Results 61 to 70 of about 2,785,013 (297)

Model-based design of transverse wall oscillations for turbulent drag reduction

, 2012
Over the last two decades, both experiments and simulations have demonstrated that transverse wall oscillations with properly selected amplitude and frequency can reduce turbulent drag by as much as 40%.
Jovanović, Mihailo R., Moarref, Rashad
core   +1 more source

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

Flexible Power Electronic Transformer for Power Flow Control Applications [PDF]

Journal of Operation and Automation in Power Engineering, 2007
This paper proposes a Flexible Power Electronic Transformer (FPET) for the application in the micro-grids. The low frequency transformer is usually used at the Point of Common Coupling (PCC) to connect the low voltage grid and utility network to each ...
J. Fallah Ardeshir, A. Ajami, A. Jalilvand, A. Mohammadpour   +3 more
doaj  

Improvement of Quadruple Structure and Optimization of Control Algorithm for Co-Phase Traction Power Supply System

Xibei Gongye Daxue Xuebao, 2020
Co-phase power supply is one of the key technologies to solve the technical bottlenecks such as electrical phase separation zone, poor power quality and defects in structure and control algorithms in traditional traction power supply systems and single ...

doaj   +1 more source

Comparison of Control Techniques for Harmonic Isolation in Series VSC-Based Power Flow Controller in Distribution Grids

Energies, 2023
The application of power electronics equipment in medium voltage (MV) distribution grids can provide new management solutions for power flow control, load balancing and voltage problems.
Guilherme Gonçalves Pinheiro, Robson Bauwelz Gonzatti, Carlos Henrique da Silva, Rondineli Rodrigues Pereira, Bruno P. Braga Guimarães, João Gabriel Luppi Foster, Germano Lambert-Torres, Kleverson Sinezio da Silva, Joselino Santana-Filho   +8 more
doaj   +1 more source

Transferrin receptor 1‐mediated iron uptake supports thermogenic activation in human cervical‐derived adipocytes

FEBS Letters, EarlyView.
In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai, Mizuki Seo, Gyath Karadsheh, Fachrur Rizal Mahendra, Máté Á Demény, Ferenc Győry, János András Mótyán, László Fésüs, Endre Kristóf, Rini Arianti   +9 more
wiley   +1 more source

The Performance of the BTB-VSC for Active Power Balancing, Reactive Power Compensation and Current Harmonic Filtering in the Interconnected Systems

Energies, 2020
Nowadays, the use of power converters to control active and reactive power in AC−AC grid-connected systems has increased. With respect to indirect AC−AC converters, the tendency is to enable the back-to-back (BTB) voltage source converter ...
Janeth Alcalá, Víctor Cárdenas, Alejandro Aganza, Jorge Gudiño-Lau, Saida Charre   +4 more
doaj   +1 more source

Fuzzy second order sliding mode control of a unified power flow controller [PDF]

, 2019
Purpose. This paper presents an advanced control scheme based on fuzzy logic and second order sliding mode of a unified power flow controller. This controller offers advantages in terms of static and dynamic operation of the power system such as the ...
Boudjema, Zinelaabidine, Hinda, Abdellatif, Khiat, Mounir   +2 more
core   +3 more sources

Perspectives in educating molecular pathologists on liquid biopsy: Toward integrative, equitable, and decentralized precision oncology

Molecular Oncology, EarlyView.
Liquid biopsy enables minimally invasive, real‐time molecular profiling through analysis of circulating biomarkers in biological fluids. This Perspective highlights the importance of training pathologists through integrative educational programs, such as the European Masters in Molecular Pathology, to ensure effective and equitable implementation of ...
Marius Ilié, Umberto Malapelle, Catherine Alix‐Panabières, Claus Lindbjerg Andersen, Sandra Chlebowski, Vivien Lake, Caroline Lacoux, Virginie Lespinet‐Fabre, Olivier Bordone, Simon Heeke, Christophe Bontoux, Ellen Heitzer, Klaus Pantel, Paul Hofman   +13 more
wiley   +1 more source

Frequency control of power system including PV and wind farms by using output frequency band control of HVDC interconnection line

The Journal of Engineering, 2019
Due to serious environmental issues in recent years, renewable energy has been focused on all over the world to solve the issues. However, because of indirect characteristics such as variations of solar radiation intensity or wind speeds, the output of ...
Kimiko Tada, Takamasa Sato, Atsushi Umemura, Rion Takahashi, Junji Tamura, Yoshiharu Matsumura, Daisuke Yamaguchi, Hirooki Kudo, Masakazu Niiyama, Yasuhito Taki   +9 more
doaj   +1 more source