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Influence of thermal pressure and temperature profile approximations in thermohydrodynamic analysis of surface‐textured noncircular journal bearing
Author(s) -
B Bhasker,
Seetharamaiah N.,
Ramesh Babu P.
Publication year - 2021
Publication title -
heat transfer
Language(s) - English
Resource type - Journals
eISSN - 2688-4542
pISSN - 2688-4534
DOI - 10.1002/htj.21919
Subject(s) - surface (topology) , bearing (navigation) , thermal , mechanics , materials science , thermodynamics , mathematics , physics , geometry , computer science , artificial intelligence
The present study aims to study the thermohydrodynamic performance of noncircular journal bearings lubricated with multigrade oil. Experimental investigations are carried out on phosphorous bronze hydrodynamic journal bearing with a surface textured at different loading conditions with multigrade oil (MAK 2T oil) as lubricant at different constant rotational speeds (i.e., 1000–4000 rpm) for studying the dynamic characteristics. The journal‐bearing's thermodynamic behavior is analyzed by simplifying modified Reynolds and energy equations to obtain surface‐textured bearing performance characteristics, such as load‐carrying capacity, mass flow rate, and power loss. The noncircular bearings suggest several design parameters, such as a tilt angle for designers. By considering thermal effects for MAK 2T oil lubricant, the requirements of a specific application can be fulfilled.

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