- C.H. Lee, E. Tomota, N. Kawahara, K.B. Lim, M.C. Kim, In-Cylinder Temperature Measurement using Heterodyne Interferometry with Spark-Plug-in Fiber-Optic Sensor, KSAE Annual Conference, Jeju, 2009: 145-150
- C.H. Lee, E. Tomota, N. Kawahara E. Inoshita, Gas Temperature Measurement in a DME-HCCI Engine Using Heterodyne Interferometry With Spark-Plug-In Fiber-Optic Sensor, SAE/JSAE International Conference, SAE 2007-01-1848, Kyoto(Japan), 2007
- C.H. Lee, E. Tomita, K.H. Lee, Characteristics of Combustion Stability and Emission in SCCI and CAI Combustion Based on Direct-Injection Gasoline Engine, JSAE/SAE international Conference, SAE2007-01-1872, Kyoto(Japan), 2007
- C.H. Lee, K.H. Lee, K.B. Lim, B.K. Kim, An Study on the Stratified Combustion Characteristics according to intake temperatures and compression ratios in a Direction Injection Gasoline Engine, KSAE Spring Conference, Busan, 2005:86-91
- C.H. Lee, K.H. Lee , K.B. Lim, The Spray characteristics of Swirl and Slit Injector Used to DISI Engine Using LIEF and Mie-scattering Method, ILASS-ASIA 2004, Seoul(Korea), 2005
- C.H. Lee, K.H. Lee , K.B. Lim, An Experimental Study on the Stratified Combustion Characteristics in a Direction Injection Gasoline Engine, VSAE, Hanoi(Vietnam), 2005
- C.H. Lee, K.H. Lee, H.M. Kim, An Experimental Study on the Flow Characteristics and the Stratification effects in Visualization Engine Using the DPIV Technique, 3th of Korean Society of Fluids Engineering conference, Muju, 2004:243-243
- C.H. Lee, K.H. Lee, Y.J. Choi, K.M. Hwang, A Study on the Spray Behaviors of Swirl and Slit Injector to Direct Injection Spark Injection Engine, KSAE Spring Conference, Peaungteck, 2004:28-34
- C.H. Lee, K.H. Lee , A study on the effect of stratified mixture formation on combustion characteristics in a constant volume combustion chamber, ATI/TFI 2004, Sendai(Japan), 2004.
- J.S, Byun, C.H. Lee, K.H. Lee, A Study on Stratification Combustion Characteristics according to Mixture Distribution in a Constant Volume Combustion Chamber, KSAE Annual Conference, Busan, 2003:69-74
- C.H. Lee, K.H. Lee, J.I. Bae, S.K. Baik, An Experimental Study on the Spray Behavior Characteristic and Stratification Effect According to the Injection Timings of GDI Injector, KSME Annual Conference, 2002: 2343-2349
- J.Y. Jung, C.H. Lee, K.H. Lee, A Study on Combustion Characteristics according to Mixture Gas Distribution in the Constant Volume Combustion Chamber, KSME Annual Conference, 2002: 2521-2527
- C.H. Lee, K.H. Lee, J.I. Bae, S.K. Baik, A Study on the Macro- scope Spray Characteristic of Homogeneous Degree for the GDI injector According to Mixture(Gasoline-Diesel) Ratio Using the Entropy Analysis, Jeju, KSAE Spring Conference, 2002:9-16
- C.H. Lee, K.H. Lee, J.D. Ryu, C.S. Lee, Experimental Study on the spray Behavior and Mixture Formation of GDI Injectors Using the Entropy Analysis,15th Annual Conference on Liquid Atomization and Spray Systems, ILASS Americas, Wisconsin, 2002