Results 21 to 30 of about 6,203 (293)
Open Engineering, 2015 The paper describes an algorithm for the design of axial and radial-axial type turbines. The algorithm is based on using mathematical models of various levels of complexity – from 1D to 3D.
Rusanov Andrey +2 more
doaj +1 more source
Modeling Turbulent Flow in Stirred Tanks with CFD: The Influence of the Modeling Approach, Turbulence Model and Numerical Scheme [PDF]
, 2004 Single phase turbulent flow in a tank stirred by a down- and an up-pumping pitched blade turbine has been simulated using CFD. The effect of the modeling approach, discretization scheme and turbulence model on mean velocities, turbulent kinetic energy ...
Fletcher, David F. +2 more
core +1 more source
Axial Gap Studies on the Flow Behavior and Performance of a Counter Rotating Turbine
Journal of Applied Fluid Mechanics, 2020 A Counter Rotating Turbine (CRT) is an axial flow turbine with a nozzle followed by two rotors that rotate in the opposite direction of each other. Axial gap is an important parameter that affects the performance of turbine stage.
R. Subbarao, M. Govardhan
doaj
Energies, 2023 Static axial induction control and tilt control are two strategies that have the potential to increase power production in wind farms, mitigating wake effects and increasing the available power for downstream turbines.
Guillem Armengol Barcos +1 more
doaj +1 more source
Stochastic axial compressor variable geometry schedule optimisation [PDF]
, 2011 The design of axial compressors is dictated by the maximisation of flow efficiency at on design conditions whereas at part speed the requirement for operation stability prevails.
Singh, R. +7 more
core +1 more source
Hydraulic Optimization of Two-Way Counter-rotating Axial Flow Pump Turbine
Frontiers in Energy Research, 2020 The two-way counter-rotation technology is mainly applied to the tidal power station. In this paper, the hydrodynamic optimization of the two-way counter-rotating axial-flow pump turbine is carried out.
Wang Xiuli +6 more
doaj +1 more source
Perspectives on the Treatment of Secondary Flows in Axial Turbines
Energy Procedia, 2017 A review is presented of the main end-wall treatments for the secondary flows of axial turbines. This encompasses the use of axisymmetric and non-axisymmetric contoured end-walls, the use of fences, and of air injection and blowing. Experimental and numerical results show promise in all these techniques. Interest seems to be drawing towards the use of
Rona, Aldo, Kadhim, Hakim Tarteeb Kadhim
openaire +2 more sources
Effect of Axial Agitator Configuration (Up-Pumping, Down-Pumping, Reverse Rotation) on Flow Patterns Generated in Stirred Vessels [PDF]
, 2001 Single phase turbulent flow in a tank stirred with two different axial impellers - a pitched blade turbine (PBT) and a Mixel TT (MTT)- has been studied using Laser Doppler Velocimetry. The effect of the agitator configuration, i.e.
Fletcher, David F. +4 more
core +1 more source
Researches on Axial Flow Turbines
Transactions of the Japan Society of Mechanical Engineers, 1958 Ordinary, we research the characteristics of turbine blades with cascade tunnel, but we cannot expect from those researches the characteristics of turbine blades at moving state. Then, it is necessary to carry actual turbine testings to know the dynamical characteristics of turbine blades.
NAKAMURA, Kozo +2 more
openaire +2 more sources
Advanced Engineering Materials, EarlyView.Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth +6 more
wiley +1 more source