An experimental study of gas exchange in laminar oscillatory flow-Reference-Cited by-同舟云学术

An experimental study of gas exchange in laminar oscillatory flow

Published:1983-08 Issue: Volume:133 Page:245-254
ISSN:0022-1120
Container-title:Journal of Fluid Mechanics
language:en
Short-container-title:J. Fluid Mech.

Author:

Joshi C. H.,Kamm R. D.,Drazen J. M.,Slutsky A. S.

Abstract

Experiments were conducted to determine the effective diffusivity for axial transport through a tube of circular cross-section of a contaminant gas in oscillatory flow. Results were compared with the theoretical predictions of Watson (1983) and found to be in excellent agreement. The experiments differ from the theoretical situation in that the oscillations are superimposed upon a steady flow due to a constant infusion of tracer gas, and a buoyancy-induced flow associated with spatial variations in gas density. The influence of both artifacts is found to be negligible.

Publisher

Cambridge University Press (CUP)

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Reference14 articles.

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3. Watson, E. J. 1983 Diffusion in oscillatory pipe flow J. Fluid Mech. 133,233–244.

4. Slutsku, A. , Drazen, J. M. , Ingram, R. H. , Kamm, R. D. , Shapiro, A. H. , Fredberg, J. J. , Loring, S. H. & Lehr, J. 1980 Effective pulmonary ventilation with small-volume oscillations at high frequency Science 209,609–611.

5. Chatwin, P. C. 1975 On the longitudinal dispersion of passive contaminant in oscillatory flows in tubes J. Fluid Mech. 71,513–527.

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