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Energy harvesting from a convection-driven Rijke-Zhao thermoacoustic engine
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10.1063/1.4767914
/content/aip/journal/jap/112/11/10.1063/1.4767914
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/11/10.1063/1.4767914

Figures

Image of FIG. 1.
FIG. 1.

Schematic of convection-driven Rijke-Zhao thermoacoustic-piezoelectic conversion system.

Image of FIG. 2.
FIG. 2.

Measured pressure fluctuations and their pressure spectra of a Rijke-Zhao thermoacoustic system.

Image of FIG. 3.
FIG. 3.

Velocity oscillation measurements at 2 cm to the exit of the upper short branch of the Rijke-Zhao thermoacoustic system by using a hot wire anemometer.

Image of FIG. 4.
FIG. 4.

Temperature measurement by using an infrared camera.

Image of FIG. 5.
FIG. 5.

Measured voltage from the piezoelectric membrane with varying resistance.

Image of FIG. 6.
FIG. 6.

Comparison of measured power output from the piezoelectric membrane with varying resistance.

Image of FIG. 7.
FIG. 7.

Geometry and mesh grid for the Rijke-Zhao thermoacoustic engine.

Image of FIG. 8.
FIG. 8.

Temperature contour (a) and velocity vector contour (b) in the Rijke-Zhao thermoacoustic system.

Image of FIG. 9.
FIG. 9.

(a) Heat-driven thermoacoustic oscillation, and (b) frequency spectrum of the limit cycle.

Tables

Generic image for table
Table I.

Temperature measurement by using K-type thermocouples along Rijke-Zhao thermoa-coustic system.

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/content/aip/journal/jap/112/11/10.1063/1.4767914
2012-12-05
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Energy harvesting from a convection-driven Rijke-Zhao thermoacoustic engine
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/11/10.1063/1.4767914
10.1063/1.4767914
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