Results 101 to 110 of about 9,155 (248)

Stochastic Deadlines: A Comparison of Parallel Multiple Auction Designs [PDF]

In online auction platforms, offers are listed side by side and may end at the same point in time. While theoretical studies predict efficient coordination across auctions, experimental and empirical studies observe efficiency losses, i.e.
Sascha Füllbrunn, Tim Hoppe
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Анализ магнитного поля асинхронного двигателя в различных режимах работы с использованием метода конечных элементов [PDF]

, 2007
The task of preparation of electromagnetic parameters decides for the calculation of the magnetic field in the different modes of operations of asynchronous engine with a short-circuited rotor. The result of his calculation is given actually on the basis
Милых, Владимир Иванович, Сидоренко, Е. А., Шилкова, Лариса Васильевна   +2 more
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AUTOMATED CALCULATIONS OF THE DYNAMICS OF TURBOGENERATOR ELECTROMAGNETIC PROCESSES IN SOFTWARE ENVIRONMENT FEMM

Electrical engineering & Electromechanics, 2015
Attention is paid to the popular FEMM (Finite Element Method Magnetics) program which is effective in the numerical calculations of the magnetic fields of electrical machines.
V.I. Milykh, N.V. Polyakova
doaj  

Analysis of the Cogging Torque Reduction in Permanent Magnet Generators for a Very Low Wind Speed

Energies
This research examines the magnet structure’s effect on the performance of permanent magnet generators. The permanent magnet generator’s cogging torque (CT) is one of the characteristics that this article examines.
Syamsir Abduh, S. Karunanithi, Tajuddin Nur   +2 more
doaj   +1 more source

An Experimental Study of Waveguide Coupled Microwave Heating with Conventional Multicusp Negative Ion Source

, 2015
Negative ion production with conventional multicusp plasma chambers utilizing 2.45 GHz microwave heating is demonstrated. The experimental results were obtained with the multicusp plasma chambers and extraction systems of the RFdriven RADIS ion source ...
Kalvas, T., Koivisto, H., Komppula, J., Laulainen, J., Tarvainen, O.   +4 more
core   +1 more source

Comparison of Drum-type and Disc-type Magnetorheological Brakes by Computational Methods

Gazi Üniversitesi Fen Bilimleri Dergisi, 2017
This paper presents a comparison between drum-type and disc-type magnetorheological brakes, based on torque density and efficiency. Magnetic simulations of the parametric brake designs are carried out in FEMM finite element software.
Yiğit Taşcıoğlu
doaj  

Using a ferro-fluid pad to climb walls [PDF]

, 2013
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2013.Cataloged from PDF version of thesis.Includes bibliographical references (page 31).The goal of this thesis is to build a wall climbing system that utilizes the ...
Buchman, Michael Rafael.
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Femmes déviantes, femmes victimes : l’ambivalence des femmes en justice

Calenda, 2008
Colloque « Femmes déviantes, femmes victime : l'ambivalence des femmes en justice » à l'Université de Poitiers accompagnée de l'exposition « Femmes criminelles, femmes coupables » à la bibliothèque universitaire de Poitiers du 22 septembre au 30 octobre ...
openaire   +1 more source

Influence of edge slotting of magnet pole with fixed slot opening width on the cogging torque in inset permanent magnet synchronous machine

Advances in Mechanical Engineering, 2016
The cogging torque in an inset permanent magnet synchronous machine causes some undesirable vibration and noises which should be reduced in the earliest possible stage of design.
Jeeng Min Ling, Tajuddin Nur
doaj   +1 more source

The predictive role of serial transperineal sonography during the first stage of labor for cesarean section

Journal of Perinatal Medicine
Head to perineum distance (HPD) and angle of progression (AOP) are sonographic markers which have been investigated for the evaluation of labor progress.
Kartal Gölcük Esra, Dincgez Burcu, Ozgen Gulten, Ustunyurt Emın   +3 more
doaj   +1 more source