Results 41 to 50 of about 4,437,500 (186)

Model Development and Stability Analysis for a Turbocharger Rotor System under Multi-Field Coupled Forces [PDF]

, 2012
Automotive turbochargers have been widely applied in vehicles in order to increase the power output of internal combustion engines by increasing the air to fuel ratio entering the piston cylinders.
Zhang, Hao
core  

Análise espectral da corrente de partida de motores de indução para detecção de falhas nas barras do rotor [PDF]

, 2008
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.Este trabalho consiste na análise da corrente de partida do motor de indução para a detecção de falhas nas barras do ...
Ematsu, Márcio Yoshikazu
core  

Ground fault current: Calculation of magnitude and its distribution in the neutral and ground paths [PDF]

, 2022
This thesis focuses on the ground fault current distribution and presents a method that enables a high accuracy in its calculation: starting from the model based on multi-conductor representation developed in Matlab, simulations are carried out to ...
Pettenò, Matteo
core  

Development of an aeroelastic stability boundary for a rotor in autorotation [PDF]

, 2008
<p>For the present study, a mathematical model AMRA was created to simulate the aeroelastic behaviour of a rotor during autorotation. Our model: Aeroelastic Model of a Rotor in Autorotation (AMRA) captures transverse bending and teeter ...
Gillies, E.A., Thomson, D.G., Trchalík, J.   +2 more
core  

General Analytical Model of Magnet Average Eddy-Current Volume Losses for Comparison of Multi-phase PM Machines with Concentrated Winding [PDF]

, 2014
this paper studies magnet eddy-current losses in permanent magnet (PM) machines with concentrated winding. First of all, space harmonics of magnetomotive force (MMF) and their influence on magnet losses in electrical machines are investigated.
LEGRANGER, Jerome, ASLAN, Bassel, SEMAIL, Eric   +2 more
core   +1 more source

Hydration- and Temperature-Dependent Fluorescence Spectra of Laurdan Conformers in a DPPC Membrane

Cells
The widely used Laurdan probe has two conformers, resulting in different optical properties when embedded in a lipid bilayer membrane, as demonstrated by our previous simulations.
Stefan Knippenberg, Kathakali De, Christopher Aisenbrey, Burkhard Bechinger, Silvio Osella   +4 more
doaj   +1 more source

Aerodynamic Response of a Hovering Rotor to Ramp Changes in Pitch Input [PDF]

, 2008
Under transient conditions, a helicopter rotor generates a complex, time-dependent pattern of shed and trailed vorticity in its wake that has profound eects on its loading.
Brown, R.E., Duraisamy, K., Duraisamy, Karthikeyan, Brown, Richard   +3 more
core  

A Comparative Study of Time-Frequency Representations for Fault Detection in Wind Turbine [PDF]

, 2011
To reduce the cost of wind energy, minimization and prediction of maintenance operations in wind turbine is of key importance. In variable speed turbine generator, advanced signal processing tools are required to detect and diagnose the generator faults ...
CHARPENTIER, Jean-Frederic, G. Barakat, EL BOUCHIKHI, EL HOUSSIN, BENBOUZID, Mohamed, BARAKAT, Georges, V. Choqueuse, Choqueuse, Vincent, V., J.F. Charpentier, El.H. Bouchikhi, M.E.H. Benbouzid, CHOQUEUSE, Vincent   +10 more
core   +1 more source

Far-field sound radiation due to an installed open rotor

, 2012
Future single rotation propeller and contra-rotating advanced open rotor concepts promise a significant fuel efficiency advantage over current generation turbofan engines.
Kingan, Michael J., McAlpine, A.
core   +1 more source

Comprehensive Review of Bearing Currents in Electrical Machines: Mechanisms, Impacts, and Mitigation Techniques

Energies
The present paper deals with a review on bearing currents in electrical machines, with major emphasis on mechanisms, impacts, and mitigation strategies.
Tianyi Pei, Hengliang Zhang, Wei Hua, Fengyu Zhang   +3 more
doaj   +1 more source