Development of Two-Dimensional Oil Film Thickness Distribution Measuring System

Paper #:
  • 952346

Published:
  • 1995-10-01
Citation:
Inagaki, H., Saito, A., Murakami, M., and Konomi, T., "Development of Two-Dimensional Oil Film Thickness Distribution Measuring System," SAE Technical Paper 952346, 1995, https://doi.org/10.4271/952346.
Pages:
11
Abstract:
A newly developed fluorescent diagnostic system can measure the oil film thickness distribution through two-dimensional images with high sensitivity and quick response. This system consists of a filtered Xe-flash lamp, a filtered charge-coupled-device video camera, a personal-computer-based signal analyzer and lubricating oil with the fluorescent dye added. We have installed the system in a single cylinder research engine and measured the oil film thickness distribution around the piston under various operating conditions. One example of the results is that an oil spout from a gap in the first compression ring, which agrees with the measured oil consumption rate of the engine, was clearly observed at high engine speed.
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