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Journal of Applied Physics / Volume 112 / Issue 11 / ARTICLES / Device Physics

J. Appl. Phys. 112, 114507 (2012); http://dx.doi.org/10.1063/1.4767914 (6 pages)

Energy harvesting from a convection-driven Rijke-Zhao thermoacoustic engine

Dan Zhao and Y. Chew

Aerospace Engineering Division, College of Engineering, Nanyang Technological University, Singapore 639798, Republic of Singapore

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(Received 30 July 2012; accepted 31 October 2012; published online 5 December 2012)

A convection-driven Rijke-Zhao thermoacoustic engine is developed. It can produce intensive oscillations at two different temperatures. Furthermore, it does not involve any heat exchanger and stack/regenerator, which play critical roles in conduction-driven standing- or travelling-wave engines. Thus, the Rijke-Zhao engine is much simpler in design and lower cost in fabrication. To demonstrate its potential of energy-harvesting, a design for the conversion of heat into electricity via sound is proposed by integrating Rijke-Zhao engine with a piezoelectric generator. The preliminary experimental results are presented. And it is found that 60% more power is generated than that from conduction-driven standing-wave thermoacoustic-piezoelectric resonator [Smoker et al., J. Appl. Phys. 111, 104901, (2012)]. In order to gain insights on the generation mechanism of the thermoacoustic oscillations in the present energy-harvesting system, 2D numerical simulations are conducted. Comparing the numerical results with the experimental one reveals that good quantitative agreement is obtained.

© 2012 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. EXPERIMENTAL EVALUATION OF THE CONVECTION-DRIVEN ENERGY HARVESTER
    1. Description of experiment
    2. Performance of the convection-driven thermoacoustic-piezoelectric system
  3. NUMERICAL SIMULATION OF HEAT-DRIVEN THERMOACOUSTIC OSCILLATIONS
  4. DISCUSSION AND CONCLUSIONS

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KEYWORDS, PACS, and IPC

Keywords

energy harvesting, heat exchangers, piezoelectric devices

PACS

International Patent Classification (IPC)

  • F28C

    Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media come into direct contact without chemical interaction

  • F28D

    Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact; Heat storage plants or apparatus in general

  • F28F

    Details of heat-exchange or heat-transfer apparatus, of general application

  • H02N2/18

    Producing electrical output from mechanical input, e.g. generators

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.4767914

PUBLICATION DATA

ISSN

0021-8979 (print)  
1089-7550 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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    References

    J. Smoker, M. Nouh, O. Aldraihem, and A. Baz, J. Appl. Phys. 111, 104901 (2012)JAPIAU000111000010104901000001.

    K. Tang, T. Lei, T. Jin, G. Lin, and Z. Z. Xu, Appl. Phys. Lett. 94, 254101 (2009)APPLAB000094000025254101000001.

    S. Backhaus, E. Tward, and M. Petach, Appl. Phys. Lett. 85, 1085 (2004)APPLAB000085000006001085000001.

    Y. Ueda, T. Biwa, U. Mizutani, and T. Yazaki, Appl. Phys. Lett. 81, 5252 (2002)APPLAB000081000027005252000001.

    T. Yazaki, A. Iwata, T. Tmaekawa, and A. Tominaga, Phys. Rev. Lett. 81, 3128–3131 (1998).

    M. Stewart, P. M. Weaver, and M. Cain, Appl. Phys. Lett. 100, 073901 (2012)APPLAB000100000007073901000001.

    A. Erturk, J. Hoffmann, and D. J. Inman, Appl. Phys. Lett. 94, 254102 (2009)APPLAB000094000025254102000001.


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