Experiments and Lattice-Boltzmann Simulation of Flow in a Vertically Aligned Gearbox
Artikel i vetenskaplig tidskrift, 2023

This paper presents a study of the oil flow in a vertically arranged FZG gearbox. The splash and churning losses are experimentally evaluated using measurements of the resistance torque. Using high speed imaging, the instantaneous oil splashing inside the gearbox is also presented and compared with Computational Fluid Dynamics (CFD) results from the Lattice-Boltzmann method (LBM), instead of the traditional grid-based finite volume method. Four different configurations, including a spur gear based on the standard FZG geometry and a disc pair wheel-pinion with the same tip diameters of the standard geometries are used. The experiments cover a range from 500 to 3000 rpm and three oil levels are studied. For the CFD simulations, the same oil levels and rotational speeds are used. The experimental results indicate torque differences depending on the oil level and the configuration. The splashing pattern is also different from the standard horizontal FZG case, which is typically studied in the literature. On the other hand, the CFD simulations and flow visualization experiments are in relative agreement with one another. The similarities and differences in the torque values for the different configurations and the splashing pattern for both experiments and CFD simulations are analyzed and discussed.

Författare

Bercelay Niebles Atencio

Chalmers, Mekanik och maritima vetenskaper, Strömningslära

Huadong Yao

Chalmers, Mekanik och maritima vetenskaper, Marin teknik

Valery Chernoray

Chalmers, Mekanik och maritima vetenskaper, Strömningslära

Journal of Tribology

0742-4787 (ISSN) 15288897 (eISSN)

Vol. 145 11

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Ämneskategorier

Tribologi

Teknisk mekanik

Strömningsmekanik och akustik

Annan elektroteknik och elektronik

Styrkeområden

Transport

Energi

Infrastruktur

C3SE (Chalmers Centre for Computational Science and Engineering)

DOI

10.1115/1.4062813

Mer information

Senast uppdaterat

2023-11-10