Results 51 to 60 of about 762 (178)

Study of Taconis-Based Cryogenic Thermoacoustic Engine with Hydrogen and Helium

Energies
Taconis oscillations represent spontaneous excitation of acoustic modes in tubes with large temperature gradients in cryogenic systems. In this study, Taconis oscillations in hydrogen and helium systems are enhanced with a porous material resulting in a ...
Matthew P. Shenton, Jacob W. Leachman, Konstantin I. Matveev   +2 more
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

Numerical Study of Entropy Generation Within Thermoacoustic Heat Exchangers with Plane Fins

Entropy, 2015
In this paper a simplified two-dimensional computational model for studying the entropy generation characteristics of thermoacoustic heat exchangers with plane fins is presented.
Antonio Piccolo
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

Degenerate perturbation theory in thermoacoustics: high-order sensitivities and exceptional points [PDF]

, 2020
In this study, we connect concepts that have been recently developed in thermoacoustics, specifically (i) high-order spectral perturbation theory, (ii) symmetry-induced degenerate thermoacoustic modes, (iii) intrinsic thermoacoustic modes and (iv ...
Mensah, Georg, Moeck, Jonas, Mensah, GA, Silva, CF, ,, Moeck, JP, Magri, Luca, Silva, Camilo F., Mensah, Georg A., Orchini, A, Magri, L, Orchini, Alessandro, Moeck, Jonas P.   +12 more
core   +4 more sources

Thermal Analysis of Shell-and-Tube Thermoacoustic Heat Exchangers

Entropy, 2016
Heat exchangers are of key importance in overall performance and commercialization of thermoacoustic devices. The main goal in designing efficient thermoacoustic heat exchangers (TAHXs) is the achievement of the required heat transfer rate in conjunction
Mohammad Gholamrezaei, Kaveh Ghorbanian
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

Application of laser-based instrumentation for measurement of time-resolved temperature and velocity fields in the thermoacoustic system [PDF]

, 2010
This work aims to develop reliable laser-based measurement techniques to enable fundamental heat transfer and fluid flow studies in thermoacoustic systems.
Yu, Z., Jaworski, A.J., Shi, L., Yu, Zhibin, Yu, Z, Shi, L, Shi, Lei, Jaworski, Artur J, Jaworski, AJ   +8 more
core   +1 more source

Data-driven optimization of a gas turbine combustor: A Bayesian approach addressing NOx emissions, lean extinction limits, and thermoacoustic stability

Data-Centric Engineering
The design of gas turbine combustors for optimal operation at different power ratings is a multifaceted engineering task, as it requires the consideration of several objectives that must be evaluated under different test conditions.
Johann Moritz Reumschüssel, Jakob G. R. von Saldern, Bernhard Ćosić, Christian Oliver Paschereit   +3 more
doaj   +1 more source

Experimental results of a waste-heat powered thermoacoustic refrigeration system for ships

Science and Technology for Energy Transition, 2023
Greenhouse gas emissions are a major concern for maritime transport. The International Maritime Organization (IMO) presents Waste Heat Recovery Systems (WHRS) from engine exhaust gas as a viable solution to improve energy utilization and reduce ...
Thiaucourt Jonas, Merino Laso Pedro, Eon Bruno   +2 more
doaj   +1 more source