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Research on Churning Power Losses for laser welded Hypoid Gear of Vehicle Rear Axle
2022 2nd International Conference on Electrical Engineering and Control Science (IC2ECS), 2022This paper aims to discuss churning power losses of laser welded hypoid gear of main reducer for vehicle rear axle. A CFD model consisting of VOF (Volume of Fluid) two-phase flow model and RNG k-ε turbulence model is developed to discuss the mechanism of
Jianming Li, Xiaoge Hu
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Churning loss modeling for shroud gears driven by physics-data hybrids
Mechanical Systems and Signal ProcessingChunbao Liu, Konghua Yang
exaly +2 more sources
A study of churning losses in dip-lubricated spur gears
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 1999Churning losses contribute significantly, both to overall inefficiency and to oil heating, in many dip-lubricated transmission systems, notably in automotive applications. For this reason, a reasonably accurate estimate of churning loss is often desirable at the design stage.
P Luke, A V Olver
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Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology
From large industrial to small high-speed transmission for electric vehicles, there is a growing interest in reducing the power losses on gearboxes. Hydrodynamic losses are especially relevant on high-speed gearboxes.
Eduardo Tomanik +4 more
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From large industrial to small high-speed transmission for electric vehicles, there is a growing interest in reducing the power losses on gearboxes. Hydrodynamic losses are especially relevant on high-speed gearboxes.
Eduardo Tomanik +4 more
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1984
Based on the classical theories of fluid flow around a moving sphere and a cylinder, simple formulas for obtaining a first approximation to the lubricant drag forces and churning moments in a rolling bearing are presented.
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Based on the classical theories of fluid flow around a moving sphere and a cylinder, simple formulas for obtaining a first approximation to the lubricant drag forces and churning moments in a rolling bearing are presented.
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Butterfat Losses in Buttermilk from Commercial Churnings
Canadian Institute of Food Technology Journal, 1968Abstract The effect of churning procedures on fat losses in the buttermilk at two creameries in south Alberta was studied. Seasonal fluctuations were found to exist. Losses ranged from 0.72% to 3.00% with averages of 1.11 and 1.57% at the two plants.
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CFD Simulation for Reduction of Oil Churning Loss and Windage Loss on Aeroengine Transmission Gears
Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation; Education; Electric Power; Awards and Honors, 2009In recent years, the demand for power generation capacity has increased considerably due to the electric drive of air conditioners and so on in the engines of civil aircraft. Therefore, it is estimated that power losses may increase in the gearbox because of generators and pumps that in turn augment fuel consumption.
Hidenori Arisawa +3 more
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Experimental and Computational Studies of the No-Load Churning Loss of a Truck Axle
SAE Technical Paper Series, 2020<div class="section abstract"><div class="htmlview paragraph">This paper describes the work performed in predicting and measuring the contribution of oil churning to the no-load losses of a commercial truck axle at typical running speeds. A computational fluid dynamics (CFD) analysis of the churning losses was conducted.
Luis Silva +6 more
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Development of an analytical model to estimate the churning losses in high-speed axial piston pumps
Frontiers of Mechanical Engineering, 2022Qun Chao +3 more
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