It was found that thermoacoustic solar-power generators with resonant control are more powerful than passive ones. To …

Traveling-wave thermoacoustic heat engine is a special device capable of converting external heat to acoustic work with … kind of electricity generator called the traveling-wave thermoacoustic electrical generator. In this paper, a prototype of … 1kW traveling-wave thermoacoustic electrical generator was designed and tested. In the preliminary experiments, due to …

Thermoacoustic instability occurs in many modern combustion systems. It most often arises due to the coupling between … unsteady heat release and acoustic waves. Transient energy growth of acoustic disturbances could trigger thermoacoustic … is studied first. The thermoacoustic system is shown to be non-normal and characterized by non-orthogonal eigenmodes …

This paper presents the design, construction and tests of a traveling-wave thermoacoustic electric generator. A two …-stage traveling-wave thermoacoustic engine converts thermal energy to acoustic power. Two low-impedance linear alternators (i … between the thermoacoustic engine and alternators has been systematically studied numerically and experimentally, hence the …

-hydro is the most cost effective, but not generally available, one thermo-acoustic technology option does not require subsidy …

Thermoacoustic technology is becoming increasingly attractive because of its high reliability and environmental … friendliness. The double-acting traveling-wave thermoacoustic heat engine using liquid pistons, proposed by our group, can improve … the thermoacoustic conversion efficiency further and yield a more compact engine. In this study, three different …

A novel diaphragm Stirling/thermoacoustic engine has been developed and tested that operates at high pressure and high … properly model such an engine. Instead, the engine is successfully modeled as a traveling wave thermoacoustic engine with a … mechanical resonator (the displacer) closing the acoustic power loop. The predictions of the thermoacoustic model are compared …

To reveal the physical mechanism of the thermoacoustic oscillation is an important task of basic research on … thermoacoustics. The startup process of a thermoacoustic oscillation is a parametric excitation process. The so-called “parameter … by the capacitance change in a real thermoacoustic system. In this paper, the thermoacoustic system is simulated as a …

A thermoacoustic compressor is capable of converting an alternating gas flow to a direct one with a large pumping rate … on the basis of the pressure oscillation nature of thermoacoustic engines and the flow rectification effect of check … open thermoacoustic compression systems. It is shown that the frequencies of directly connected thermoacoustic engines …

on a bifurcating tube, which produces dual-temperature thermoacoustic oscillations. The present system distinguished from … simulate the experiment, thermodynamic laws are used to develop a nonlinear thermoacoustic model. Comparison is then made … redistribution between different thermoacoustic modes is estimated. It is found that lower frequency thermoacoustic oscillations are …