Traction coefficient in a roller inner ring EHD contact in a jet engine roller bearing

• Tipo: Artigo em Revista Científica Internacional
• Data: 1997

Autores

sottomayor, a (Autor) Outra; campos, a (Autor) Outra; seabra, j (Autor) FEUP

Revista

Título: Wear

Vol. 209

Páginas: 274-283

ISSN: 0043-1648

Editora: Elsevier

Indexação

ISI Web of Knowledge - 8 Citações

ISI Web of Science

Scopus - 11 Citações

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia mecânica

Outras Informações

ID Authenticus: P-001-B0Q

DOI: 10.1016/s0043-1648(97)00013-6

Abstract (EN): A simplified non-newtonian EHD model developed previously is used for the analysis of a roller-inner ring contact in a jet engine roller bearing. The lubricant behaves according to the viscoelastic rheological model, with a Ree-Eyring fluid, and the lubricant parameters are function of the pressure, temperature and rolling speed. The traction coefficient results obtained with this model are compared with previous experimental results obtained in a twin-disk machine. Finally, the influence of the operating conditions (pressure, temperature, rolling speed and slide-to-roll ratio) and of the waviness of the contacting surfaces, on the traction coefficient inside the roller-inner ring contact, is analysed. (C) 1997 Elsevier Science S.A.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 10