Thermoacoustic relaxation in a pin-array stack

Journal of the Acoustical Society of America

Volumn 102, Issue 5 I, 1997, Pages 2714-2722

  Hayden, M E ^a   Swift, G W ^a  

^a LOS ALAMOS NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC ARRAYS; ACOUSTIC DEVICES; GEOMETRY; HELIUM; NUMERICAL METHODS; SPECIFIC HEAT; THERMAL DIFFUSION;

THERMAL RELAXATION FUNCTION; THERMOACOUSTIC DEVICES; THERMOACOUSTIC RELAXATION;

ULTRASONIC RELAXATION;

ACOUSTICS; ARTICLE; GAS; OSCILLATION; PRIORITY JOURNAL; THERMODYNAMICS;

EID: 0031282198     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.420325     Document Type: Article

References (41)

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24. APS Dynamics (Carlsbad, CA 92000) model 400S.
25. -5 Torr at 20°C.
26. Lucas Control Systems Products (Hampton, VA 23666) model M12-50.
27. Lucas Control Systems Products (Hampton, VA 23666) model ATA-101: internal filters were modified to a 3-pole Bessel configuration with a corner frequency of 1 kHz.
28. Endevco Corp. (San Juan Capistrano, CA 92675) model 8510B-5.
29. MKS Instruments, Inc. (Andover, MA 01810) model 390HA-1000 Baratron gauge.
30. The calibration of each piezo-resistive transducer was likewise checked against the manometer.
31. The cumulative uncertainty in the absolute distance between any pair of holes in both the top plate and the support plates was maintained at the same level.
32. Argueso, M., & Co., Inc. (Mamaroneck, NY 10543) type Rigidax WS.
33. -3≪1.
34. EG&G Instruments Corp. (Princeton, NJ 08543) model PAR 124A.
35. The magnitude of this quantity is of order unity.
36. The nomenclature used to describe these carefully contrived pin arrangements is intended to distinguish them from the abstract "empty" and "full" configurations of Sec. I, and yet give some indication of the implied analogies.
37. 0 and the total surface area of the support plates is much less than that of the pins.
38. κ of order the inter-pin spacing, is only a few percent in the present experiment.
39. tot=1147 pins intersect the support plates in the foreground configuration. Equation (13) is specific to the case of two support plates.
40. The hydraulic radius is the ratio of the cross-sectional area of the gas to the perimeter of the solid. The data have been plotted in this fashion for ease of comparison between stack geometries.
41. κ in that it is the characteristic length scale for the diffusion of momentum at the acoustic frequency.