Estudo experimental de um mancal de folha

Experimental study of an aerostatic radial foil bearing. A vertical shaft is supported axially by an air lubricated thrust bearing and radially by two foil bearings, each one made up of 3 segments of foils around the shaft, and tensioned by pulling rods. Compressed air is injected between the contact surfaces to obtain separation. Separation is measured as a function of the injected air pressure and the tension at the foils. The operation tests showed a stable performance from 2000 to 16200 rpm and total absense of contact between the foils and the shaft over 9300 rpm. Measurements of the stifness of the bearings showed values much lower than the stifness of the film of lubricant. A simple theorectical calculation of the main parameters of the bearing was made based on the conventional theory for rigid pads aerostatic bearings, showing good aproximation of experimental results.

Grantor dc:publisher

Universidade Federal do Rio de Janeiro

Year dc:date.issued

1979

Author dc:creator

• Gonçalves, Sergio Exel

Advisor dc:contributor.advisor

• Scieszko, Jan Leon

• Mancais
• Lubrificação
• Estudo de caso

Statement dc:rights

• Acesso Aberto

Language dc:language

por

Handle dc:identifier.uri

http://hdl.handle.net/11422/3597

OAI identifier oai:identifier

oai:pantheon.ufrj.br:11422/3597