Results 51 to 60 of about 3,239 (167)

Interaction Between Vortex‐Induced Vibrations and Base Vibrations in Piezoelectric Harvesters

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT In the present era, powering sensors using green energy is a significant challenge. One promising solution for the power supply of small sensors relies on piezoelectric energy harvesters excited by vortex‐induced vibrations (VIVs) generated by wind.
Michele Tonan   +3 more
wiley   +1 more source

Bath Vibration During Open Eye Formation in a Physical Model of a Steelmaking Ladle

open access: yessteel research international, EarlyView.
Using a physical model, this study shows that vibration measurements reliably predict open eye size in steelmaking ladles, offering a practical alternative to visual monitoring. Vessel vibrations stabilize faster than the open eye, except at high frequencies near the bottom.
Mika Pylvänäinen   +6 more
wiley   +1 more source

Sleep characteristics and self‐reported sleep quality in the oldest‐old: Results from a prospective longitudinal cohort study

open access: yesJournal of Sleep Research, Volume 34, Issue 2, April 2025.
Summary Little is known about the correlation between subjective perception and objective measures of sleep quality in particular in the oldest‐old. The aim of this study was to perform longitudinal home sleep monitoring in this age group, and to correlate results with self‐reported sleep quality.
Hugo Saner   +4 more
wiley   +1 more source

In Situ Amidation‐Derived Interfacial Modulation for Homogeneous Ultra‐High Nanoparticle Loading Toward Robust and Flexible Piezoelectric Composites

open access: yesAdvanced Functional Materials, Volume 36, Issue 36, 4 May 2026.
Synergistic interfacial strategy between inorganic ceramic fillers and polymer chains effectively inhibit particle aggregation and interfacial incompatibility. complex covalent and non‐covalent interfacial interactions promote superior uniformity, ultra‐high ceramic filler loading, and strong grain‐to‐grain connectivity, thereby enabling the ...
HakSu Jang   +20 more
wiley   +1 more source

Real‐Time Collection Methods for Violin Training and Evaluation Data Using Wireless Sensor Networks

open access: yesEngineering Reports, Volume 8, Issue 5, May 2026.
This graphical abstract illustrates the complete framework of real‐time violin training and evaluation based on Wireless Sensor Networks. The process begins with embedding multiple sensors—accelerometers, gyroscopes, pressure sensors, and piezoelectric sensors—on the violin and bow to capture motion, vibration, and force data during performance.
Yu Zhang, Shanzhi Li
wiley   +1 more source

Advanced Composite Technologies for High‐Performance Sports Equipment: Materials, Manufacturing, and Sustainability Perspectives

open access: yesPolymers for Advanced Technologies, Volume 37, Issue 5, May 2026.
ABSTRACT Advanced composite materials have become the leading material platform for high‐performance sports equipment, enabling superior strength‐to‐weight performance, stiffness tailoring, and enhanced functional integration compared with conventional materials. This review summarizes state‐of‐the‐art developments across multiple sporting disciplines,
Alhayat Getu Temesgen   +5 more
wiley   +1 more source

Piezoresistive Monitoring of Carbon Nanomaterial‐Reinforced Epoxy Composites Under Cyclic and Fatigue Loading: A Review

open access: yesAdvanced Engineering Materials, Volume 28, Issue 8, 22 April 2026.
Carbon nanomaterial‐reinforced epoxy composites exhibit pronounced piezoresistive behavior, enabling intrinsic damage sensing under cyclic and fatigue loading. This review critically compares carbon nanotube and graphene systems, correlating filler content, percolation threshold, and gauge factor with sensing stability and damage evolution.
J. M. Parente   +3 more
wiley   +1 more source

A Smart Headband for Multimodal Physiological Monitoring in Human Exercises

open access: yesAdvanced Science, Volume 13, Issue 22, 17 April 2026.
A novel smart headband incorporating a thermal‐sensation‐based electronic skin is presented for continuous and accurate multimodal physiological monitoring, including pulse waveforms, total metabolic energy expenditure, heart rate, and forehead temperature, across both static and dynamic daily activities.
Shiqiang Liu   +7 more
wiley   +1 more source

Formation of Polyarylate Nanofibers Using Melt‐Electrospinning for Potential Vibration Damping Application

open access: yesNano Select, Volume 7, Issue 4, April 2026.
The study investigates the fabrication of polyarylate nanofibers using laser melt‐electrospinning (M‐ESP) and explores their potential for vibration damping applications. The effects of film thickness, fiber diameter, surface treatment and fiber morphology on damping efficiency are evaluated.
Mohammad Zakaria   +3 more
wiley   +1 more source

Evaluation of Accelerometer Mechanical Filters on Submerged Cylinders Near an Underwater Explosion

open access: yesShock and Vibration, 1998
An accelerometer, mounted to a structure near an explosion to measure elasto-plastic deformation, can be excited at its resonant frequency by impulsive stresses transmitted within the structure. This results in spurious high peak acceleration levels that
G. Yiannakopoulos, P.J. van der Schaaf
doaj   +1 more source

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