Results 121 to 130 of about 462,156 (302)

Performance evaluation of synchronous reluctance motors with and without permanent magnets [PDF]

, 2016
Nowadays, a growing interest in the efficiency and the cost of electrical machines has been noticed. Therefore, Synchronous Reluctance Motors (SynRMs) have become more attractive, thanks to their higher efficiency and nevertheless acceptable cost ...
Ibrahim, Mohamed Nabil Fathy, Rashad, Essam, Sergeant, Peter   +2 more
core   +1 more source

Decoupling Size and Electronic Effects in Doped SrTiO3 Photocatalysts Through Surface Area–Normalized CO2 Hydrogenation Rates

Advanced Functional Materials, EarlyView.
Exploring the photocatalytic reverse water–gas shift (RWGS) reaction on doped SrTiO3 nanoparticle films, reveals that normalizing catalytic rates by the catalyst's specific surface area (SSA) disentangled surface area effects from the catalyst's intrinsic material properties.
Dikshita Bhattacharyya, Baliana Shani, Isaac Holmes‐Gentle, Gerardo T Martinez, Martyn McLachlan, Nicola Seriani, Ludmilla Steier   +6 more
wiley   +1 more source

TESTING OF ELECTRIC MACHINES IN INDUSTRIAL ENVIRONMENT USING A DATA ACQUISITION AND PROCESSING SYSTEM [PDF]

Annals: Series on engineering sciences (Academy of Romanian Scientists), 2009
The paper presents some significant aspects concerning testing electrical machines, including high power ones, using a Data Acquisition and Processing System (DAPS), based on a PC compatible microsystem.
Toma DORDEA, Marius BIRIESCU, Petru ANDEA, Voicu GROZA, Vladimir CREŢU, Marţian MOŢ, Gheorghe MADESCU, Ciprian ŞORÂNDARU   +7 more
doaj  

Magnetostriction strain measurement: heterodyne laser interferometry versus strain gauge technique [PDF]

, 2013
Deformation of the ferromagnetic material, known as magnetostriction, causes vibrations and noise of electrical machines and transformer cores. A setup by using heterodyne laser interferometers has been built to measure the magnetostriction strains as a
Gorji Ghalamestani, Setareh, J.J. Dirckx, Joris, Melkebeek, Jan, Vandevelde, Lieven   +3 more
core  

Electroactive Metal–Organic Frameworks for Electrocatalysis

Advanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska, Yutong Luo, Ruyan Zhao, Jianjun Zhang, Mingchao Wang, Xinliang Feng, Eike Brunner, Stefan Kaskel   +7 more
wiley   +1 more source

Stray Flux Sensor Core Impact on the Condition Monitoring of Electrical Machines. [PDF]

Sensors (Basel), 2020
Tian P, Platero CA, Gyftakis KN, Guerrero JM.   +3 more
europepmc   +1 more source

Mechanical Properties of Architected Polymer Lattice Materials: A Comparative Study of Additive Manufacturing and CAD Using FEM and µ‐CT

Advanced Functional Materials, EarlyView.
This study examines how pore shape and manufacturing‐induced deviations affect the mechanical properties of 3D‐printed lattice materials with constant porosity. Combining µ‐CT analysis, FEM, and compression testing, the authors show that structural imperfections reduce stiffness and strength, while bulk material inhomogeneities probably enhance ...
Oliver Walker, Thierry Roland, Damien Favier, Antoine Egele, Michael Heymann, Cosima Stubenrauch   +5 more
wiley   +1 more source

The impact of ground losses on estimations of lightning-induced voltage with dispersive soil parameters

Scientific Reports
In areas with frequent lightning activity, studying lightning induced voltage on overhead distribution lines is crucial to improve the line performance under nearby lightning strikes.
Toqa Faisal, Sahar. S. Kaddah, Taghreed Said, Mohammad E. M. Rizk   +3 more
doaj   +1 more source

Smart, Bio‐Inspired Polymers and Bio‐Based Molecules Modified by Zwitterionic Motifs to Design Next‐Generation Materials for Medical Applications

Advanced Functional Materials, EarlyView.
Bio‐based and (semi‐)synthetic zwitterion‐modified novel materials and fully synthetic next‐generation alternatives show the importance of material design for different biomedical applications. The zwitterionic character affects the physiochemical behavior of the material and deepens the understanding of chemical interaction mechanisms within the ...
Theresa M. Lutz, Jonas De Breuck, Sahar Salehi, Meike N. Leiske   +3 more
wiley   +1 more source

A comprehensive review of advancements and challenges in reactive power planning for microgrids

Energy Informatics
The effective management of reactive power plays a vital role in the operation of power systems, impacting voltage stability, power quality, and energy transmission efficiency.
Abdallah Mohammed, Eman Kamal Sakr, Maged Abo‑Adma, Rasha Elazab   +3 more
doaj   +1 more source