Results 61 to 70 of about 48,623 (305)

Hydrodynamics of the Oscillating Wave Surge Converter in the open ocean [PDF]

, 2012
A potential flow model is derived for a large flap-type oscillating wave energy converter in the open ocean. Application of the Green's integral theorem in the fluid domain yields a hypersingular integral equation for the jump in potential across the ...
Dias, F., Renzi, E.
core   +2 more sources

2D Magnetic and Topological Quantum Materials and Devices for Ultralow Power Spintronics

Advanced Functional Materials, EarlyView.
2D magnets and topological quantum materials enable ultralow‐power spintronics by combining robust magnetic order with symmetry‐protected, Berry‐curvature‐driven transport. Fundamentals of 2D anisotropy and spin‐orbit‐coupling induced band inversion are linked to scalable growth and vdW stacking.
Brahmdutta Dixit, Yifei Yang, Shawn Li, Yu‐Chia Chen, Qi Jia, Jian‐Ping Wang   +5 more
wiley   +1 more source

Evaluation of a dual-T-type converter supplying an open-end winding induction machine [PDF]

, 2013
The multilevel inverter is a promising technology compared to two-level inverters in the applications of ac-drives and smart-grid applications. In this paper, a dual-T-type three-level inverters is used to drive an open-end winding induction machine. The
Darba, Araz, De Belie, Frederik, Eissa, Mostafa, Melkebeek, Jan, Salem Mohamed Salem, Aboubakr, Wasfy, Sherif   +5 more
core   +1 more source

Additive Manufacturing of NiTi Shape Memory Alloys for Elastocaloric Applications: A Review

Advanced Functional Materials, EarlyView.
Additive manufacturing enables complex NiTi architectures that overcome key limitations in elastocaloric refrigeration, including poor heat transfer and high mechanical work input. This review surveys recent advances in LPBF‐ and DED‐fabricated NiTi shape memory alloys for elastocaloric applications, highlighting process–structure–performance ...
Ignatius Andre Setiawan, Mohammad Mehrali, Jaka Tušek, Shiva Mohajerani, Xiebin Wang, Dermot Brabazon, Mohammad Elahinia, Mehrshad Mehrpouya   +7 more
wiley   +1 more source

A novel single input double output (SIDO) converter for torque ripple minimization in solar powered BLDC motor

International Journal of Renewable Energy Development, 2019
This paper proposes a new converter topology for torque ripple reduction in Brushless DC (BLDC) motor. Due to the torque ripple problem, the use of this motor is limited to few applications. In this paper, a Single Input Double Output (SIDO) converter is
Bapayya Naidu Kommula, Venkata Reddy Kota   +1 more
doaj   +1 more source

Power quality issues of 3MW direct-driven PMSG wind turbine [PDF]

, 2015
This paper presents power quality issues of a grid connected wind generation system with a MW-class direct-driven permanent magnet synchronous generator (PMSG).
Ahmed, IA, Taylor, GA, Zobaa, AF
core   +1 more source

4D‐Printed Magneto‐Plasmonic Microrobots for Programmable Spatiotemporal De‐Icing

Advanced Functional Materials, EarlyView.
A 4D‐printing strategy is introduced to achieve programmable de‐icing devices. By aligning gold–magnetite nanofillers within a photosensitive resin, the printed structures exhibit dual magnetic and plasmonic functionalities, enabling precise spatio‐temporal ice removal through thermoplasmonic effects.
Amélie Pérot, Andrea Cosola, Eléonore Aïdonidis, Jérôme Fresnais, Clément Sanchez, Philippe Belleville, Giancarlo Rizza, Marco Faustini   +7 more
wiley   +1 more source

RDG System in Remote Areas with Utility or Local Feed Topology and Operation Strategy [PDF]

, 2014
In remote regions with availability of wind energy, a RDG (renewable distributed generation) system is an advantageous alternative to increase the provision of electrical supply.
Battaiotto, Pedro Eduardo, Cendoya, Marcelo Gustavo, Peña, Ricardo Ramiro, Toccaceli, Graciela Mabel   +3 more
core   +2 more sources

Trifluoromethoxylated Electron Acceptor Enabling Ternary Organic Solar Cells with over 20% Power Conversion Efficiency

Advanced Functional Materials, EarlyView.
ABSTRACT In this work, we introduce a trifluoromethoxy (OCF3) group as a pseudo‐halogen terminal group design for non‐fullerene acceptors, which combines strong inductive electron‐withdrawing ability with moderate resonance donation. The as‐synthesized BTP‐OCF3, when benchmarked against its methoxy analogue BTP‐OCH3, demonstrates narrowed bandgap ...
Chunliang Li, Anhai Liang, Shuwei Qiu, Gavin Ho Ming Ng, Aleksandr Sergeev, Joshua Yuk Lin Lai, Bosen Zou, Xianghao Zeng, Jicheng Yi, Hongxiang Li, Junpo Guo, Wei Liu, Jia Yao, Kam Sing Wong, Zhipeng Kan, Sai Ho Pun, He Yan   +16 more
wiley   +1 more source

Improved control strategy of DFIG-based wind turbines using direct torque and direct power control techniques [PDF]

, 2018
This paper presents different control strategies for a variable-speed wind energy conversion system (WECS), based on a doubly fed induction generator. Direct Torque Control (DTC) with Space-Vector Modulation is used on the rotor side converter.
Abdelhafidh M., Adel A. H., Adel A. H., Ahmed I., Alaya J. B., Allirani S., Alnasir Z. A., Amar A. B., Arvind K., Babu Y. S. K., Belfedhal S., Belfedhal S., Belkacem S., Boulahia A., Boumaraf F., Casadei D., Chikh K., Chikhi A., Djeriri Y., Djeriri Y., Djeriri Y., El Madjid Berkouk, Gopala V. M., Hassan A., Jamma M., Kaila S. L., Kubeitari M., Kumar K. V., Kumar N., Kumar V., Kushwah S., Lamterkati J., Manivannan S., Manivannan S., Manuel A., Mouloud Denaï, Nafeh A. A., Nisha G. K., Rashag H. F., Rekioua D., Salim N. A., Selman Kouadria, Shrivastava M., Sujatha B. G., Tripura P., Vaikundaselvan B., Vignesh C., Wang Z.-G., Youcef Messlem, Zelechowski M., Zidani F.   +50 more
core   +2 more sources