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This work is devoted to the study of a thermoacoustic Swift-Backhaus engine, composed of a porous medium regenerator and a resonator consisting of an annular loop and of a linear portion. This machine has finally attracted the attention of researchers to create industrial applications of renewable energies. This last stage can only be done after an improvement and an optimization of certain components...
In this study, we have devised a numerical 2D model (plane symmetry) of a linear thermoacoustic machine composed of two heat exchangers, stack and a resonator. It solves the coupled compressible Navier-Stokes and heat transfer equations using COMSOL Multiphysics software, using an ideal gas model for air, and P2-P1 finite elements. Implicit Large Eddy Simulation (iLES) has been used to simulate the...
The acoustic streaming is a time-averaged flow that can generate in the thermoacoustic devices. The origin of the slow phenomena is the interaction between the acoustic oscillation in the fluid and thermal and mechanical conditions on the solid walls. This mean flow leads to mean convective heat transport that can have a large impact on the performance of thermoacoustic devices. This paper reports...
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