Numerical study in a mini trochoidal-gear pump with multi-meshing contact points
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Tipus de documentText en actes de congrés
Data publicació2016
EditorAmerican Society of Mechanical Engineers (ASME)
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Abstract
A numerical study in a mini trochoidal-gear pump based on an ingenious strategy to adapt the background mesh to the profiles shape and a new boundary condition is presented. The strategy achieves a final background mesh better adapted to the geometries and, additionally, the cells are more homogenous and less distorted when the trochodial-profiles are moved. The new boundary condition to simulate the multi-meshing contact points is applied at every time step by means of the viscous wall approach, a home-made ad-hoc code, which has been integrated in an OpenFOAM solver that also includes the dynamic mesh functionality by deforming the mesh following the trochoidal-gear rotation. The presented numerical study establishes the basis that will allow simulating more realistic aspects of a new design of a mini trochoidal-gear pump once the need for a continuous fluid domain is overcome reproducing actual contacts between the rotors and will guide to a better understanding of the new design.
CitacióGamez-Montero, P.J., Castilla, R., Buza, A., Khamashta, M., Codina-Macia, Esteban. Numerical study in a mini trochoidal-gear pump with multi-meshing contact points. A: BATH/ASME Symposium on Fluid Power and Motion Control. "Proceedings of the BATH/ASME 2016 Symposium on Fluid Power and Motion Control, FPMC2016, September 7-9, 2016, Bath, UK". Bath: American Society of Mechanical Engineers (ASME), 2016, p. 1-7.
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FPMC2016-1723.pdf | 2,576Mb | Accés restringit |