Analytical Solution of Piston Ring Pack Lubrication for Truck Air Brake Compressor

Paper #:
  • 1999-01-3769

Published:
  • 1999-11-15
Citation:
Yu, B., Sawicki, J., and Dunaevsky, V., "Analytical Solution of Piston Ring Pack Lubrication for Truck Air Brake Compressor," SAE Technical Paper 1999-01-3769, 1999, https://doi.org/10.4271/1999-01-3769.
Pages:
13
Abstract:
This paper presents an analytical solution of piston ring pack lubrication for two-cylinder truck air brake compressor. A system of nonlinear equations with seven variables was developed to describe lubrication phenomena of the piston ring pack for both fully flooded and starvation conditions. The full mass conservation boundary conditions defined by JFO ([14],[15]) theory were employed for complete description of the cavitation algorithm with enclosed and open cavitation patterns. Impact of the piston ring design parameters such as offset, crown height, and tension on the oil transport, lubrication conditions and friction losses of the compressor were discussed in details.
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