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Studies of performance characteristics of twin thermoacoustic prime mover with gas mixtures as working fluids.
Number: pap. n. 062
Author(s) : BEHERA U., KASTHURIRENGAN S., KAMBLE B., et al.
Summary
Thermoacoustically driven pulse tube cryocooler totally eliminates the moving components and hence it is highly reliable towards end applications. In the authors' objective to develop such a system, they have designed and fabricated twin standing wave type thermoacoustic prime mover (TAPM). However, this needs to be optimized in terms of its operational parameters. In this paper the authors present the performance characteristics of twin standing wave type TAPM with gas mixtures of different working fluids, namely nitrogen, argon and helium. The operating frequency, pressure, pressure amplitude, and temperature difference between the stack ends have been studied at different operating pressures by varying gas mixture compositions. Simulation studies have been carried out using DELTAEC software for He-Ar system. The simulation and the experimental results compare fairly well and are presented here. It is observed that He-Ar mixture leads to very stable low frequency oscillations suitable to drive the pulse tube cryocooler.
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Pages: 372-377
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Details
- Original title: Studies of performance characteristics of twin thermoacoustic prime mover with gas mixtures as working fluids.
- Record ID : 30006964
- Languages: English
- Source: Cryogenics 2012. Proceedings of the 12th IIR International Conference: Dresden, Germany, September 11-14, 2012.
- Publication date: 2012/09/11
Links
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Indexing
- Themes: Small-scale cryogenic applications, cryocoolers
- Keywords: Pulse tube; Nitrogen; Helium; Thermoacoustics; Argon; Simulation; Performance; Expérimentation; Cryocooler
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