Results 101 to 110 of about 7,374 (264)

A Comparative Study on Coupled Fluid–Thermal Field of a Large Nuclear Turbine Generator with Radial and Composited Radial–Axial–Radial Ventilation Systems

open access: yesMachines
With the continuous growth of energy demand, the advantages of nuclear power, such as high energy density, low emissions, and cleanliness, are gradually highlighted.
Shukuan Zhang   +4 more
doaj   +1 more source

Radial Turbine with Pitch-Controlled Guide Vanes for Wave Energy Conversion [PDF]

open access: yes, 2004
In order to develop a high performance radial turbine for wave energy conversion, a radial turbine with pitch-controlled guide vanes has been proposed and investigated experimentally by model testing. As a result, the performances of the presented radial
Y. Fujioka   +7 more
core   +1 more source

Blade Count and Rotational Speed Sensitivity of Vertical‐Axis Turbines Under Guided Vehicle‐Generated Transient Wakes

open access: yesEnergy Science &Engineering, EarlyView.
Passing vehicles generate short‐duration wakes that can be redirected toward a vertical‐axis turbine. The interaction between wake structure, blade count, and rotational speed governs transient torque production. Low‐solidity configurations combined with tuned rotational speed enhance energy extraction under vehicle‐induced gusts.
Aydin Ulus, Stefan Ilie Moldovan
wiley   +1 more source

Study on the Radial Air Turbine

open access: yesTransactions of the Japan Society of Mechanical Engineers, 1961
The experiments were made on a rdial air turbine which was designed on the assumption that the outlet axial velocity is constant. Beside the usual measurements of pressures and temperatures, the flow was observed by a precise yaw-meter survey at several points of the machine.
openaire   +2 more sources

Radial turbine meshing and optimisation [PDF]

open access: yes, 2018
Radial turbines are a class of turbomachinery that extracts work from a high-energy workingfluid. Contrary to an axial turbine seen on commercial aircraft, where the working fluid (air)travels through the turbine without having a bulk change in direction, radial turbines createhighly three-dimensional flow, with the fluid leaving the turbine ...
openaire   +3 more sources

Large Eddy Simulations of gaseous flames in gas turbine combustion chambers [PDF]

open access: yes, 2012
Recent developments in numerical schemes, turbulent combustion models and the regular increase of computing power allow Large Eddy Simulation (LES) to be applied to real industrial burners.
Staffelbach, Gabriel   +2 more
core   +1 more source

Hybrid Osprey‐Salp Swarm Optimization Algorithm for Single and Multiobjective Optimal Power Flow in Smart Grids With Renewable Energy Integration

open access: yesEnergy Science &Engineering, EarlyView.
The proposed hybrid osprey‐salp swarm optimization algorithm addresses optimal power flow (OPF) problems in smart grids incorporating solar, hydro, and thermal generators. The algorithm is validated on Institute of Electrical and Electronics Engineers 30‐, 57‐, and 118‐bus test systems across five single and multiobjective OPF scenarios.
Mujtaba Ali   +5 more
wiley   +1 more source

Cooled Radial In-Flow Turbines for Advanced Gas Turbine Engines [PDF]

open access: yesVolume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, 1981
While the radial in-flow turbine has consistently demonstrated its capability as a high-performance component for small gas turbine engines, its use has been relegated to lower turbine-inlet-temperature cycles due to insurmountable problems with respect to the manufacturing of radial turbine rotors with internal cooling passages.
openaire   +1 more source

Secondary flow reduction techniques in linear turbine cascades [PDF]

open access: yes, 1993
This thesis investigates a novel secondary flow reduction method. The inlet boundary layer to a linear turbine cascade is skewed by injection of air through an upstream slot to oppose regular generated negative stream wise vorticity.
Biesinger, T.E, Biesinger, Thomas Ernst
core  

A Rapid Post‐Disaster Restoration Method for Networked Microgrids Based on Adaptive Quantum Particle Swarm Optimization

open access: yesEnergy Science &Engineering, EarlyView.
To enhance the power restoration speed of networked microgrids (NMGs) after extreme natural disasters and reduce the power outage of the system, this paper proposes a rapid post‐disaster restoration method for NMGs based co‐optimization of fault repair and load restoration.
Yunfan Zhang   +3 more
wiley   +1 more source

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