Results 51 to 60 of about 998,804 (259)

Using SCADA data for wind turbine condition monitoring – a review

open access: yes, 2017
The ever increasing size of wind turbines and the move to build them offshore have accelerated the need for optimised maintenance strategies in order to reduce operating costs.
J. Tautz-Weinert, S. Watson
semanticscholar   +1 more source

Reliability of Power Converters in Wind Turbines: Exploratory Analysis of Failure and Operating Data From a Worldwide Turbine Fleet

open access: yesIEEE transactions on power electronics, 2019
In view of the frequent and costly failures of power converters in wind turbines, a large consortium of research institutes and companies has joined forces to investigate the underlying causes and key driving factors of the failures.
K. Fischer   +6 more
semanticscholar   +1 more source

Network-driven cancer cell avatars for combination discovery and biomarker identification for DNA damage response inhibitors

open access: yesnpj Systems Biology and Applications
Combination therapy is well established as a key intervention strategy for cancer treatment, with the potential to overcome monotherapy resistance and deliver a more durable efficacy.
Orsolya Papp   +14 more
doaj   +1 more source

Design Optimization of 1.5-Stage Transonic Compressor Based on BPNN Surrogate Model and NSGA-II

open access: yesMachines, 2023
To achieve multi-objective aerodynamics design optimization for a 1.5-stage transonic compressor, a design platform incorporating blade parameterization methods, a BPNN surrogate model, and the NSGA-II optimization method was developed. The stagger angle
Xinlong Li   +5 more
doaj   +1 more source

Simulation of wind turbine wake interaction using the vorticity transport model [PDF]

open access: yes, 2010
The aerodynamic interactions that can occur within a wind farm can result in the constituent turbines generating a lower power output than would be possible if each of the turbines were operated in isolation.
Ahlin   +15 more
core   +1 more source

Microstructure evolution of creep damaged DZ411 superalloy during rejuvenation heat treatment

open access: yesJournal of Aeronautical Materials, 2019
The simple solution and aging treatment processes were adopted to rejuvenate the microstructure of creep damaged DZ411 superalloy. The microstructure evolution of superalloy during rejuvenation process was investigated by OM and SEM, and then the ...
TANG Wenshu   +5 more
doaj   +1 more source

Locking device for turbine rotor blades Patent [PDF]

open access: yes, 1965
Locking device for retaining turbine rotor blades on turbine ...
Goodrich, J. A., Ingham, K. T.
core   +1 more source

Aeromechanical optimization of first row compressor test stand blades using a hybrid machine learning model of genetic algorithm, artificial neural networks and design of experiments

open access: yesEngineering Applications of Computational Fluid Mechanics, 2019
In this paper, optimization of the first blade of a new test rig is pursued using a hybrid model comprising the genetic algorithm, artificial neural networks and design of experiments.
Mohammad Ghalandari   +5 more
doaj   +1 more source

Apparatus and method for reducing thermal stress in a turbine rotor [PDF]

open access: yes, 1978
A gas turbine is described wherein the thermal stresses in the turbine rotor are reduced. The rotor includes a central disc with a peripheral rim, and a plurality of blades extending radially outward from the rim.
Heller, J. A.
core   +1 more source

Numerical Research on the Jet Mixing Mechanism of the De-Swirling Lobed Mixer Integrated with OGV

open access: yesEnergies, 2023
The outlet guide vane (OGV) is integrated with the lobed mixer to improve the exhaust system’s performance with a high core inlet swirl. The best location for integrating the OGV is along the central line of the lobe’s trough and near the exit plane of ...
Zhijun Lei   +6 more
doaj   +1 more source

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