Results 51 to 60 of about 6,886 (258)

Relationship Between the Sound Transmission Through the Finite Double-Panel Structure with a Cylindrical Shell Array and the Vibro-Acoustic Characteristics of its Constituents

Archives of Acoustics, 2023
Sound insulation of the finite double-panel structure (DPS) inserted with a cylindrical shell array is investigated by varying the sound incidence direction to improve its applicability.
Myong-Jin KIM, Song-Hun KIM
doaj   +1 more source

Harnessing Phase Separation for the Development of High‐Performance Hydrogels

Advanced Science, EarlyView.
ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao, Yiming Ma, Baihao Shao, Molly M. Stevens   +3 more
wiley   +1 more source

Fundamentals of Thermal Transport and Energy Conversion in Ultra‐High Temperature Ceramics: From Microscale Mechanisms to Macroscopic Properties

Advanced Science, EarlyView.
This review critically examines thermal transport and radiative properties of ultra‐high temperature ceramics for hypersonic flight, advanced nuclear systems, and next‐generation energy conversion devices. It explores phonon–photon–electron interactions, microstructural engineering, thermoelectric conversion, and machine learning‐accelerated multiscale
Zhipeng Pei, Yue Li, Jiayu Xing, Yue Zhu, Ru Zhang, Huan Wu, Zihao Qin, Gang Pei, Man Li   +8 more
wiley   +1 more source

Single‐Atom Intercalation‐Driven Topological Ferroelectric Metal for High‐Performance Hydrogen Evolution Reaction

Advanced Science, EarlyView.
Single‐atom Cu intercalation enables porous AB3 monolayers to integrate ferroelectricity, metallicity, topology, and hydrogen evolution catalysis in one platform. Switchable FE polarization modulates work function and hydrogen adsorption thermodynamics, providing an electrically controllable route to activate basal‐plane HER activity in topological ...
Rongxuan Lu, Jian Zhang, Jialin Gong, Wenxian Li, Gang Zhang   +4 more
wiley   +1 more source

Strength Analysis of Sound Insulation Body in Ring Groove for Acoustic Logging While Drilling

Shiyou jixie, 2017
The sound insulation body in ring groove is a kind of sound insulation body that is commonly used in the acoustic logging while drilling. The numerical simulation method has been used to study the maximum equivalent stress area of the sound insulation ...
Wu Neng, Zhao Honglin, Liu Xu, Li Yufang
doaj  

Low-frequency acoustic isolation performance of Helmholtz cavity acoustic metamaterials with bilateral single openings

AIP Advances
In this study, we designed a single-opening Helmholtz chamber type acoustic metamaterial with two sides. The complexity of the open channel results in the material having a low frequency of the first sound insulation peak and excellent sound insulation ...
PeiZhou Hu, Jing-Bo Zhao, Hong Liu, XiaoSheng Zhang, Hong Yao, Guang-jun Zhang   +5 more
doaj   +1 more source

Effects of Molding Pressure on Mechanical and Sound Insulation Properties of Hybrid Composites Reinforced with a Core–Shell Structure Composed by Continuous Sisal and Carbon Fiber

Journal of Natural Fibers
Natural fiber has been widely used as reinforcement in polymer composites, and the excellent sound insulation and lower mechanical properties of natural fiber increased research interest in hybrid fiber-reinforced composites.
Kaomin Zhang, Fenglin Tian, Xiaoyu Yang, Haiting Xia, Yinghui Zhao, Zhenhu Miao, Yongtian Zou   +6 more
doaj   +1 more source

Effect of Diffusing Elements in a Reverberation Room on the Results of Airborne Sound Insulation Laboratory Measurements

Archives of Acoustics, 2019
The main problem in the measurement of airborne sound insulation is the measurement of the sound power radiated by the barrier, in practice performed by measuring the sound pressure level and the acoustic absorption in the receiving room.
Dominik MLECZKO, Tadeusz WSZOŁEK
doaj   +1 more source

Neuromorphic Near‐Sensor and In‐Sensor Computing Enabled by Next‐Generation Material‐Based Sensors

Advanced Science, EarlyView.
This Review presents a structural framework that classifies neuromorphic sensing into near‐sensor and in‐sensor architectures, clarifying physical coupling between sensing and computation. The framework connects neural and synaptic device functions with recent advances in optical, mechanical, and chemical sensing, compares energy consumption and ...
Su Yeon Jung, Gwang Ya Kim, Sejin Kim, Hyunjong Seo, Se Gi Lee, Sang Min Won, Dongjoon Rhee, Joohoon Kang   +7 more
wiley   +1 more source

Evaluation Method for Façade Acoustic Insulation for a Corner Room: Discussion on the Results Obtained as a Function of the Source Position

Applied Sciences, 2020
The appropriate acoustic insulation project of building façades is of importance for the design of highly comfortable living environments. In some countries, national regulations require maximum noise levels inside rooms, or minimum sound insulation ...
Nicola Granzotto, Edoardo Alessio Piana
doaj   +1 more source