Results 211 to 220 of about 4,033,948 (250)
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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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Design of Generator Spline Retaining Ring With Low Windage Loss
Volume 2: Symposia and General Papers, Parts A and B, 2002Retaining rings in a generator are used to constrain the centrifugal force of the field winding end turns. A conventional retaining ring may cause a high pressure drop at the stator-rotor gap entrance and thus result in a large windage loss. The present work relates to the design of a retaining ring with a spline profile near its inboard end to thereby
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Preliminary numerical investigations on windage power losses generated by helical gears
2014This paper investigates the windage power loss generated by helical gears rotating in pure air. A three-dimensional approach using computational fluid dynamics (CFD) code which has been validated for spur gear is adapted here in order to consider helix angle.
Voeltzel, Nicolas +4 more
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Experimental Investigation of Shrouding on Meshed Spur Gear Windage Power Loss
Proceedings of the Vertical Flight Society 73rd Annual Forum, 2017Windage power loss in high-speed gearboxes result in efficiency losses and increased heating due to drag on the gear teeth. Meshed spur gear windage power loss test results are presented at ambient oil inlet temperatures both with and without shrouding.
Irebert Delgado, Michael Hurrell
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Antibiotic resistance in the patient with cancer: Escalating challenges and paths forward
Ca-A Cancer Journal for Clinicians, 2021Amila K Nanayakkara +2 more
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Computational investigation of baffle influence on windage loss in helical geared transmissions
, 2021Sen Li, Liangxing Li
semanticscholar +1 more source
Oxygen Loss in Layered Oxide Cathodes for Li-Ion Batteries: Mechanisms, Effects, and Mitigation
Chemical Reviews, 2022Hanlei Zhang, Hao Liu, Louis F J Piper
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