ピストン挙動の解析 : 第2報, 樹脂コートのピストン横方向加速度への影響

概要

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In the 1st report, experimental results of piston movement were obtained by measuring the transverse acceleration of the piston itself and the clearance between the piston and the cylinder wall. The accuracy of the measurement of the transverse acceleration was recognized. In this report, the measured results of transverse acceleration of a piston with the outer surface of its skirt coated by resin are shown and compared with the results in the 1st report. The dynamic characteristics of the piston slap phenomena were investigated by spectral analysis of the transverse accelerations in the thrust and non-thrust sides. Then access noise of the engine was measured to investigate the effect of resin coating on access noise. From the above measurements, the resin coating was found to effectively reduce piston slap impact and engine noise.
1997-06-25