ピストン挙動の解析 : 第1報,ピストン横方向加速度の計測

概要

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The piston movement in a gasoline engine was experimentally analyzed by measuring the transverse acceleration of the piston itself and the clearance between the piston and the cylinder wall. The vibration characteristics induced by the piston slaps have been conventionally investigated by measuring the surface vibrations of the outside of the cylinder wall or the cylinder block. There have been few reports on the direct measurement of the piston transverse acceleration. We measured the transverse acceleration with accelerometers attached to the inside of a piston and the connecting rod fitted-type of linkage mechanism. We compared it with the piston attitudes obtained from the measured clearance. This report describes the research of the transverse acceleration and the clearance measurements at various engine speeds, loads and temperatures of the cooling water. Their measured results are found to have a good correspondence on the piston slaps.
社団法人日本機械学会の論文
1989-03-25