder Marine Engine Under Varying Loads

Downloads 53 (1,041,696)

Energy and Environmental Comparison of Diesel and Ammonia-Diesel Dual-Fueled Combustion in a Single-Cylinder Marine Engine Under Varying Loads

Number of pages: 36 Posted: 03 Apr 2025
Ilpum Jang, Cheolwoong Park, Gyeongtae Park, Jongyoon Son, Minki Kim, Chansoo Park, Yongrae Kim and Jeongwoo Lee
Chungnam National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), affiliation not provided to SSRN, Korea Institute of Machinery and Materials (KIMM) and Jeonbuk National University
Downloads 32 (1,341,098)

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Ammonia, Carbon dioxides, Diesel, efficiency, Global warming potential, Marine engine

Energy and Environmental Comparison of Diesel and Ammonia-Diesel Dual-Fueled Combustion in a Single-Cylinder Marine Engine Under Varying Loads

Number of pages: 36 Posted: 08 May 2025
Ilpum Jang, Cheolwoong Park, Gyeongtae Park, Jongyoon Son, Minki Kim, Chansoo Park, Yongrae Kim and Jeongwoo Lee
Chungnam National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), affiliation not provided to SSRN, Korea Institute of Machinery and Materials (KIMM) and Jeonbuk National University
Downloads 21 (1,486,852)

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Ammonia, carbon dioxides, diesel, efficiency, global warming potential, Marine engine

11.

Experimental Approach for Reducing Nitrogen Oxides Emissions from Ammonia–Natural Gas Dual-Fuel Spark-Ignition Engine

Number of pages: 31 Posted: 25 Jul 2022
Sechul Oh, Cheolwoong Park, Myungguen Ahn, Hyungjun Jang and Seonyeob Kim
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, affiliation not provided to SSRN, Korea Institute of Machinery and Materials (KIMM) and affiliation not provided to SSRN
Downloads 50 (1,063,489)
Citation 6

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Ammonia, Natural gas, Spark-ignition engine, nitrogen oxide, Reduction, Global Warming Potential

12.

Effect of Ammonia and Diesel Fuel Injection Pressure on Combustion Characteristics of High-Pressure Ammonia Direct Injection Marine Dual Fuel Engine

Number of pages: 27 Posted: 13 Mar 2025
Cheolwoong Park, Chansoo Park, Ilpum Jang, Minki Kim, Gyeongtae Park and Yongrae Kim
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, affiliation not provided to SSRN, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Chungnam National University and Korea Institute of Machinery and Materials (KIMM)
Downloads 47 (1,133,231)

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Ammonia, in-cylinder direct injection, micro-pilot injection, energy fraction, fuel injection pressure, Emissions

13.

Experimental Research on the Effect of Diesel Post-Injection Conditions on the Performances in a Single-Cylinder Four-Stroke Marine Engine Fueled with Ammonia and Diesel

Number of pages: 40 Posted: 01 Oct 2024
Jeongwoo Lee, Cheolwoong Park, Ilpum Jang, Minki Kim, Gyeongtae Park and Yongrae Kim
Jeonbuk National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Chungnam National University and Korea Institute of Machinery and Materials (KIMM)
Downloads 45 (1,145,425)

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Ammonia, brake thermal efficiency, carbon dioxides, diesel, four-stroke marine engine, global warming potential

14.

Combustion and Emissions Characteristics of Natural Gas-Ammonia Dual-Fuel Spark-Ignited Engine in Full-Load Condition

Number of pages: 32 Posted: 23 Dec 2021
Sechul Oh, Cheolwoong Park, Junho Oh, Young Choi and Changgi Kim
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University - Division of Mechanical System Engineering, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 43 (1,145,425)
Citation 3

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Ammonia, maritime engine, natural gas, spark-ignition marine engine, Nitrogen oxides, combustion duration

15.

Effect of Oxygen Concentrations in Intake Air on Combustion Characteristics of Ammonia Direct Injection Si Engine

Number of pages: 26 Posted: 15 May 2024
Cheolwoong Park, Ilpum Jang, Gyeongtae Park, Chanki Min, Minki Kim, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, Chungnam National University, Hyundai Motor Group, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 36 (1,236,159)
Citation 3

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Ammonia, in-cylinder direct injection, oxygen addition, thermal Efficiency, burning speed, energy loss

16.

