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Design of Miniature Thermoacoustic Refrigerator with Pin-Array Stack

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As a novel refrigerator, piezoelectricity-driven miniature thermoacoustic refrigerator can be miniaturized and used in miniature electric components. Design method of the miniature refrigerator is presented in this paper. The design calculation model is first built in order to design the refrigerator. The active network model of thermoacoustic refrigerator is given and used in design calculation. In design, the pin-array stack is chosen as the heat-pump stack. Its pin spacing is optimized in terms of maximum cool power factor and minimal dissipation power factor. The length and the position are designed by the network model on the basis of the coefficient of performance (COP). Then the heat exchangers between the two ends of the stack can be designed by the same method. The design method considers the influence of the stack and heat exchanger on the acoustic field.
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Document Type: Research Article

Publication date: January 1, 2006

More about this publication?
  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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