Results 101 to 110 of about 547 (159)

AN EXPERIMENTAL INVESTIGATION OF THERMOACOUSTIC REFRIGERATOR

International Journal of Advance Engineering and Research Development, 2017
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Thermal Field Measurements of a Thermoacoustically Driven Thermoacoustic Refrigerator

Journal of Thermal Science and Engineering Applications, 2010
Thermoacoustic refrigerator is a device that transfers heat from a low temperature medium to a high-temperature medium by using sound energy as work input. We have designed and tested a simplified thermally driven thermoacoustic refrigerator. Our refrigerator is easy to make, uses no moving parts, and has proved to be an impressive illustration of ...
Syeda Humaira Tasnim, Roydon Andrew Fraser   +1 more
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Experimental investigation of an adjustable thermoacoustically-driven thermoacoustic refrigerator

International Journal of Refrigeration, 2018
Abstract An experimental investigation is conducted on a new adjustable thermoacoustically-driven thermoacoustic refrigerator (TADTAR). This refrigerator comprises of a thermoacoustic engine which drives a thermoacoustic refrigerator. This study aims to demonstrate the possibility to alter the TADTAR performance through the adjustment of specific ...
A.C. Alcock, L.K. Tartibu, T.C. Jen
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High-power thermoacoustic refrigerator [PDF]

Applied Thermal Engineering, 1997
A high-power thermoacoustic refrigerator including a half-wave length resonator (80), first and second drivers (10) located in housings at first and second ends of said resonator, two pusher cones (100), a plurality of heat exchangers (30, 50), a first and second stack (40), utilizing a compressible gas mixture (120) capable of being tuned to the ...
Garrett, Steven L.
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SCALING OF THERMOACOUSTIC REFRIGERATORS

AIP Conference Proceedings, 2008
The possibility of scaling-down thermoacoustic refrigerators is theor. investigated. Standing-wave systems are considered as well as traveling-wave. In the former case, a ref. system is taken that consists of a resonator tube (50 cm) with a closed end and a PVC stack (length 5 cm).
Y. Li, J. C. H. Zeegers, H. J. M. ter Brake, J. G. Weisend, John Barclay, Susan Breon, Jonathan Demko, Michael DiPirro, J. Patrick Kelley, Peter Kittel, Arkadiy Klebaner, Al Zeller, Mark Zagarola, Steven Van Sciver, Andrew Rowe, John Pfotenhauer, Tom Peterson, Jennifer Lock   +17 more
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Thermoacoustic refrigeration for space applications

Space Programs and Technologies Conference, 1991
A thermoacoustic refrigerator has been designed, tested, and certified by NASA to be flown aboard the space-shuttle get-away-special (GAS) payload program on STS-42 in January 1992. This thermoacoustic heat pump uses acoustic power to pump heat from a low-temperature source to a high-temperature sink. It has only 15 g of moving mass operating at 400 Hz,
Garrett, Steven L., Adeff, Jay A., Hofler, Thomas J.   +2 more
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Prandtl number and thermoacoustic refrigerators

The Journal of the Acoustical Society of America, 2002
From kinetic gas theory, it is known that the Prandtl number for hard-sphere monatomic gases is 2/3. Lower values can be realized using gas mixtures of heavy and light monatomic gases. Prandtl numbers varying between 0.2 and 0.67 are obtained by using gas mixtures of helium–argon, helium–krypton, and helium–xenon.
Tijani, M.E.H., Zeegers, J.C.H., Waele, de, A.T.A.M.   +2 more
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An experimental thermoacoustically driven thermoacoustic refrigerator

The Journal of the Acoustical Society of America, 1996
The construction of a thermoacoustically (heat) driven, thermoacoustic refrigerator (TADTAR) is nearing completion. The design utilizes a novel resonator topology and high-efficiency primary heat exchangers. Numerical models suggest a cooling power level of at least 500 W over a temperature span of 40 °C.
Thomas J. Hofler, Jay A. Adeff, Tom Heatter, Anthony A. Atchley   +3 more
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A Study of Thermoacoustic Refrigerator

SAE Technical Paper Series, 2017
<div class="section abstract"><div class="htmlview paragraph">A diesel engine is advantageous in its high thermal efficiency, however it still wastes about 50% of total input energy to exhaust and cooling losses. A feasibility study of thermoacoustic refrigerator was carried out as one of the means to recuperate waste heat.
Masaaki Nakamura, Koichi Machida, Kiyohiro Shimokawa   +2 more
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Experimental investigation of a thermoacoustic refrigerator driven by a standing wave twin thermoacoustic prime mover

International Journal of Refrigeration, 2013
The objective of this study is to analyse the performance of thermoacoustic refrigerator (TAR) measured in terms of hot end temperature and temperature difference across refrigerator stack with two different spacing namely 0.4 mm and 0.8 mm and stack ...
N M Hariharan, P Sivashanmugam, S Kasthurirengan   +2 more
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