| 2021-11 | Experimental study on the performance of a liquefied petroleum gas engine according to the air fuel ratio | 이기형 |
| 2004-05 | An experimental study on the spray behavior and fuel distribution of GDI injectors using the entropy analysis and PIV method | 이기형 |
| 2020-02 | Experimental Study on the Spray Characteristics of Ethanol Gasoline Blended Fuel in a Direct Injection System | 이기형 |
| 2006-10 | Experimental study on the stratified combustion characteristics according to compression ratio and intake temperature in a dig engine | 이기형 |
| 2005-03 | An Experimental Study on the Two-Stage Combustion Characteristics of a Direct-Injection-Type HCCI Engine | 이기형 |
| 2017-08 | Feasibility study on the black carbon reduction of the use of emulsion fuel in a diesel engine | 이기형 |
| 2021-01 | Fuel efficiency and exhaust characteristics of turbocharged diesel engine equipped with an electric supercharger | 이기형 |
| 2021-11 | Fuel properties of water emulsion fuel prepared using porous membrane method for low pollutant engine at various temperatures | 이기형 |
| 2023-10 | Fundamental Study for Applying a Propane Gas Injection System in a Small-Ship Engine | 이기형 |
| 1999-11 | GDI용 인젝터를 이용한 분사 조건별 분무형상의 특성 | 이기형 |
| 2006-11 | HC-DeNOx 촉매용 인젝터의 분무 거동 및 유동장 내 분포 특성 | 이기형 |
| 2007-02 | HC-DeNOx 촉매용 인젝터의 분무 특성 연구 | 이기형 |
| 2007-11 | HC-LNT 2차 분사의 배기관내 분무 거동과 NOx 저감 특성 | 이기형 |
| 2003-05 | HCCI 엔진용 스월 인젝터의 분무 특성에 관한 연구 | 이기형 |
| 2005-05 | HCCI 용 인젝터를 사용한 디젤 연료의 분무 및 증발 특성에 관한 연구 | 이기형 |
| 2016-05 | Influence of MFB50 control on emission dispersions according to engine parameter changes for passenger diesel engines | 이기형 |
| 2024-02 | Investigation of CO2 and PN emission characteristics according to the propane content for a LPG engine | 이기형 |
| 2003-10 | An Investigation of Design Parameter and Atomization Mechanism for Air Shrouded Injectors | 이기형 |
| 2007-10 | Investigation of emission reduction effect by controlling cooling system in a diesel engine | 이기형 |
| 2001-01 | Investigation of In-Cylinder Flow Patterns in 4 Valve S. I. Engine by Using Single-Frame Particle Tracking Velocimetry | 이기형 |
