Results 111 to 120 of about 1,121 (166)

On the relation between peripheral compression and the growth of loudness [PDF]

, 1999
Hannes Müsch, Mary Florentine, So/ren Buus, Torben Poulsen   +3 more
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The traveling-wave amplifier model of the cochlea adapted to dolphins [PDF]

, 1999
Andersen, Lars Nonboe, Au, W.W.L.
core   +1 more source

Modeling huge sound sources in a room acoustical calculation program [PDF]

, 1999
Christensen, Claus Lynge
core   +1 more source

Numerical simulation of streaming in resonator based thermoacoustic devices [PDF]

, 2006
Botteldooren, Dick, Galioullina, Elvira
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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
openaire   +2 more sources

Thermoacoustic refrigeration demonstration

The Journal of the Acoustical Society of America, 1998
A portable device for demonstrating thermoacoustic cooling is developed using off-the-shelf components: the Morel MW-142 5-in. woofer and the Selenium HL14-25 horn. Acoustic peak pressure amplitudes of 19 kPa (19% of mean pressure) have been measured (without stack) using atmospheric air as the working fluid.
Ray Scott Wakeland, Steven L. Garrett
openaire   +1 more source

Thermoacoustic Refrigeration Device

2009 Asia-Pacific Power and Energy Engineering Conference, 2009
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 ...
E. Qing, Feng Wu, Duanyong Li, Fangzhong Guo   +3 more
openaire   +1 more source

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
openaire   +1 more source

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
openaire   +2 more sources

Thermoacoustic–Stirling model refrigerator

The Journal of the Acoustical Society of America, 2001
The design and performance of a model refrigerator that uses a stainless-steel woven regenerator (4.1 cm diameter, 5.0 mm thick) and an unconventional Helmholtz resonator to provide proper phasing for the regenerator are described. Cooling is produced in air at atmospheric pressure with sound pressures in excess of 6 kPa in a transparent 60 cm long ...
Matthew E. Poese, Steven L. Garrett
openaire   +1 more source