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Analysis of Cylinder Bore Distortion During Engine Operation
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English
Abstract
A calculation method of the bore distortion during engine operation was developed. This method can consider the sliding effect of the cylinder head on the top dock of the cylinder block. The bore distortion during engine operation calculated by this method agrees with that measured by Fujimoto, better than that calculated by conventional method. Calculated results for a Toyota 4-cylinder in-line 1.5L engine showed that thermal distortion has larger effects on the cylinder bore distortion during engine operation than cylinder head clamping distortion.
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Abe, S. and Suzuki, M., "Analysis of Cylinder Bore Distortion During Engine Operation," SAE Technical Paper 950541, 1995, https://doi.org/10.4271/950541.Also In
Applications and Developments in New Engine Design and Components
Number: SP-1071; Published: 1995-02-01
Number: SP-1071; Published: 1995-02-01
References
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- Belloni F. et al. “Thermal Field Prediction and Structural Analysis of an Automotive Engine Block” SAE Paper, 905188 1990
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- Fujimoto H. ets al. “Measurement of Cylinder Bore Deformation During Actual Operating Engines” SAE Paper, 910042 1991
- Dunaevvsky “Analysis of Distortions of Cylinders and Conformability of Position Rings” Tribology Transactions 33 33 40 1990