Article Dans Une Revue Mechanics Based Design of Structures and Machines Année : 2024

A method to develop a high-fidelity gearbox thermal model based on limited temperature measurements

Résumé

This paper presents a method to create a high-fidelity gearbox thermal model. A hybrid analytical-empirical model is presented, it is based on the thermal network approach and experiments are used to determine some unknown parameters of the model. A test campaign was led on a four stages helical gear unit and consisted of cooling measurements, no-load tests and loaded tests. These experiments were performed under different rotational speeds and loads. The results show that the developed thermal model provides an accurate prediction of the thermal behavior of different components of the gearbox (namely rolling element bearings and oil) by only using few thermal sensors. These results are corroborated by power losses measurements which demonstrate that the model can estimate the gear unit efficiency.

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hal-04706387 , version 1 (08-10-2024)

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Antonin Monot, Thomas Touret, Christophe Changenet, Fabrice Ville, Thierry Grandgeorge, et al.. A method to develop a high-fidelity gearbox thermal model based on limited temperature measurements. Mechanics Based Design of Structures and Machines, 2024, ⟨10.1080/15397734.2024.2383962⟩. ⟨hal-04706387⟩
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