Influence of velocity profile nonuniformity on minor losses for flow exiting thermoacoustic heat exchangers (L)

Journal of the Acoustical Society of America

Volumn 112, Issue 4, 2002, Pages 1249-1252

  Wakeland, Ray Scott ^a   Keolian, Robert M ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

HEAT TRANSFER; PHOTOACOUSTIC EFFECT; PLATES (STRUCTURAL COMPONENTS); TUBES (COMPONENTS);

THERMOACOUSTIC DEVICES;

HEAT EXCHANGERS;

ACOUSTICS; FLOW VELOCITY; HEAT EXCHANGER; LAMINAR FLOW; OSCILLATING FLOW; VELOCITY PROFILE;

ACOUSTICS; ARTICLE; CALCULATION; DEVICE; FLOW RATE; GEOMETRY; MATHEMATICAL MODEL; OSCILLATION; PRIORITY JOURNAL; TIME;

ACOUSTICS; HEAT; MODELS, THEORETICAL; THERMAL CONDUCTIVITY; TIME FACTORS;

EID: 0036789321     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.1502896     Document Type: Article

References (10)

1. G. W. Swift and W. C. Ward, "Simple harmonic analysis of regenerators." J. Thermophys. Heat Transfer 10, 652-662 (1996). This derivation is in Sec. II.A., culminating in Eq. (12). Special cases appear as Eqs. (7.15) and (7.16) of J. H. M. Disselhorst and L. Van Wijngaarden, "Flow in the exit of open pipes during acoustic resonance," J. Fluid Mech. 99, 293-319 (1980). This result also appears in the form of an additional term in the acoustic resistance in Eq. (18) of G. B. Thurson, L. E. Hargrove, Jr., and B. D. Cook, "Nonlinear properties of circular orifices," J. Acoust. Soc. Am. 29, 992-1001 (1957).
2. G. W. Swift and W. C. Ward, "Simple harmonic analysis of regenerators." J. Thermophys. Heat Transfer 10, 652-662 (1996). This derivation is in Sec. II.A., culminating in Eq. (12). Special cases appear as Eqs. (7.15) and (7.16) of J. H. M. Disselhorst and L. Van Wijngaarden, "Flow in the exit of open pipes during acoustic resonance," J. Fluid Mech. 99, 293-319 (1980). This result also appears in the form of an additional term in the acoustic resistance in Eq. (18) of G. B. Thurson, L. E. Hargrove, Jr., and B. D. Cook, "Nonlinear properties of circular orifices," J. Acoust. Soc. Am. 29, 992-1001 (1957).
3. G. W. Swift and W. C. Ward, "Simple harmonic analysis of regenerators." J. Thermophys. Heat Transfer 10, 652-662 (1996). This derivation is in Sec. II.A., culminating in Eq. (12). Special cases appear as Eqs. (7.15) and (7.16) of J. H. M. Disselhorst and L. Van Wijngaarden, "Flow in the exit of open pipes during acoustic resonance," J. Fluid Mech. 99, 293-319 (1980). This result also appears in the form of an additional term in the acoustic resistance in Eq. (18) of G. B. Thurson, L. E. Hargrove, Jr., and B. D. Cook, "Nonlinear properties of circular orifices," J. Acoust. Soc. Am. 29, 992-1001 (1957).
4. J. K. Vennard, "Basic equations of fluid flow," in Handbook of Fluid Dynamics, edited by Victor L. Streeter (McGraw-Hill, New York, 1961), pp. 3-5 to 3-7.
5. A. G. Fredrickson and R. B. Bird, "Transport phenomena in multicomponent systems," in Handbook of Fluid Dynamics, edited by V. L. Streeter (McGraw-Hill, New York, 1961), Eq. (6.222).
6. I. E. Idelchik, Handbook of Hydraulic Resistance, 3rd ed. (Begell House, New York, 1996), Eq. (4-3).
7. W. M. Kays, "Loss coefficients for abrupt changes in flow cross section with low Reynolds number flow in single and multiple tube systems," Trans. ASME 72, 1067-1074 (1950), Eq. (6).
8. W. M. Kays and A. L. London, Compact Heat Exchangers, 3rd ed. (Krieger, Malibar, FL, 1998). Third edition copyright 1984. Originally published in 1955.
9. See Ref. 4, p. 190. After the expansion, "vortices develop and gradually disappear" for a short distance, after which the flow begins to develop again in the larger duct.
10. G. W. Swift, "Thermoacoustic engines and refrigerators," in Encyclopedia of Applied Physics (Wiley-VCH, New York, 1997), Vol. 21, pp. 245-264.