2020
DOI: 10.17586/1606-4313-2020-19-4-20-26
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Boundaries of thermoacoustic instability in the thermoacoustic engine with cryogenic cooling

Abstract: Представлены результаты исследования процесса возбуждения акустических колебаний (возникновения термоакустической неустойчивости) в термоакустическом двигателе на бегущей волне, в котором температура теплообменника-нагревателя поддерживается на уровне 300 К, а температура теплообменника-охладителя находится на криогенном температурном уровне. Описана математическая модель, которая позволяет определять границы термоакустической неустойчивости в термоакустическом двигателе с учетом его геометрических и теплофизи… Show more

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“…Thermoacoustic converters are relatively little-known energy conversion devices, the principle of operation of which is based on the mutual interaction of thermodynamic and acoustic phenomena [10], [11]. They are similar to the Stirling-type converters in terms of their operating principle in the thermodynamic sense [12]- [16]. However, they do not have any moving, solid parts and are able to perform mechanical work using gas pressure fluctuations generated during machine operation.…”
Section: Alternative Solutions Existing In the Worldmentioning
confidence: 99%
“…Thermoacoustic converters are relatively little-known energy conversion devices, the principle of operation of which is based on the mutual interaction of thermodynamic and acoustic phenomena [10], [11]. They are similar to the Stirling-type converters in terms of their operating principle in the thermodynamic sense [12]- [16]. However, they do not have any moving, solid parts and are able to perform mechanical work using gas pressure fluctuations generated during machine operation.…”
Section: Alternative Solutions Existing In the Worldmentioning
confidence: 99%