Browse Publications Technical Papers 2000-01-0529

Effect of Circulating Water Temperature Change on Sealing Performance of Cylinder Head Gaskets of Diesel Engines 2000-01-0529

Three types of cylinder head gaskets which were different in their structures and materials, were adopted for experimental study to describe cylinder head motions due to thermal cycle conditions. The experimental studies were conducted by measuring (1) the temperatures on the cylinder head gasket, the cylinder head, the cylinder block and head bolts,(2) the relative displacements of the cylinder head and block, (3) the axial tensions on the cylinder head bolts, and (4) the indicator diagram, on the engine testing with a specific thermal cycle.
Following conclusions were obtained as the results;
  • The effect of the change in circulating water temperature on the sealing function of cylinder head gaskets has become clear through this experimental study.
  • The mutual relationship between the deflection of the cylinder head and the temperature at the gasket and its peripheral region, has been able to estimate sufficiently from the results of the measurement.


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