Issue |
Mechanics & Industry
Volume 15, Number 5, 2014
|
|
---|---|---|
Page(s) | 393 - 402 | |
DOI | https://doi.org/10.1051/meca/2014046 | |
Published online | 08 August 2014 |
Preliminary modeling of the oil trapping between teeth for spur gears
1 Laboratoire de Mécanique, Thermique
et Matériaux (LMTM) de l’ENIM, Agdal, Rabat,
Maroc
2 Laboratoire de Mécanique des Contacts
et des Structures (LaMCoS) de l’ INSA
de Lyon, France
3 Laboratoire de Qualité, Sécurité et
Maintenance de l’EMI, Agdal, Rabat,
Maroc
a Corresponding
author:lasrienim@yahoo.fr
Received:
7
July
2013
Accepted:
28
May
2014
This study focuses on the phenomenon of oil trapping in the tooth spaces of spur gears. It presents the first obtained results in order to provide an estimation of the power losses due to the compression of the oil trapped between the inter teeth meshing spaces in a high-speed transmission for internal and external spur gears. It first allows, to model the inter teeth spaces at any time and offers limits for the trapped fluid volume and axial and radial discharge surfaces. The discretization impact result is discussed.Then, the influence of certain design and operating parameters such as module, pressure angle, addendum modification coefficient and rotational speed on these discharge surfaces and trapped volume is presented.
Key words: Design parameter energy losses / gear transmission / operating parameter / trapping
© AFM, EDP Sciences 2014
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