This paper describes the design and testing of a low cost thermoacoustic generator. A travelling-wave thermoacoustic engine with a configuration of a looped-tube resonator is designed and constructed to convert heat to acoustic power. A commercially available, low-cost loudspeaker is adopted as the alternator to convert the engine’s acoustic power to electricity. The whole system is designed using linear thermoacoustic theory. The optimization of different parts of the thermoacoustic generator, as well as the matching between the thermoacoustic engine and the alternator are discussed in detail. A detailed comparison between the preliminary test results and linear thermoacoustic predictions is provided.
Design of a Low-Cost Thermoacoustic Electricity Generator and Its Experimental Verification
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Yu, Z, Jaworski, AJ, & Backhaus, S. "Design of a Low-Cost Thermoacoustic Electricity Generator and Its Experimental Verification." Proceedings of the ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 1. Istanbul, Turkey. July 12–14, 2010. pp. 191-199. ASME. https://doi.org/10.1115/ESDA2010-24598
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