Results 41 to 50 of about 2,216 (204)

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

open access: yesAdvanced 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   +4 more
wiley   +1 more source

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

open access: yesSmall 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   +4 more
wiley   +1 more source

Using LES to Study Reacting Flows and Instabilities in Annular Combustion Chambers [PDF]

open access: yes, 2012
Great prominence is put on the design of aeronautical gas turbines due to increasingly stringent regulations and the need to tackle rising fuel prices.
A Giauque   +36 more
core   +4 more sources

Responsive liquid metal materials towards unstructured environment

open access: yesResponsive 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   +5 more
wiley   +1 more source

Thermoacoustic refrigeration [PDF]

open access: yes, 1991
A new refrigerator which uses resonant high amplitude sound in inert gases to pump heat is described and demonstrated. The phasing of the thermoacoustic cycle is provided by thermal conduction.
Garrett, Steven L., Hofler, Thomas J.
core   +1 more source

Stabilization of acoustic modes using Helmholtz and Quarter-Wave resonators tuned at exceptional points

open access: yes, 2018
Acoustic dampers are efficient and cost-effective means for suppressing thermoacoustic instabilities in combustion chambers. However, their design and the choice of their purging air mass flow is a challenging task, when one aims at ensuring ...
Bourquard, Claire, Noiray, Nicolas
core   +1 more source

Harnessing Photo‐Energy Conversion in Nanomaterials for Precision Theranostics

open access: yesAdvanced Materials, Volume 37, Issue 48, December 3, 2025.
Harnessing photo‐energy conversion in nanomaterials enables precision theranostics through light‐driven mechanisms such as photoluminescence, photothermal, photoelectric, photoacoustic, photo‐triggered surface‐enhanced Raman scattering (SERS), and photodynamic processes. This review explores six fundamental principles of photo‐energy conversion, recent
Jingyu Shi   +4 more
wiley   +1 more source

Analysis of a standing wave thermoacoustic engine with multiple unit stages

open access: yesInternational Journal of Renewable Energy Development
The thermoacoustic engine is an eco-friendly technology capable of harnessing solar and waste energy for electricity generation, in conjunction with a linear alternator, and can function as a heat pump.
Prastowo Murti   +5 more
doaj   +1 more source

Development and Assessment of Two-Stage Thermoacoustic Electricity Generator

open access: yesEnergies, 2019
This paper presents the development and assessment of a two-stage thermoacoustic electricity generator that aims to mimic the conversion of waste heat from the internal combustion engine exhaust gases into useful electricity.
Ahmed Hamood   +2 more
doaj   +1 more source

Design and analysis of a thermally driven thermoacoustic air conditioner for low grade heat recovery [PDF]

open access: yes, 2013
This paper presents the design and analysis of a thermally driven thermoacoustic cooler, which aims to utilise industrial waste heat to provide air-conditioning for buildings where waste heat are abundant but air conditioning is required. The working
Yu, Zhibin
core  

Home - About - Disclaimer - Privacy