Results 61 to 70 of about 998,804 (259)

Condition Monitoring of Wind Turbine Gearbox Bearing Based on Deep Learning Model

IEEE Access, 2019
Wind turbines condition monitoring and fault warning have important practical value for wind farms to reduce maintenance costs and improve operation levels. Due to the increase in the number of wind farms and turbines, the amount of data of wind turbines
Jian Fu, Jingchun Chu, Peng Guo, Zhenyu Chen   +3 more
semanticscholar   +1 more source

Turbine design review text [PDF]

, 1975
Three-volume publication covers theoretical, design, and performance aspects of turbines. Volumes cover thermodynamic and fluid-dynamic concepts, velocity diagram design, turbine blade aerodynamic design, turbine energy losses, supersonic turbines ...

core   +1 more source

Amplified wind turbine apparatus [PDF]

, 1982
An invention related to the utilization of wind energy and increasing the effects thereof for power generation is described. Amplified wind turbine apparatus is disclosed wherein ambient inlet air is prerotated in a first air rotation chamber having a ...
Hein, L. A., Myers, W. N.
core   +1 more source

Design and testing of a contra-rotating tidal current turbine [PDF]

, 2005
A contra-rotating marine current turbine has a number of attractive features: nearzero reactive torque on the support structure, near-zero swirl in the wake, and high relative inter-rotor rotational speeds.
Clarke, J. A., Connor, G, Grant, A. D., Johnstone, C. M.   +3 more
core   +4 more sources

Numerical Investigation of the Effects of Leakage Flow From Guide Vanes of Francis Turbines using Alternative Clearance Gap Method

Journal of Applied Fluid Mechanics, 2020
Flow around the Guide vanes (GV) in Francis turbine differs with the shape of hydrofoils. The difference in the pressure of fluid travelling to pressure side and suction side of GV contributes to flow behavior. This study presents the numerical technique
S. Gautam, H. P. Neopane, B. S. Thapa, S. Chitrakar, B. Zhu   +4 more
doaj  

Influence of Wake Sweeping Frequency on the Unsteady Flow Characteristics of an Integrated Aggressive Interturbine Duct

Applied Sciences, 2022
A dynamic simulation was launched to research the influence of high-pressure turbine (HPT) rotor wake passing frequency on the flow mechanism in an integrated aggressive interturbine duct (AITD).
Zhijun Lei, Shuang Sun, Gang Li, Hongrui Liu, Xiaoqing Ouyang, Yanfeng Zhang, Xingen Lu, Gang Xu, Junqiang Zhu   +8 more
doaj   +1 more source

A contra-rotating marine current turbine on a flexible mooring : development of a scaled prototype [PDF]

, 2008
The contra-rotating marine current turbine concept developed by the Energy Systems Research Unit at the University of Strathclyde is aimed at extracting energy in a wide range of water depths by 'flying' a neutrally-buoyant device from a flexible ...
Clarke, Joe, Connor, Gary, Grant, Andrew, Johnstone, Cameron, Ordonez Sanchez, Stephanie   +4 more
core  

Analyses of the Effect of Cycle Inlet Temperature on the Precooler and Plant Efficiency of the Simple and Intercooled Helium Gas Turbine Cycles for Generation IV Nuclear Power Plants

Applied Sciences, 2017
Nuclear Power Plant (NPP) precooler coolant temperature is critical to performance because it impacts the work required to increase the coolant pressure.
Arnold Gad-Briggs, Theoklis Nikolaidis, Pericles Pilidis   +2 more
doaj   +1 more source

Comparison of horizontal axis wind turbine (HAWT) and vertical axis wind turbine (VAWT)

, 2018
As the demand for green technology is rising rapidly worldwide, it is important that Malaysian researchers take advantage of Malaysia’s windy climates and areas to initiate more power generation projects using wind.
Muhd Khudri Johari, M. Jalil, M. Shariff
semanticscholar   +1 more source

Gas-liquid mass transfer : a comparison of down-and up-pumping axial flow impellers with radial impellers [PDF]

, 2004
The performance of a down- and up-pumping pitched blade turbine and A315 for gas-liquid dispersion and mass transfer was evaluated and then compared with that of Rushton and Scaba turbines in a small laboratory scale vessel.
Aubin, Aubin, Aubin, Bakker, Bertrand, Birch, Bouaifi, Bujalski, C. Xuereb, Chapman, Gillot, Hari-Prajitno, J. Aubin, Jaworski, Jaworski, Jaworski, Kuboi, Kuzmanic, Lopes de Figueiredo, McFarlane, McFarlane, McFarlane, Merchuk, Mishra, Nienow, Nienow, Nienow, Nienow, Ozcan-Taskin, Ozcan-Taskin, R. Sardeing, Ranade, Van’t Riet, Vrabel, Warmoeskerken   +34 more
core   +1 more source