DOI: 10.1017/s0022112080001280. The measurement of velocity gradients in laminar flow by homodyne light-scattering spectroscopy

The measurement of velocity gradients in laminar flow by homodyne light-scattering spectroscopy

10.1017/s0022112080001280

Crossref journal-article

Cambridge University Press (CUP)

Journal of Fluid Mechanics (56)

Abstract

A technique for measuring velocity gradients in laminar flows by homodyne light scattering is presented. A theory which describes the light-scattering spectrum is derived that includes the effects of different types of linear flow fields, particle diffusion and the intensity profile in the scattering volume. The conditions which must be satisfied in order that the theory describe the experimental situation are outlined and complementary experiments are performed which both verify the theory and apply the technique. Verification is provided using the flow in a Couette device, and the flow due to single rotating cylinder in a large bath of fluid. The technique is then applied to measure the spatial variation of the shear rate in a four-roll mill.

Bibliography

Fuller, G. G., Rallison, J. M., Schmidt, R. L., & Leal, L. G. (1980). The measurement of velocity gradients in laminar flow by homodyne light-scattering spectroscopy. Journal of Fluid Mechanics, 100(3), 555â575.

Authors 4

G. G. Fuller (first)
J. M. Rallison (additional)
R. L. Schmidt (additional)
L. G. Leal (additional)

References 9 Referenced 104

Dates

Type	When
Created	19 years, 4 months ago (April 19, 2006, 10:55 a.m.)
Deposited	2 months ago (June 20, 2025, 10:03 p.m.)
Indexed	2 weeks, 5 days ago (Aug. 6, 2025, 8:58 a.m.)
Issued	44 years, 10 months ago (Oct. 16, 1980)
Published	44 years, 10 months ago (Oct. 16, 1980)
Published Online	19 years, 4 months ago (April 19, 2006)
Published Print	44 years, 10 months ago (Oct. 16, 1980)

Funders 0

None

BibTeX

@article{Fuller_1980, title={The measurement of velocity gradients in laminar flow by homodyne light-scattering spectroscopy}, volume={100}, ISSN={1469-7645}, url={http://dx.doi.org/10.1017/s0022112080001280}, DOI={10.1017/s0022112080001280}, number={3}, journal={Journal of Fluid Mechanics}, publisher={Cambridge University Press (CUP)}, author={Fuller, G. G. and Rallison, J. M. and Schmidt, R. L. and Leal, L. G.}, year={1980}, month=oct, pages={555–575} }

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