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首页> 外文期刊>International journal of thermal & environmental engineering >Design Analysis of Thermoacoustic Refrigerator Using Air and Helium as Working Substances
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Design Analysis of Thermoacoustic Refrigerator Using Air and Helium as Working Substances

机译：以空气和氦气为工作物质的热声冰箱的设计分析

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In this paper, thermoacoustic refrigerator design strategy with parameters normalization and literature review covering the recent development in the modification of the resonator shape and size is discussed. The design of a 10 W cooling power thermoacoustic refrigerator using air as working substance and the effect of operating frequency on viscous and thermal penetration depths, and on stack sheet thickness and spacing are discussed. The promising 10 W cooling power TDH (Taper and Divergent section with Hemispherical end) resonator design operating with air and helium gases as working substances is analyzed using DeltaEC software. The analysis results show that the TDH resonator design using helium as working substance operates at lower drive ratio (14%) compared to air (25%). In comparison, DeltaEC predicts a decent low temperature of-35.4 °C at cold heat exchanger with a COP of 0.5294 when operated using helium gas, and for air is -9 °C and 0.8113 respectively, and the results are discussed.
机译：在本文中，讨论了具有参数归一化的热声冰箱设计策略，并综述了有关谐振器形状和尺寸修改的最新进展的文献综述。讨论了使用空气作为工作物质的10 W制冷功率热声制冷机的设计，以及工作频率对粘性和热渗透深度以及叠片厚度和间距的影响。使用DeltaEC软件分析了以空气和氦气为工作物质的有希望的10 W冷却功率TDH（锥形和半球形末端的发散和发散部分）谐振器设计。分析结果表明，与空气（25％）相比，使用氦气作为工作物质的TDH谐振器的驱动比（14％）更低。相比之下，DeltaEC预测在使用氦气运行时，冷热交换器的体面低温为-35.4°C，COP为0.5294，对于空气而言，分别为-9°C和0.8113，并讨论了结果。

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