Results 181 to 190 of about 3,275 (306)

LuGre friction model for a magnetorheological damper

open access: yesStructural Control and Health Monitoring, 2004
René Jiménez, Luis Álvarez-Icaza
openaire   +1 more source

The Impact of Uncertainty on Forecasting the US Economy

open access: yesJournal of Forecasting, EarlyView.
ABSTRACT This paper examines the predictive value of uncertainty measures for key macroeconomic indicators across multiple forecast horizons. We evaluate how different uncertainty proxies—economic policy uncertainty (EPU), VIX, geopolitical risk, and measures of macroeconomic and financial uncertainty—enhance forecast accuracy for industrial production,
Angelica Ghiselli
wiley   +1 more source

Visualizing CO2 Electroreduction Dynamics: Advances in Electrochemical AFM for Catalyst Interfacial Analysis

open access: yesInterdisciplinary Materials, EarlyView.
This review highlights how in situ electrochemical atomic force microscopy (EC‐AFM) bridges materials science and electrochemistry by providing real‐time, nanoscale visualization of catalyst dynamics during CO2 reduction. By uncovering interfacial reconstruction, active‐site evolution, and structure–activity relationships across diverse catalysts, EC ...
Kaixuan Li   +6 more
wiley   +1 more source

Innovative doped flaky FeSiCr interface synergy for developing bidisperse magnetorheological fluids with super‐performance

open access: yesInfoScience, EarlyView.
An excellent comprehensive performance bidisperse magnetorheological fluid (MRFs) was developed by blending self‐synthesized micron‐sized flaky FeSiCr particles with CIPs. Through the synergistic modification of particle properties, morphology and composition, this approach overcomes the challenges of achieving an optimal balance among key performance ...
Tianxiang Du   +8 more
wiley   +1 more source

Efficient modeling of a structure with friction dampers [PDF]

open access: yesSecond International Conference on Advances in Civil, Structural and Mechanical Engineering - ACSM 2015, 2015
HYUNGOO KANG, JINKOO KIM, YOUNGHOO CHOI
openaire   +1 more source

Static and Dynamic Analysis of Porous Gas Bearings Lubricated With Air, Refrigerant R‐134a, Helium and Hydrogen

open access: yesLubrication Science, EarlyView.
ABSTRACT Porous gas bearings (PGBs) enable high‐speed, oil‐free operation in modern rotating machinery. This study develops a coupled thermo‐hydrodynamic (THD) model for a cylindrical porous gas bearing lubricated with four working fluids—air, R‐134a, helium and hydrogen.
S. Bechiri, B. Bouchehit, B. Bou‐Saïd
wiley   +1 more source

Evaluation of the Shock Absorption Capacity of Polymeric Specimens Manufactured by 3D Printing

open access: yesMacromolecular Symposia, EarlyView.
ABSTRACT In the current context, due to the accelerated development of additive manufacturing, parts made of polymeric materials such as polylactic acid (PLA) manufactured by 3D printing are increasingly used. Such applications can be used, for example, in situations involving dynamic loads, where the shock energy absorption properties are essential ...
Alexandra‐Anamaria Spiridon   +5 more
wiley   +1 more source

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