Results 31 to 40 of about 1,132 (180)

Simplification of sound-pressure characteristics using narrow flow channels subject with temperature gradient [PDF]

MATEC Web of Conferences, 2018
A thermoacoustic engine is one of promising system for utilization of unused energy. The object of this paper is to study the system of unused energy, such as heat energy and sound energy in noise using thermoacoustic engine. The thermoacoustic engine is
Kyoden Tomoaki
doaj   +1 more source

The Future of Hydrogen‐Powered Aviation: Technologies, Challenges, and a Strategic Roadmap for Sustainable Decarbonization

Advanced Energy and Sustainability Research, Volume 7, Issue 3, March 2026.
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira, Md Mahbubur Rahman, Karib Hassan Khan, Md Nizam Uddin, Dewan Hafiz Nabil   +4 more
wiley   +1 more source

Generation and Mitigation Mechanism Studies of Nonlinear Thermoacoustic Instability in a Modelled Swirling Combustor with a Heat Exchanger

Aerospace, 2021
In the present work, 3D Unsteady Reynolds-Averaged Navier-Stokes (URANS) simulations are performed to investigate the generation and mitigation mechanism of combustion-sustained thermoacoustic instabilities in a modelled swirl combustor.
Yuze Sun, Dan Zhao, Xiaowei Zhu
doaj   +1 more source

A Review of the Role of Sensor in the Vertical Farms: Superiority and Prospects

Food Frontiers, Volume 7, Issue 2, March 2026.
Sensor networks in vertical farms This study comprehensively reviews the current application status of sensors in vertical agriculture, discovers and deeply analyzes their benefits in enhancing agricultural production efficiency, ensuring the quality of agricultural products, and promoting eco‐friendly practices in vertical farms.
Yixiao Guo, Shuhan Fan, Yuqing Geng, Yuxin Liu, Fang Zhang   +4 more
wiley   +1 more source

Numerical Simulation and Analysis of Gas-liquid Coupled Double-acting Thermoacoustic Refrigeration System

Zhileng xuebao, 2021
A novel type of gas–liquid coupled double-acting traveling-wave thermoacoustic refrigeration system is proposed to solve the low efficiency of traditional thermoacoustic refrigeration with a gas resonance tube.
Chi Jiaxin, Xu Jingyuan, Zhang Limin, Li Ping, Luo Ercang   +4 more
doaj  

Graphene‐based dual‐function acoustic transducers for machine learning‐assisted human–robot interfaces

InfoMat, 2023
Human–robot interface (HRI) electronics are critical for realizing robotic intelligence. Here, we report graphene‐based dual‐function acoustic transducers for machine learning‐assisted human–robot interfaces (GHRI).
Hao Sun, Xin Gao, Liang‐Yan Guo, Lu‐Qi Tao, Zi Hao Guo, Yangshi Shao, Tianrui Cui, Yi Yang, Xiong Pu, Tian‐Ling Ren   +9 more
doaj   +1 more source

Energizing Change: Liquid‐Metal‐Enabled Nanogenerators for Smart Textiles

Small Structures, Volume 7, Issue 3, March 2026.
This review highlights how liquid metals (LMs) improve energy‐harvesting smart textiles through flexible, conductive, and stable electrodes, enhancing the performance of piezoelectric and triboelectric nanogenerators. It explores LM chemistry, device innovations, textile compatibility, and future challenges, offering a roadmap for practical ...
Kamyar Shirvanimoghaddam, Peng Wu, Ilhan Ozen, Nauman Ali Choudhry, Minoo Naebe   +4 more
wiley   +1 more source

Responsive liquid metal materials towards unstructured environment

Responsive Materials, Volume 4, Issue 1, February 2026.
Room‐temperature liquid metals integrate conductivity, deformability, and interfacial dynamics, enabling robust performance in unstructured environments. This review highlights key properties, requirements, and applications across in vivo, underwater, natural, space, and radiation settings, with advances in sensing, actuation, thermal regulation, and ...
Bo Yuan, Huaitong Song, Kaiyuan Xiang, Shili Tang, Cailin Liu, Hongzhang Wang   +5 more
wiley   +1 more source

Influence of Working Conditions on Parameters of Thermoacoustic Engine with Travelling Wave

Archives of Acoustics, 2020
Thermoacoustic converters are devices for direct conversion of acoustic energy into thermal energy in the form of temperature difference, or vice versa – for converting thermal energy into an acoustic wave.
Andrzej Bogdan DOBRUCKI, Bartłomiej KRUK   +1 more
doaj   +1 more source

Automatic Adaptive and Targeted Localized Refinement in Transient Structural Dynamic Simulations Using the Multiresolution Finite Wavelet Domain Method

International Journal for Numerical Methods in Engineering, Volume 127, Issue 1, 15 January 2026.
ABSTRACT The multiresolution finite wavelet domain method has been meticulously studied in numerous wave propagation simulations, showing excellent convergence properties and very fast computing times. The multiresolution procedure always starts with the coarse solution, and then finer solutions can be superimposed on the coarse solution until ...
Dimitris Dimitriou, Katerina Samara, Dimitris Saravanos   +2 more
wiley   +1 more source