Abstract

Quantitative measurement of the thickness of oil film within the piston-cylinder clearance was made on a reciprocating compressor. The distribution of oil film thickness is said to influence the oil consumption rate as well as the intensity of piston slap which is inherent in reciprocating machinery . PLIF method was used for visualizing and measuring the thickness of the film. By the usage of the glass cylinder the simultaneous distribution of the film thickness was visualized. Calibration of thickness measurement was made possible with the use of standard block gauges. Influence of various design parameters and running conditions are discussed on the the distribution of the oil film thickness.

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