Results 11 to 20 of about 316 (219)
Influence of the Lubricant Temperature of Splashed Lubricated Worm Gearbox on Churning Power Losses
ITEGAM-JETIAThe primary goal of lubricating a worm gearbox is to encourage sliding between teeth, which lowers the coefficient of friction and regulates the temperature rise brought on by rolling and sliding friction. Due to both non-load-dependent and load-
Hardik G Chothani +3 more
doaj +2 more sources
Study on the Oil Churning Power Loss of External Gear Pump
Jixie chuandong, 2016 The pressure generated by the compression of the trapped oil lead to a resistance moment,which will result in a certain oil churning power losses,when the external gear pump is working.
Tang Jinglai +3 more
doaj +1 more source
A model formulation for the prediction of churning power loss in worm gear transmission
Tribology and Materials, 2022 Churning power loss is a complex process that causes significant loss of energy under splash lubrication of gear units. A set of empirical equations are available that allows for precise churning power losses calculation for only the parallel axis gears.
Hardik Chothani, Kalpesh Maniya
openaire +2 more sources
Experimental Investigation on Churning Power Loss of Splash Lubricated Worm Gear
Periodica Polytechnica Mechanical Engineering, 2023 Churning power losses are a complex phenomenon that produces critical power losses when considering the splash lubrication of gear units. This article describes the method to investigate the churning power loss in a worm gearbox. A particular test rig was designed and fabricated to experiment on single start worm gear incompletely submerged in an oil ...
Hardik G. Chothani, Kalpesh D. Maniya
openaire +1 more source
An Experimental Investigation of Churning Power Losses of a Gearbox
Volume 10: 2017 ASME International Power Transmission and Gearing Conference, 2017 In this study, load-independent (spin) power losses of a gearbox operating under dip-lubrication conditions are investigated experimentally using a final-drive helical gear pair from an automotive transmission as the example system. A dedicated gearbox is developed to operate a single gear or a gear pair under given speed and temperature conditions.
J. Polly +4 more
openaire +2 more sources
Thermal Performance Evaluation in Gas Turbine Aero Engines Accessory Gearbox
International Journal of Turbomachinery, Propulsion and Power, 2020 This paper presents a methodological approach for mathematical modelling and physics-based analysis of accessory gearbox (AGB) thermal behavior in gas turbine aero engines. The AGB structure, as one of the main sources of heat in gas turbine aero engines,
Soheil Jafari +2 more
doaj +1 more source
Journal of Tribology, 2020 Abstract Oil sump lubrication is commonly used in gearboxes. When considering consistent speeds, oil immersion is usually set to low level in order to reduce associated power losses. This configuration is already used in some parts of helicopter mechanical transmissions, and it is under consideration as a lubrication solution for future ...
Quiban, Romain +3 more
openaire +1 more source
Power loss analysis in altered tooth-sum spur gearing
MATEC Web of Conferences, 2018 The main cause of power loss or dissipation of heat in case of meshed gears is due to friction existing between gear tooth mesh and is a major concern in low rotational speed gears, whereas in case of high operating speed the power loss taking place due ...
Sachidananda H. K. +2 more
doaj +2 more sources
Computational and experimental analysis of the churning power losses in an industrial planetary speed reducer [PDF]
WIT Transactions on Engineering Sciences, 2012 Advantages of planetary speed reducers are well known and due to their compact design and power density they are suitable for a wide range of applications. Efficiency is becoming more and more of a main concern in the design of power transmissions and the demand for high efficiency gearboxes is continuously increasing.
CONCLI, FRANCO, GORLA, CARLO
openaire +2 more sources
Engineering Applications of Computational Fluid Mechanics, 2020 This paper presents a study to investigate the effects of the shape of rollers in high precision enveloping speed reducer on the reducer’s lubrication performance. Theoretical models for the precision speed reducer with cylindrical and conical rollers as
Xingqiao Deng +3 more
doaj +1 more source