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

