Development of measuring method for oil film pressure of engine main bearing by thin film sensor |
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| Institution: | 1. Kyoto university, c1S09, C3, Kyotodaigaku Katsura, Nisikyo-ku, Kyoto, 615-8540, Japan;2. Kyoto university, c1S07, C3, Kyotodaigaku Katsura, Nishikyo-ku, Kyoto, 615-8540, Japan |
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| Abstract: | In this study, a thin film pressure sensor made of manganin was developed by means of sputtering. The sensor was formed directly on the sliding surface of a plain bearing, and oil film pressure measurement during engine operation was carried out successfully. The formation method and characteristics of the sensor are presented in this paper, together with the measured data, taking account of instantaneous temperature fluctuation occurring during one cycle and deformation of the bearing, which would cause measurement error. |
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