Results 31 to 40 of about 2,806 (227)

High-fidelity simulation of an ultrasonic standing-wave thermoacoustic engine with bulk viscosity effects

open access: yes, 2017
We have carried out boundary-layer-resolved, unstructured fully-compressible Navier--Stokes simulations of an ultrasonic standing-wave thermoacoustic engine (TAE) model.
Bhatia A. B.   +4 more
core   +1 more source

Heat-driven Thermoacoustic Cooling Technology: A Review and Perspective

open access: yesZhileng xuebao, 2022
Heat-driven thermoacoustic cooling technology utilizes the acoustic power generated by a thermoacoustic engine to drive a thermoacoustic cooler to realize thermal–acoustic–cooling energy conversion.
Xu Jingyuan, Luo Ercang
doaj  

Numerical Calculation of the Performance of a Thermoacoustic System with Engine and Cooler Stacks in a Looped Tube

open access: yesApplied Sciences, 2017
The performance of a thermoacoustic system that is composed of a looped tube, an engine stack, a cooler stack, and four heat exchangers, is numerically investigated.
Irna Farikhah, Yuki Ueda
doaj   +1 more source

Numerical and experimental investigation on the effect of regenerator mesh size on performance of the traveling wave thermoacoustic-stirling heat engine

open access: yesCase Studies in Thermal Engineering, 2020
Traveling wave thermoacoustic-Stirling heat engine is a unique device that is used to convert heat energy to acoustic work. In this article, the thermoacoustic engine is modeled, manufactured and tested.
Mahesh Krishna Gaikwad, Pradeep A. Patil
doaj   +1 more source

On the reflection and transmission of circumferential waves through nozzles [PDF]

open access: yes, 2015
This paper presents a mathematical model for predicting the propagation of circumferential waves (acoustic, entropy and vorticity waves) through an annular nozzle.
Duran, I, Morgans, AS
core   +2 more sources

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

Study of Standing-Wave Thermoacoustic Electricity Generators for Low-Power Applications

open access: yesApplied Sciences, 2018
This paper is concerned with the study of low-cost, low-power thermoacoustic electricity generators. Based on target electrical output power values of 50 and 100 W, three standing wave prototypes (of both one-stage and two-stage prototypes) integrating a
Antonio Piccolo
doaj   +1 more source

Features thermoacoustic thermal machines using low-temperature thermal energy source [PDF]

open access: yes, 2016
Розглянути питання розробки ефективних систем використання низькотемпературних теплових ресурсів з застосуванням термоакустичних теплових машин. Проведено аналіз наявних теоретичних моделей термоакустичних апаратів, виявлені фактори, які суттєво ...
Коробко, Володимир Владиславович
core   +1 more source

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

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

Numerical Study on the Effect of Mean Pressure and Loop's Radius to the Onset Temperature and Efficiency of Traveling Wave Termoacustic Engine

open access: yesAutomotive Experiences, 2020
The thermoacoustic engine can be a device to convert waste heat energy in the engine car become useful energy such as for charging battery in car or Air conditioner of the car. This work can be done by experimentally and numerically.
Endang Dian Rokhmawati   +7 more
doaj   +1 more source

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