Results 11 to 20 of about 22,336 (243)

The Parameters for THD Lubrication Flow

open access: yesJournal of Mechanics, 2006
AbstractParameters of thermohydrodynamic (THD) lubrication are discussed for the laminar and turbulent regimes. The scales of pressure of temperature are analytically obtained, and are used to measure the variations of density and viscosity. Dominant THD parameters are identified by inspecting the practical applications.
S.-H. Shyu
openaire   +2 more sources

THD 10XTYPES Vol 1

open access: yes, 2021
This is the first volume cataloguing ten typefaces design by Tim Hutchinson Design. These display typefaces were all designed and engineered into fully working digital fonts during the period between 2013 ...
Hutchinson, Tim
core   +5 more sources

A High Quality Output Voltage for HEPWM of Single Phase AC Motor Drive [PDF]

open access: yesEngineering and Technology Journal, 2009
provide the exact on-line solution to the optimal PWM problem. The proposedalgorithm optimization technique is applied to a 3-level unipolar single-phase inverter todetermine optimum switching angles for eliminating low order harmonics while ...
Jamal A. Mohammed   +2 more
doaj   +1 more source

Biomimetics: teaching the tools of the trade

open access: yesFEBS Open Bio, 2020
Biomimetics is a known innovation paradigm of the twenty‐first century with significant impact on science, society, economy, and challenges of sustainability.
Kristina Wanieck   +3 more
doaj   +1 more source

Magnetic ordering and its influence on X‐ray spectroscopies

open access: yesMajor Reference Works, Page 163-168., 2023
International Tables for Crystallography is the definitive resource and reference work for crystallography and structural science.

Each of the eight volumes in the series contains articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the ...
Gerrit van der Laan   +3 more
wiley  

+2 more sources

Performance Analysis of Three Phase Cascaded Multilevel Inverter (CMLI) for Induction Motor Drives [PDF]

open access: yesEngineering and Technology Journal, 2013
Traditional high-frequency pulse width modulation (PWM) inverters for motor drives have several problems associated with their high switching frequency which produces high voltage change (dv/dt) rates.
Shatha k. Baqir
doaj   +1 more source

Boost Converter Based 3-phase AC-AC Active Tracking Voltage Regulator Controlled by a Robust Hybrid Control Method

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2022
In this study, a switch-mode three-phase active tracking AC-AC voltage regulator based on the boost converter is proposed with a moderate number of active and passive elements used in the topology.
Felix Hımmelstoss, Faruk Yalçın
doaj   +1 more source

Performance Analysis of the Slip Power Recovery Induction Motor Drive System Under Unbalance Supply Voltages

open access: yesAdvances in Electrical and Electronic Engineering, 2021
This paper develops a mathematical model for analyzing the steady-state performance of the Slip Power Recovery Induction Motor Drive System (SPRIMDS) which operates under unbalance supply voltage conditions.
Hilmi Fadhil Ameen, Fadhil Toufick Aula
doaj   +1 more source

小型円筒リニアモータの推力と高調波歪みに関する研究と考察 [PDF]

open access: yes, 2014
In recent years, the miniaturization of a linear motor has progressed by the chip mounter the miniaturization of a conveying machine, or the loading demand to a special use. There is a case where a smooth drive is required in it.
脇若, 弘之   +2 more
core   +1 more source

Two-Stage Control for Small-Signal Modeling and Power Conditioning of Grid-‎Connected Quasi-Z-Source Inverter with LCL Filter for Photovoltaic ‎Generation ‎ [PDF]

open access: yesJournal of Operation and Automation in Power Engineering, 2021
Grid-connected inverter-based photovoltaic (PV) systems play an important role in Distributed Power Generation (DPG). For this application, quasi impedance source inverter is very suitable due to its ability to increase or decrease the output voltage of ...
F. Aalizadeh   +3 more
doaj   +1 more source

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