Results 21 to 30 of about 4,033,948 (250)
Applied Sciences, 2023 Under the conditions of high speed and density flow, the windage loss in the gap behind an impeller has an important influence on its thermal power conversion efficiency.
Zhuobin Zhao +4 more
doaj +1 more source
Windage measurements in a rotor stator cavity with rotor mounted protrusions and bolts [PDF]
, 2012 This paper reports an experimental investigation of the windage associated with enclosed rotor-stator systems with superposed throughflow, as commonly found in gas turbine engines.
Coren, Daniel +2 more
core +1 more source
Numerical Simulation Investigation on the Windage Power Loss of a High-Speed Face Gear Drive
Energies, 2019 Reducing the energy consumption and improving the efficiency of high-speed transmission systems are increasingly common goals; the windage power loss is not negligible in these methods.
Yu Dai, Feiyue Ma, Xiang Zhu, Jifu Jia
doaj +1 more source
Journal of the Textile Machinary Society, 1951 研究目的ラーヂパッケージ、ことにポツト使用の際の動力消費推定の基礎となるゥインデージロスについて、数種の回転体による実験から実験式を導き、これを図式に表示して、ラージパッケージ計画の一資料に供しようとするものである。研究結果実験の結果から、ウインデージ・ロスWwattは、回転体の外径Dm, 高さhm, 回転数Nrev/minとしてW=7.42×10-6D3.8(h+D/10)N2.8なる式で与えられるものとした。この式から計算すると、リング精紡から出発するラージパッケージではウインデージロスのために動力消費がいくぶん増す程度ですむが、大型高回転のポットではウインデージロスだけですでにその経済的価値を失つてしまうことがわかる。ウインデージロスの低下には適当なカバーを附することが有効でふつう30 ...
Sumiji Fujii +2 more
openaire +2 more sources
Analysis of Standby Losses and Charging Cycles in Flywheel Energy Storage Systems
Energies, 2020 Aerodynamic drag and bearing friction are the main sources of standby losses in the flywheel rotor part of a flywheel energy storage system (FESS).
Mustafa E. Amiryar, Keith R. Pullen
doaj +1 more source
Research on Windage Power Loss of High-speed Arc Tooth Cylindrical Gear
Jixie chuandong, 2021 For gears running at high speeds， windage power loss is one of the main factors for low transmission efficiency. Computational fluid dynamics（CFD） technology is used to establish the air flow field model around the arc tooth cylindrical gear. The digital
Shuai Mo +5 more
doaj
Blade Drag Resistance in Windage Operating of Low Pressure Steam Turbines
Fluids, 2022 On the basis of previous experimental and numerical studies, the windage operation of low-pressure turbine rear stage is investigated. The state of the steam within the rotor channel was correlated to measurements carried out downstream of the blades for
Antonio Mambro +3 more
doaj +1 more source
Applied Sciences, 2020 The existing research problem is that the hypergraph-based method does not comprehensively consider the power loss factors of the mechanical transmission system, especially the existing windage power loss.
Yun Wang +4 more
doaj +1 more source
Numerical Analysis for Wetting Behaviors of an Oil Jet Lubricated Spur Gear
Lubricants, 2022 As it is widely employed in the aeronautical transmission system, a better understanding of the oil jet lubrication behavior is vital to determine the total system energy consumption.
Yu Dai +3 more
doaj +1 more source
Estimation of radial shaft seal, oil drag and windage loss in twin screw oil injected compressor
IOP Conference Series: Materials Science and Engineering, 2021 The objective of this paper is to study the mechanical power loss arising from radial shaft seal, oil drag, and windage within the twin-screw oil-injected screw compressor.
S. Abdan +4 more
semanticscholar +1 more source