Study on the Calculation Combustion Inefficiency as Varying Inlet Oxygen Concentrations in an Ammonia-Fueled Spark Ignition Engine

Number of pages: 41 Posted: 10 Apr 2025
Jongyoon Son, Cheolwoong Park, Ilpum Jang, Gyeongtae Park, Minki Kim, Yongrae Kim, Chansoo Park, Sungkyu Kim and Jeongwoo Lee
Chungnam National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM), affiliation not provided to SSRN, affiliation not provided to SSRN and Jeonbuk National University
Downloads 35 (1,263,436)

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Ammonia, Combustion inefficiency, Heat release rate, Latent heat, Spark ignition engine, Specific heat ratio

17.

Evaluation of Control Strategy on Operation Range Expansion of High-Pressure Ammonia Direct Injection Marine Dual Fuel Engine

Number of pages: 27 Posted: 12 Mar 2024
Cheolwoong Park, Yonghun Jang, Ilpum Jang, Minki Kim and Yongrae Kim
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM)
Downloads 35 (1,249,711)
Citation 3

Abstract:

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Ammonia, in-cylinder direct injection, micro-pilot injection, energy fraction, power, emissions

18.

Energy and Environmental Comparison of Diesel and Ammonia-Diesel Dual-fueled Combustion in a Single-Cylinder Marine Engine Under Varying Loads

Number of pages: 36 Posted: 18 Nov 2025
Ilpum Jang, Cheolwoong Park, Gyeongtae Park, Jongyoon Son, Minki Kim, Chansoo Park, Yongrae Kim and Jeongwoo Lee
Chungnam National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), affiliation not provided to SSRN, Korea Institute of Machinery and Materials (KIMM) and Jeonbuk National University
Downloads 33 (1,290,922)

Abstract:

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ammonia, Carbon dioxides, Diesel, efficiency, Global warming potential, Marine engine

19.

Effect of Ammonia and Natural Gas Co-Fueling on Combustion and Greenhouse Gas Emissions in a Marine Diesel Engine

Number of pages: 30 Posted: 22 Sep 2025
Gyeongtae Park, Cheolwoong Park, Ilpum Jang, Chansoo Park, Minki Kim, Kyunghun Kim, Yongrae Kim and Jeongwoo Lee
Chungnam National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, affiliation not provided to SSRN, Korea Institute of Machinery and Materials (KIMM), Chungnam National University, Korea Institute of Machinery and Materials (KIMM) and Jeonbuk National University
Downloads 33 (1,290,922)

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Ammonia, Diesel, Dual-fuel combustion, Global warming potential, Marine engine, Natural gas

20.

Experimental Investigation of Operating Conditions on Performance and Emissions of a Spark Ignition Ammonia Direct Injection Engine

Number of pages: 26 Posted: 21 Nov 2023
Cheolwoong Park, Yonghun Jang, Chanki Min, Yongrae Kim and Young Choi
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, Hyundai Motor Group, Korea Institute of Machinery and Materials (KIMM) and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 31 (1,318,317)
Citation 10

Abstract:

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ammonia, In-cylinder direct injection, Hydrogen addition, Torque, Speed, operation range

21.

Analysis and Visualization of Micro-Pilot Diesel Injection Timing in a High-Pressure Direct Injection Ammonia-Diesel Dual-Fuel Marine Engine

Number of pages: 49 Posted: 11 Sep 2025
Chansoo Park, Ilpum Jang, Minki Kim, Hyungjun Jang, Gyeongtae Park, Kyunghun Kim and Cheolwoong Park
affiliation not provided to SSRN, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM), Chungnam National University, Chungnam National University and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 30 (1,332,057)

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Ammonia, Direct injection, Dual-fuel marine engine, Diesel injection timing, Flame imaging.

22.

Effect of High Compression Ratio on Combustion Stability of High-Pressure Ammonia Direct Injection Marine Dual Fuel Engine

Number of pages: 28 Posted: 24 Sep 2024
Cheolwoong Park, Ilpum Jang, Minki Kim, Gyeongtae Park and Yongrae Kim
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Chungnam National University and Korea Institute of Machinery and Materials (KIMM)
Downloads 30 (1,318,317)

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ammonia, in-cylinder direct injection, micro-pilot injection, energy fraction, compression ratio, emissions

23.

Influence of Hydrogen on the Performance and Emissions Characteristics of a Spark Ignition Ammonia Direct Injection Engine

Number of pages: 29 Posted: 12 May 2023
Cheolwoong Park, Young Choi, Yonghun Jang, Seonyeob Kim and Yongrae Kim
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Jeonbuk National University, affiliation not provided to SSRN and Korea Institute of Machinery and Materials (KIMM)
Downloads 25 (1,385,945)

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Ammonia, In-Cylinder Direct Injection, Hydrogen addition, Torque, speed, operation range

24.

