Results 241 to 250 of about 2,792 (271)

Nanotechnology-Fortified Manipulation of Cell Ca²⁺ Signaling. [PDF]

Small Sci
Zhou Y, Zhang Z, Zhou C, Ma Y, Huang H, Liu J, Zhu D.   +6 more
europepmc   +1 more source

Time‐Dependent Oxidation and Scale Evolution of a Wrought Co/Ni‐Based Superalloy

Advanced Engineering Materials, EarlyView.
This study shows how a new wrought Co/Ni‐based superalloy resists oxidation at 800 ∘$^\circ$C. The oxide scale changes from rough, fast‐growing spinel to a dense, protective chromia–alumina layer. Atom probe analysis reveals tiny refractory‐rich bubbles at the interface that mark the transition to long‐term, diffusion‐controlled protection ...
Cameron Crabb, Zachary T. Kloenne, Samuel R. Rogers, Chi Hang Dominik Kwok, Mark C. Hardy, Michele S. Conroy, David Dye   +6 more
wiley   +1 more source

Numerical Exploration of Thermal Shock Resistance in MgO–C Refractories

Advanced Engineering Materials, EarlyView.
A mesostructure‐resolved numerical framework is developed to evaluate the thermal shock resistance of MgO–C refractories. By modeling interface debonding under rapid temperature changes and introducing a modified thermal shock parameter that accounts for mesocracks, the study shows how graphite content and aggregate size influence thermal shock ...
Jishnu Vinayak Gopi, Stephan Roth, Christos G. Aneziris, Bjoern Kiefer   +3 more
wiley   +1 more source

Research and Developments of Heterogeneous Catalytic Technologies. [PDF]

Molecules
Králik M, Koóš P, Markovič M, Lopatka P.   +3 more
europepmc   +1 more source

PASTA‐ELN: Simplifying Research Data Management for Experimental Materials Science

Advanced Engineering Materials, EarlyView.
Research data management faces ongoing hurdles as many ELNs remain complex and restrictive. PASTA‐ELN offers an open‐source, cross‐platform solution that prioritizes simplicity, offline access, and user control. Its in tuitive folder structure, modular Python add‐ons, and open formats enable seamless documentation, FAIR data practices, and easy ...
S. Brinckmann, G. Winkens, R. Schwaiger
wiley   +1 more source

Dynamic sensor compensation using adaptive filter compatible with digital technology

, 2005
Al-Hashimi, Bashir, Jafaipanah, Mehdi, White, Neil   +2 more
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Managing microgrid power generation by using back to back voltage source convertor

IEEE PES Innovative Smart Grid Technologies, Europe, 2014
The paper presents an algorithm for managing a microgrid which connected to the main grid via Back To Back Voltage Source Converter (BTB VSC) which can exchange power with adjacent grid. The proposed microgrid consists of a wind turbine generation unit, two photovoltaics generation units, a storage system, a fuel cell generation unit, a micro turbine ...
H Maleki, M Khederzadeh, V Asgharian, O Usta   +3 more
openaire   +1 more source

For prototype super-conducting magnetic energy storage (SMES) [voltage source convertor control scheme]

Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435), 2002
In this paper, a synchronous frame based control method of voltage source converter (VSC) for superconducting magnetic energy storage (SMES) is presented. The model and the feedforward decoupling method are described. The design of the regulators is depicted in detail. Simulations and experiments are both demonstrate the studies.
null Liu Ping, null Xiong Jian, null Kang Yong, null Zhang Hui, null Chen Jian   +4 more
openaire   +1 more source

Three-phase voltage-source convertor with controlled DC current for the minimisation of filter capacitance

IEE Proceedings B Electric Power Applications, 1990
The paper presents a novel control strategy for the output DC current in a three-phase AC/DC convertor using diodes, combined with a boost-type DC chopper. This contributes to the suppression of the output voltage ripples so that the size of the filter capacitor can be minimised.
R. Itoh, K. Ishizaka, T. Goromaru
openaire   +1 more source

A novel method for estimation of IGBT switching losses in voltage source convertors through EMT simulations

2016 IEEE 2nd Annual Southern Power Electronics Conference (SPEC), 2016
This paper introduces a simplified method for estimating switching energy losses in an IGBT device of a Voltage Source Converter (VSC) using Electro-Magnetic Transient (EMT) simulations. By considering the switching process as characterized by an equivalent circuit model of a unit cell that represents one leg of a VSC, equations are derived to evaluate
M. H. Naushath, A. D. Rajapakse
openaire   +1 more source