Thermoacoustic Refrigeration Device

Qing, E; Wu, Feng; Li, Duanyong; Guo, Fangfang

doi:10.1109/appeec.2009.4918931

2009 Asia-Pacific Power and Energy Engineering Conference 2009

DOI: 10.1109/appeec.2009.4918931

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Thermoacoustic Refrigeration Device

E Qing

Feng Wu

Duanyong Li

et al.

Abstract: A thermoacoustic refrigeration device (TAR) includes an acoustic wave generation device arranged directed to the channel of a hollow tube, and a regenerator provided at a predetermined position in the channel of the tube. A temperature gradient is obtained across the regenerator by an acoustic wave emitted from the acoustic wave generation device. Therefore, a TAR realizing a gas stirling cycle approximating the Carnot cycle which is an ideal gas cycle, and realizing simplification of the structure and high ef… Show more

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2014

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Investigation on Thermoacoustic Cooling Device with Variation in Stack Plate Size and Input Acoustic Energy

Putra

Agustina

2014

Recent Trends in Physics of Material Science and Technology

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A loudspeaker-driven thermoacoustic cooler device has been designed, constructed and tested to gain better understanding of its cooling performance. The influence of stack plate size to its performance was investigated. The plate was made of acrylic sheet in three different length variations, which were 6, 5 and 4. Each variation of experiment was conducted by varying plate thickness of the stack, 0.15, 0.5 and 1 mm, respectively. The experiments were conducted with various driver voltage input starting from setting 4-9 (Voltage peak-to-peak). The temperatures at the area of both ends of the parallel plate stack, which are cold side and hot side, were recorded. The results showed that thermoacoustic cooling effect occurred immediately and escalated rapidly in 2 min and showed a stable cooling temperature after 10 min. The experimental results confirmed that better thermal performance of the device and faster cooling rate yielded from higher voltage input. For each set of experiment, the input voltage setting, the operating frequency and other parameter of the stack were maintained the same. The thermal performance and cooling rate increased with the decrease of plate thickness. The largest temperature difference, 14.7°C, was achieved with 0.15 mm plate thickness with 6 cm length at voltage setting 9. The experimental results showed that the effects of using different plate length were not the same for each thickness of stack plate. However, Stack plate size of 0.5 mm thickness and 6 cm length at the input voltage setting of 9, was arguably the optimum size in terms of consistent performance in cooling.

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Investigation on Thermoacoustic Cooling Device with Variation in Stack Plate Size and Input Acoustic Energy

Putra

Agustina

2014

Recent Trends in Physics of Material Science and Technology

View full text Add to dashboard Cite

show abstract

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Thermoacoustic Refrigeration Device

Cited by 1 publication

References 4 publications

Investigation on Thermoacoustic Cooling Device with Variation in Stack Plate Size and Input Acoustic Energy

Investigation on Thermoacoustic Cooling Device with Variation in Stack Plate Size and Input Acoustic Energy

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