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中文摘要：
对一台三缸的双作用热声发电机进行了数值模拟,考察了不同工作介质下系统的热力性能。考察的气体工作介质包括氮气、二氧化碳、氩气、不同组分的氦氩混合气以及氢气。模拟计算表明,系统的热力性能与工质密切相关。采用氢气作为工作介质时,该热声发电机获得的电功最大,三个电机获得总电功最大可达5 145 W,此时系统的热电效率为22.8%。
英文摘要：
Numerical simulation of a three-cylinder thermoacoustic double-acting electric generator was carried out. The influence of different working gas on performance of the thermoacoustic generator was ana- lyzed, including gas nitrogen, gas carbon dioxide, gas argon, helium-argon mixture gas and gas hydrogen. The results show that the thermal performance of the system is greatly related to the working gas, the ob- tained electric power reached highest with hydrogen as working gas, the obtained maximum total electric power was 5 145 W and the thermoelectric efficiency was 22.8%.
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同项目期刊论文
Influence of acoustic pressure amplifier tube on a 300 Hz thermoacousticallydriven pulse tube cooler
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