Study on the Calculation Method of Combustion Inefficiency Based on the Heat Release Rate as Varying Inlet Oxygen Concentrations in an Ammonia-Fueled Spark Ignition Engine

Number of pages: 32 Posted: 25 Feb 2025
Jongyoon Son, Cheolwoong Park, Ilpum Jang, Gyeongtae Park, Minki Kim, Yongrae Kim, Chansoo Park, Sungkyu Kim and Jeongwoo Lee
Chungnam National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM), affiliation not provided to SSRN, affiliation not provided to SSRN and Jeonbuk National University
Downloads 23 (1,411,822)

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Ammonia, Combustion inefficiency, Heat release rate, Latent heat, Spark ignition engine, Specific heat ratio

25.

Experimental Study on Improving Thermal Efficiency while Maintaining Low NOx Emissions in a Hydrogen–Gasoline Dual-Fuel SI Engine

Number of pages: 42 Posted: 05 Mar 2026
Kyunghun Kim, Yongrae Kim, Gyeongtae Park, Cheolwoong Park, Chansoo Park, Young Choi, Minki Kim, Sechul Oh, Sungkyu Kim and Jeongwoo Lee
Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Chungnam National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, affiliation not provided to SSRN, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, affiliation not provided to SSRN and Jeonbuk National University
Downloads 18 (1,518,554)

Abstract:

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Dual-fueled combustion, Direct injection, Gasoline, Hydrogen, Port injection, Spark ignition

26.

Effect of intake air temperature on combustion characteristics and operation range of high-pressure ammonia direct injection engine

Number of pages: 28 Posted: 05 Feb 2026
Cheolwoong Park, Minki Kim, Chansoo Park, Gyeongtae Park, Ilpum Jang, Yongrae Kim, Young Choi and Seung woo Lee
Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Korea Institute of Machinery and Materials (KIMM), affiliation not provided to SSRN, Chungnam National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research and affiliation not provided to SSRN
Downloads 18 (1,470,786)

Abstract:

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ammonia, In-cylinder direct injection, Intake air temperature, Combustion stability, Burning Speed, Operation range

27.

Techno-Economic and Environmental Assessment of Ammonia Fuel Scenario in Engine-Based Power Generation

Number of pages: 29 Posted: 08 Apr 2026
Gyeongtae Park, Cheolwoong Park, Chansoo Park, Kyunghoon Kim, Dongjun Kim and Jeongwoo Lee
Chungnam National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, affiliation not provided to SSRN, Chungnam National University, Chungnam National University and Jeonbuk National University
Downloads 16 (1,500,778)

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Ammonia fuel switching, Dual-fuel engine, Techno-Economic Analysis, Life-cycle assessment, Tank-to-wheel emissions, Greenhouse gas emissions, Global warming potential

28.

Optimization of In-Cylinder SNCR Strategy via Ammonia Post-Injection in a Natural Gas–Ammonia Dual-Fuel Spark-Ignition Engine Using a Zero-Dimensional Chemical-Kinetics Model

Number of pages: 31 Posted: 10 Mar 2026
Hanyoung Kim, Doyeon Kim, Mingyu Kim, Cheolwoong Park and Sechul Oh
Pusan National University, Pusan National University, Pusan National University, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research and Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research
Downloads 16 (1,509,872)

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ammonia–natural gas dual-fuel engine, post-injection, SNCR, nitrogen oxides

29.

Experimental Research on the Comparison of Combustion and Emissions Characteristics between Low-and High-pressure Ammonia Injections in a Marine Dual-fuel Engine

Number of pages: 48 Posted: 22 Apr 2026
Kyunghoon Kim, Chansoo Park, Cheolwoong Park, Gyeongtae Park, Ilpum Jang, Minki Kim, Hyungjun Jang, Dongjun Kim and Jeongwoo Lee
Chungnam National University, affiliation not provided to SSRN, Korea Institute of Machinery and Materials (KIMM) - Department of Engine Research, Chungnam National University, Chungnam National University, Korea Institute of Machinery and Materials (KIMM), Korea Institute of Machinery and Materials (KIMM), Chungnam National University and Jeonbuk National University
Downloads 12 (1,541,665)

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Ammonia, DF marine engine, High-pressure injection, ID, Low-pressure injection