1998-02-23

Cylinder Liner Deformation Analysis - Measurements and Calculations 980567

Modern passenger car engines are designed to operate at increasingly higher rated engine speeds with higher thermal loads. To reduce engine weight and length, the engines are usually siamesed without a cooling path between the cylinder liners. This leads to high temperatures in the siamesed area and to an increase in liner deformation.
The distortion of the cylinder liners of internal combustion engines has a significant affect on engine operation. It can affect the oil consumption, the blow-by, the wear behavior and, due to friction, the fuel consumption. In order to achieve future requirements regarding exhaust emissions and fuel consumption, the development of low distortion engine blocks will play a significant role.

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