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The Effects of an Abnormal Adjusting Intake and Exhaust Valves on the Combustion Characteristics of SI Engine  

Park Kyoung-Suk (경희대학교 테크노공학대학)
Son Sung-Man (경희대학교 기계공학과)
Publication Information
Abstract
The unbalance of the power output, noise, and vibration is happened by the disproportionate pressure variation in the cylinder. For this reason, decrease of the pressure in the cylinder and increase of the residual gas effect on the engine performance. If the abnormal combustion is continued, the crack would be occurred in the engine block. And it could be broken down. For the normal combustion of the SI engine, it is important to supply the balanced mixture by each operating condition. In this study, it was tested the combustion characteristics in the cylinder according to the abnormal adjusting of intake & exhaust valve. This test is willing to set a basic data's analysis fur developing an automotive diagnosis system by analyzing the pressure in the cylinder, the output signal of MAP sensor, the exhaust gas, etc.
Keywords
Abnormal combustion; Combustion characteristics; MAP sensor; Intake valve; Exhaust valve;
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Times Cited By KSCI : 2  (Citation Analysis)
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1 Ohm, I. Y., Jeong, K. S., Jeung, I. S., 'Fuel Behavior in the Cylinder during the Intake Process,' J. of the KSAE, Vol. 7, No.4, pp. 54-59,1999
2 Chung, J. W., Lee, K. H., Kim, W. T., 'A Study on the Steady Intake Flow Characteristics of the Intake 3-valve Cylinder Head,' J. of the KSME, Vol. 24, No. 6, pp. 880-885, 2000
3 Shayler, P. J, Jones, S. T., Hom, G., Eade, D., 'Characterization of DlSI Emissions and Fuel Economy in Homogeneous and Stratified Charge Modes of Operation,' SAE Paper, No. 2001-01-3671, 2001
4 Koch, T., Schanzlin, K., Boulouchos, K., 'Characterization and Phenomenological Modeling of Mixture Formation and Combustion in a Direct Injection Spark Ignition Engine,' SAE Paper, No. 2002-01-1138,2002
5 Limata, D. R., Hurt, R. F., Deller, R. W., Hull, W. L., 'Effect of Mixture Distribution on Exhaust Emissions as Indicated by Engine Data and the Hydraulic Analogy,' SAE Trans, 710618, 1971
6 Sawa, N., Sawa, M., 'On the Effect of the Pressure Wave on the Fuel Flow Amount in a Small Two-Stroke Cylinder Gasoline Engine,' The Transcript from the Memoojrs of the Muroran Institute of Technology, Vol. 5, No.2, 1966
7 Kim, C. E., Kim, Y. S., Park, S. K., 'A numerical study on the flow characteristics in cylinder,' J. ofthe KSPE, Vol. 7, No. 1, pp. 28-36,1990
8 Kim, M. S., Jin, S. H., Park, K. S., Lee, Y. G., 'Effect of Non-Uniform Mixture on the 4 Cylinder S.I. Engine Performance,' J. of the KSAE, Vol. 2, No.4, pp. 72-79, 1994