Two-stage travelling-wave thermoacoustic electricity generator for rural areas of developing countries
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2019.03.010
Abstract: Abstract Thermoacoustic heat engines convert thermal power into acoustic power with no-moving parts, while the latter can be converted to electricity using linear alternators. Such thermoacoustic electricity generators can be a means of providing inexpensive… read more here.
Keywords: travelling wave; thermoacoustic electricity; wave thermoacoustic; developing countries ... See more keywords
Experimental and theoretical bifurcation study of a nonlinear standing-wave thermoacoustic system
Sign Up to like & getrecommendations! Published in 2017 at "Energy"
DOI: 10.1016/j.energy.2017.06.134
Abstract: In this work, both theoretical and experimental bifurcation studies of nonlinear standing-wave thermoacoustic systems are performed. To characterize the unsteady heat release, two different models are proposed to approximate experimental measurements of the response of… read more here.
Keywords: thermoacoustic system; standing wave; wave thermoacoustic; nonlinear standing ... See more keywords
Optimization of standing-wave thermoacoustic refrigerator stack using genetic algorithm
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Refrigeration"
DOI: 10.1016/j.ijrefrig.2018.04.023
Abstract: The main focus of this work is the optimization of a thermoacoustic plate stack in a standing-wave thermoacoustic refrigerator using genetic algorithm. A numerical model of the thermoacoustic stack and its iterative solving process are… read more here.
Keywords: stack; standing wave; genetic algorithm; optimization ... See more keywords
Real-fluid effects on standing-wave thermoacoustic instability
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.856
Abstract: We have performed high-order compressible Navier–Stokes simulations of a thermoacoustically unstable resonator employing $\text{CO}_{2}$ in transcritical conditions. The parameter space spans the range of base pressures $p_{0}=1.01-1.5\,p_{cr}$ and temperature differences $\unicode[STIX]{x0394}T=T_{hot}-T_{cold}$ up to 200 K,… read more here.
Keywords: standing wave; real fluid; fluid effects; wave thermoacoustic ... See more keywords