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中文摘要：
采用热声发动机驱动的脉管制冷系统，消除了系统中的机械运动部件，具有结构简单、运行可靠和环境友好等优点。文中基于Regen 3．2软件，设计并制作了一台采用热声驱动的单级脉管制冷机。该制冷机采用双向进气结构，脉管和回热器为U型布置。初步实验研究中，以氮气为工质，该脉管制冷机获得了117．5K的最低制冷温度，低于氦的临界点温度126．19K；以氦气为工质，目前获得了83．5K的最低制冷温度。
英文摘要：
By eliminating the mechanical moving parts, the thermoacoustieally driven pulse tube cooling system has the advantages of simple configuration, stable performance and environment- friendly.Based on the software of Regen 3.2, this paper designed and construeted a thermoaeoustically driven single - stage pulse tube cooler,which has a double - inlet configuration. The pulse tube and regenerator are arranged in parallel （ U - shape）.In the preliminary experiment, by using nitrogen as the working gas, the pulse tube cooler reached a refrigeration temperature as low as 117,5 K,which is below the critical temperature of nitrogen -- 126.19 K. In addition, by using helium as the working gas,the pulse tube cooler reached a refrigeration temperature as low as 83.5 K.
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