20 Citations
Axial-mode solid-state thermoacoustic instability: An analytical parametric study
- Physics, Engineering
- 2020
Band structure and effective properties of one-dimensional thermoacoustic Bloch waves
- PhysicsPhysical Review B
- 2021
We investigate the dispersion characteristics and the effective properties of acoustic waves propagating in a one-dimensional duct equipped with periodic thermoacoustic coupling elements. Each…
Mode transition in a standing-wave thermoacoustic engine: A numerical study
- PhysicsJournal of Sound and Vibration
- 2021
Linear and nonlinear modeling of self-excited acoustic oscillations in a T-shaped thermoacoustic engine
- PhysicsAIP Advances
- 2021
Branch tubes are often used in thermoacoustic engines (TAEs) for acoustic power extraction or acoustic field adjustment. Their roles, although critical for the performance of the thermoacoustic…
Large eddy simulation of thermally induced oscillatory flow in a thermoacoustic engine
- Physics, Engineering
- 2020
Attenuation characteristics of thermoelastic waves in unsaturated soil
- EngineeringArabian Journal of Geosciences
- 2021
Based on the framework of elastic theory for unsaturated porous medium and considering the effects of non-isothermal conditions, this paper studies the influences of thermophysical properties on the…
Instabilities of intrinsic thermoacoustic modes in a thermoacoustic waveguide with anechoic terminations
- PhysicsPhysical Review B
- 2022
A recent study [H. Hao and F. Semperlotti, Phys. Rev. B 104, 104303 (2021)] investigated the dynamic behavior of an infinite one-dimensional (1D) thermoacoustic waveguide (TAWG) and il-lustrated its…
Numerical investigation on the performance of thermo-acoustic engine using a vertical heater
- Engineering, PhysicsInternational Journal of Ambient Energy
- 2019
Abstract The working principle of thermo-acoustic engines depends on the temperature, velocity and pressure gradients which were developed across the regenerator during operation. Hot heat exchanger…
References
SHOWING 1-10 OF 23 REFERENCES
Spectral energy cascade in thermoacoustic shock waves
- Physics, EngineeringJournal of Fluid Mechanics
- 2017
We have investigated thermoacoustically amplified quasi-planar nonlinear waves driven to the limit of shock-wave formation in a variable-area looped resonator geometrically optimized to maximize the…
Linear and nonlinear modelling of a theoretical travelling-wave thermoacoustic heat engine
- Physics, EngineeringJournal of Fluid Mechanics
- 2015
Abstract We have carried out three-dimensional Navier–Stokes simulations, from quiescent conditions to the limit cycle, of a theoretical travelling-wave thermoacoustic heat engine (TAE) composed of a…
High-fidelity simulation of an ultrasonic standing-wave thermoacoustic engine with bulk viscosity effects
- Physics
- 2017
We have carried out boundary-layer-resolved, unstructured fully-compressible Navier--Stokes simulations of an ultrasonic standing-wave thermoacoustic engine (TAE) model. The model is constructed as a…
A thermoacoustic-Stirling heat engine: detailed study
- Physics, EngineeringThe Journal of the Acoustical Society of America
- 2000
A new type of thermoacoustic engine based on traveling waves and ideally reversible heat transfer is described and data are presented which show the nearly complete elimination of the streaming convective heat loads.
Thermoacoustic engines
- Physics, EngineeringIEEE 1991 Ultrasonics Symposium,
- 1991
Thermoacoustic engines (TAEs) can be used to pump heat using a sound wave or pump a sound wave using a temperature gradient. The basic arrangement is a gas-filled acoustic resonator with…
Dependence of Sound Amplification on Temperature Distribution in Annular Thermoacoustic Engines
- Physics, Engineering
- 2008
The aim of this paper is to study the influence of the shape of the temperature distribution on the thermoacoustic amplification in an annular thermoacoustic prime mover. An analytical model is…
Thermoacoustics of solids: A pathway to solid state engines and refrigerators
- Physics, Engineering
- 2018
Thermoacoustic oscillations have been one of the most exciting discoveries of the physics of fluids in the 19th century. Since its inception, scientists have formulated a comprehensive theoretical…
Analysis and performance of a large thermoacoustic engine
- Physics, Engineering
- 1992
Measurements and analysis of a 13‐cm‐diam thermoacoustic engine are presented. At its most powerful operating point, using 13.8‐bar helium, the engine delivered 630 W to an external acoustic load,…
Dependenc eo fS ound Amplification on Te mperature Distribution in Annular Thermoacoustic Engines
- Physics, Engineering
- 2005
The aim of this paper is to study the influence of the shape of the temperature distribution on the thermoacoustic amplification in an annular thermoacoustic prime mover. An analytical model is…
A pistonless Stirling engine—The traveling wave heat engine
- Physics, Engineering
- 1979
The propagation of acoustical waves through a differentially heated regenerator results in gas in the regenerator undergoing a Stirling thermodynamic cycle. One direction of wave propagation results…