Indicator Dispersal by Convection and Diffusion in Fluid Flow Through a Tube

Author:

RICH DAVID C.1,GOODMAN JOHN W.1

Affiliation:

1. Department of Physiology, University of Texas Medical School, Galveston, Texas

Abstract

A tube is filled with water containing indicator and then the indicator is washed out by laminar flow of indicator-free water. Given a measurement of mean volume concentration of indicator in the effluent as a function of time, a theoretical expression is derived for the pattern of indicator delivery in the case where diffusion is superimposed on convective transport. Satisfactory experimental verification of the theoretical expressions was obtained.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Cardiology and Cardiovascular Medicine,Physiology

Reference5 articles.

1. TAYLOR G.: Dispersion of soluble matter in solvent flowing slowly through a tube. Proc. Roy. Soc. (London) Ser. A 219: 186 1953.

2. Theory of the Measurement of the Dispersion of an Indicator in Indicator-Dilution Studies

3. Outflow patterns of indicator dye continuously injected into tubes with laminar flow;NANNINGA L. B.;Texas Rept. Biol. Med.,1962

4. Diffusion of the chromates and dichromates of sodium and potassium. Quoted from Chem;OHOLM L. W.;Abstr.,1941

5. Circulatory system: physical principles. In Medical Physics, ed. by O. Glasser, vol. II, Chicago, Year Book Publishers;GREEN H. D.;Inc.,1950

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Platelet Diffusion in Flowing Blood;Industrial & Engineering Chemistry Fundamentals;1972-05

2. The dispersion of diffusible ions in fluid flow through a cylindrical tube;Journal of Physics D: Applied Physics;1969-10-01

3. Microinjection study of p-aminohippurate excretion by rat kidneys;American Journal of Physiology-Legacy Content;1968-04-01

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