Design and Optimization of a Variable Displacement Vane Pump for High Performance IC Engine Lubrication: Part 2 – Lumped Parameters Numerical Analysis

M. Milani; F. Paltrinieri; F. Tosetti; A. Bianchini; G. Ferrara; L. Ferrari

doi:10.4271/2009-01-1064

2009-04-20

Design and Optimization of a Variable Displacement Vane Pump for High Performance IC Engine Lubrication: Part 2 – Lumped Parameters Numerical Analysis 2009-01-1064

In this paper a detailed analysis focused on lumped parameters numerical modeling of a variable displacement vane pump for high speed internal combustion engine lubrication is presented and discussed. This particular volumetric unit is characterized by very extreme performance, both in terms of rotational speed, delivery pressure and displacement variation.

First of all, a comprehensive description of the simulation environment properly tailored for the numerical modeling of the vane pump operation is introduced and all its geometric, kinematic and fluid-dynamic characteristics are described in depth. Then, the results coming from an exhaustive experimental campaign have been compared with simulations, finding a general good accordance that demonstrates the reliability of this numerical approach. Finally, the capabilities of the validated model have been applied to investigate the influence exerted by the main geometrical parameters and internal leakages on the pump fluid dynamic behavior.

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Design and Optimization of a Variable Displacement Vane Pump for High Performance IC Engine Lubrication: Part 2 – Lumped Parameters Numerical Analysis 2009-01-1064

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