Paramagnetic tracer concentration evolution by NMR relaxation time mapping: Application to Aris-Taylor dispersion

Y. E. Kutsovsky; V. Alvarado; L. E. Scriven; H. T. Davis; B. E. Hammer

doi:10.1016/S0730-725X(97)00240-3

Paramagnetic tracer concentration evolution by NMR relaxation time mapping: Application to Aris-Taylor dispersion

Y. E. Kutsovsky, V. Alvarado, L. E. Scriven, H. T. Davis, B. E. Hammer

Radiology

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Abstract

A procedure to study tracer dispersion was proposed and tested for the case of tracer spreading in tube flow. Concentration maps of paramagnetic tracers Gd³⁺ were measured in time through direct measurements of spin lattice relaxation time T₁ obtained by using a two-point stimulated echo pulse sequence. The procedure was used to test the linear dependence of Peclet number on inverse velocity in the range of flow rates 0.3-1.2 cc/min.

Original language	English (US)
Pages (from-to)	63-71
Number of pages	9
Journal	Magnetic Resonance Imaging
Volume	16
Issue number	1
DOIs	https://doi.org/10.1016/S0730-725X(97)00240-3
State	Published - Jan 1998

Bibliographical note

Funding Information:
Acknowledgments—This work was sponsored in part by the Army High Performance Computing Research Center under the auspices of the Department of the Army, Army Research Laboratory Cooperative Agreement No. DAAAH04-95-2-0003/Contract No. DAAH04-95-C-0008, the content of which does not necessarily reflect the position or the policy of the goverment, and no official endorsement should be inferred.

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Copyright 2007 Elsevier B.V., All rights reserved.

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abstract = "A procedure to study tracer dispersion was proposed and tested for the case of tracer spreading in tube flow. Concentration maps of paramagnetic tracers Gd3+ were measured in time through direct measurements of spin lattice relaxation time T1 obtained by using a two-point stimulated echo pulse sequence. The procedure was used to test the linear dependence of Peclet number on inverse velocity in the range of flow rates 0.3-1.2 cc/min.",

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AU - Davis, H. T.

AU - Hammer, B. E.

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Paramagnetic tracer concentration evolution by NMR relaxation time mapping: Application to Aris-Taylor dispersion

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