[HTML][HTML] Novel measurement and control system of universal journal bearing test rig for marine applications

NA Marey, AA Ali - Alexandria Engineering Journal, 2023 - Elsevier
A multi-purpose Universal Journal Bearing Test Rig (UJBTR) was designed and constructed
for covering this research area. Design and construction of a control system for UJBTR has …

[HTML][HTML] Experimental study on hydro-thermal behavior of journal bearing oil film profile in a slow speed diesel engine

NA Marey, WM El‑Maghlany, M Fayed - Alexandria Engineering Journal, 2023 - Elsevier
Utilizing universal journal bearing test rig, the performance of a heavy-loaded main journal
bearing has been investigated based on tracing operational behavior of oil film temperature …

[HTML][HTML] Hydrodynamic lubrication behavior under miscellaneous operational conditions via CGB numerical model

NA Marey, WM El-Maghlany, M Fayed, AA Ali - Alexandria Engineering …, 2024 - Elsevier
The current study is basically focused on investigating the possible ways to enhance the
lubricating oil film performance and hence ship energy efficiency of marine journal bearings …

Experimental Evaluation of the Effect of Oil Supply Pressure related to Marine Slow Speed Diesel Engine on Oil Film Pressure and Temperature Profiles within Journal …

NA Marey - Port-Said Engineering Research Journal, 2023 - pserj.journals.ekb.eg
Marine journal bearing is so often subject to the risk resulting from the loss of lubricating oil
pressure, which negatively affects its performance. The inevitable result of such a condition …

Examining the Behaviour of Lubricating Oil Film Within Marine Journal Bearing Under Emergency and Critical Operational Conditions

NA Marey, ESH Hegazy, AA Ali - International Work-Conference on …, 2023 - Springer
Lubricating oil film within journal bearing is significantly affected by variations in journal shaft
speed, especially sudden ones. Abrupt speed alterations may, in certain maneuverability …

Experimental and Theoretical Investigation for Shaft Journal Bearing Lubrication Performance

NN Abdul Rahman, AAS Taha, AA Ali… - Port-Said …, 2024 - pserj.journals.ekb.eg
Hydrodynamic lubrication is definitely one of the foremost factors upon which the load
carrying capacity within journal bearing mainly rely. Therefore, maintaining journal bearing …