Journal
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
Volume 146, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2021.111170
Keywords
Multi-physics coupling; Thermoacoustic engine; Thermoacoustic electric generator; Thermoacoustic refrigerator; Thermal energy recovery; Electric power generation
Funding
- Universitas 21 Doctoral Student Mobility Scholarship
- China Scholarship Council [201608630046]
- Fundamental Research Funds for the Central Universities [3203002101C3]
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The latest developments in thermoacoustic devices have shown comparable power output and efficiency, higher reliability, and lower cost compared to conventional low-grade heat recovery technologies. Good coupling between multiple physical fields is crucial in realizing these potentials. This review provides a comprehensive analysis of the multi-physics coupling effects within thermoacoustic devices, offering insights into the underlying mechanisms and guidelines for improving modern thermoacoustic technologies.
Latest developments in thermoacoustic devices have demonstrated comparable power output and efficiency, but higher reliability and lower cost when compared to conventional low-grade heat recovery technologies. A good coupling between multiple physical fields plays a pivotal role in realizing these potentials. This article provides a comprehensive review of the multi-physics coupling effects, namely, thermal-acoustic coupling, acousticmechanical coupling and mechanical-electric coupling, inside thermoacoustic devices including thermoacoustic engines, thermoacoustic electric generators, thermoacoustically-driven refrigerators, etc. The basic principles, operating characteristics, design strategies and future prospects are discussed individually for each coupling effect. System-level design techniques and synthetic optimization methodologies in consideration of the multiphysics coupling effects are presented. This review work gives insights into the underlying mechanisms of various coupling effects in thermoacoustic devices and provides guidelines for improvements of modern thermoacoustic technologies for low-grade thermal energy recovery, refrigeration and electric power generation purposes.
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