Results 71 to 80 of about 400,889 (304)
Advanced Materials Technologies, EarlyView.Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu +8 more
wiley +1 more source
بهداشت و ایمنی کار, 2019 Introduction: Nowadays multiple techniques have been developed to noise control. One the most important way is the control based on sound absorption and insulation.
Roohalah Hajizadeh +4 more
doaj
Sound Transmission Loss of Complex Single Panels [PDF]
The Journal of the Acoustical Society of America, 1971 Frequently, the transmission loss of panels must be estimated from limited data for use in design problems. Usually, the panels involve complex constructions where the assumptions of single-panel theory cannot be reasonably applied. A simplified analysis of the dynamics of some complex panels is presented which leads to a straight-forward prediction ...
openaire +1 more source
Optimum design of structures of composite materials in response to aerodynamic noise and noise transmission [PDF]
Elastic wave propagation and attenuation in a model fiber matrix was investigated. Damping characteristics in graphite epoxy composite materials were measured.
Tsui, C. Y., Yang, J. C. S.
core +1 more source
Fabric‐Based Wearable Robotic Exoskeleton Gloves: Advancements and Challenges
Advanced Materials Technologies, EarlyView.This review highlights interdisciplinary technological advances in fabric‐based robotic gloves, focusing on progress in design, fabrication, actuation, sensing, control, and power and energy requirements. It also addresses performance testing and validation, including biomechanical, strength, functional, user experience, and durability assessments, to ...
Ayse Feyza Yilmaz +2 more
wiley +1 more source
A research to reduce interior noise in general aviation airplanes. General aviation interior noise study [PDF]
The construction, calibration, and properties of a facility for measuring sound transmission through aircraft type panels are described along with the theoretical and empirical methods used.
Muirhead, V. U. +3 more
core +1 more source
Seabed Attenuation In Water Saturated Sands On New Jersey Continental Shelf In 50-3000 Hz Band [PDF]
, 2010 The Shallow Water 2006 ocean acoustics experiment on the New Jersey continental shelf was designed in part to determine the frequency dependence of sound speed and attenuation for a sandy sediment in the 50-3000 Hz band.
Knobles, D. P.
core +1 more source
Magnetic Textiles: A Review of Materials, Fabrication, Properties, and Applications
Advanced Materials Technologies, EarlyView.Magnetic textiles (M‐textiles) are emerging as a programmable materials platform that merges magnetic matter with hierarchical textile structures. This article consolidates magnetic material classes, textile architectures, and fabrication and magnetization strategies, revealing structure–property–function relationships that govern magneto‐mechanical ...
Li Ke +3 more
wiley +1 more source
Acoustic Propagation and Transmission Loss Analysis in Shallow Water of Northern Arabian Sea
Journal of Marine Science and EngineeringThis study investigates acoustic propagation and transmission loss in shallow water at an unexplored site in the northern Arabian Sea near the Pakistan coastline using a normal mode theoretical framework.
Shahabuddin Shaikh +6 more
doaj +1 more source
A study of the structural-acoustic response and interior noise levels of fuselage structures [PDF]
Models of both flat and curved fuselage panels were tested for their sound transmission characteristics. The effect of external air flow on transmission loss was simulated in a subsonic wind-tunnel. By numerically evaluating the known equations for field-
Koval, L. R.
core +1 more source