DOI: 10.1017/s0022112073000716. Pipe flow measurements of turbulence and ambiguity using laser-Doppler velocimetry

Pipe flow measurements of turbulence and ambiguity using laser-Doppler velocimetry

10.1017/s0022112073000716

Crossref journal-article

Cambridge University Press (CUP)

Journal of Fluid Mechanics (56)

Abstract

The laser-Doppler ambiguities predicted by George & Lumley have been verified experimentally for turbulent pipe flows. Experiments were performed at Reynolds numbers from 5000 to 15000 at the centre-line and near the wall. Ambiguity levels were measured from power spectral densities of FM demodulated laser signals and compared with calculations based on the theory. The turbulent spectra for these water flows after accounting for the ambiguity were equivalent to hot-film measurements at similar Reynolds numbers. The feasibility of laser-Doppler measurements very close to the wall in shear flows is demonstrated.

Bibliography

Berman, N. S., & Dunning, J. W. (1973). Pipe flow measurements of turbulence and ambiguity using laser-Doppler velocimetry. Journal of Fluid Mechanics, 61(2), 289â299.

Authors 2

N. S. Berman (first)
J. W. Dunning (additional)

References 10 Referenced 21

George, W. K. & Lumley, J. L. 1973 J. Fluid Mech. 60,321. (10.1017/S0022112073000194)
Rice, S. O. 1948 Bell Syst. Tech. J. 27,109–157. (10.1002/j.1538-7305.1948.tb01334.x)
Edwards, R. V. , Angus, J. C. & Dunning, J. W. 1973 J. Appl. Phys. 44,1694–1698. (10.1063/1.1662433)
Dunning, J. W. & Berman, N. S. 1972 Symp. on Turbulence in Liquids, University of Missouri, Rolla, TMX-67969.
Edwards, R. V. , Angus, J. C. , French, M. J. & Dunning, J. W. 1971 J. Appl. Phys. 42,837–850. (10.1063/1.1660102)
Goldstein, R. J. & Kreid, D. K. 1967 J. Appl. Mech. E 34,813. (10.1115/1.3607839)
Eckelmann, H. 1970 An experimental investigation in a turbulent channel flow with a thick viscous sublayer.Max-Planck Inst. Fluid Mech., Göttingen, Rep. no. 48.
Brumbach, R. P. 1968 Digital Computer Routines for Power Spectral Analysis .Santa Barbara, California:A. C. Electronics.
Resch, F. & Coantic, M. 1969 Houille Blanche,24,151. (10.1051/lhb/1969013)
Laufer, J. 1954 The structure of turbulence in fully developed pipe flow.N.A.C.A. Tech. Rep. no. 1174.

Dates

Type	When
Created	19 years, 5 months ago (March 29, 2006, 3:07 a.m.)
Deposited	6 years, 4 months ago (April 5, 2019, 2:49 p.m.)
Indexed	2 months, 1 week ago (June 21, 2025, 12:47 a.m.)
Issued	51 years, 9 months ago (Nov. 6, 1973)
Published	51 years, 9 months ago (Nov. 6, 1973)
Published Online	19 years, 5 months ago (March 29, 2006)
Published Print	51 years, 9 months ago (Nov. 6, 1973)

Funders 0

None

BibTeX

@article{Berman_1973, title={Pipe flow measurements of turbulence and ambiguity using laser-Doppler velocimetry}, volume={61}, ISSN={1469-7645}, url={http://dx.doi.org/10.1017/s0022112073000716}, DOI={10.1017/s0022112073000716}, number={2}, journal={Journal of Fluid Mechanics}, publisher={Cambridge University Press (CUP)}, author={Berman, N. S. and Dunning, J. W.}, year={1973}, month=nov, pages={289–299} }

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