[1106] - Exchange relaxometry of flow at small Peclet numbers in a glass bead pack

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Olaru, A., Kowalksi, J., Sethi, V., Blümich, B., 2012. Exchange relaxometry of flow at small Peclet numbers in a glass bead pack. Journal of Magnetic Resonance, 220, 32 - 44. DOI: 10.1016/j.jmr.2012.04.015.
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Title(s):Main Title: Exchange relaxometry of flow at small Peclet numbers in a glass bead pack
Description(s):Abstract: In this paper we consider low Peclet number flow in bead packs. A series of relaxation exchange experiments has been conducted and evaluated by ILT analysis. In the resulting correlation maps, we observed a collapse of the signal and a translation towards smaller relaxation times with increasing flow rates, as well as a signal tilt with respect to the diagonal. In the discussion of the phenomena we present a mathematical theory for relaxation exchange experiments that considers both diffusive and advective transport. We perform simulations based on this theory and discuss them with respect to the conducted experiments.
Identifier(s):DOI: 10.1016/j.jmr.2012.04.015
Relation(s):Is Version Of: URL: http://www.tr32db.uni-koeln.de/data.php?dataID=664
Responsible Party
Creator(s):Author: Alexandra Olaru
Author: Julia Kowalksi
Author: Vaishali Sethi
Author: Bernhard Blümich
TR32 Topic:Soil
Related Sub-project(s):A1
Subject(s):CRC/TR32 Keywords: Low-Field NMR, Water Fluxes, Water Content, Soil
DDC: 500 Natural sciences and mathematics
File Details
File Name:Olaru_2012_JMR.pdf
Data Type:Text
Size(s):12 Pages
File Size:1653 kB (1.614 MB)
Date(s):Available: 2012-09-28
Mime Type:application/pdf
Data Format:PDF
Download Permission:OnlyTR32
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Licence:TR32DB Data policy agreement
North:-no map data
Measurement Region:Laboratory
Measurement Location:--Laboratory--
Specific Informations - Publication
Article Type:Journal
Source:Journal of Magnetic Resonance
Number Of Pages:12
Page Range:32 - 44
Metadata Details
Metadata Creator:Markus Küppers
Metadata Created:2016-05-11
Metadata Last Updated:2016-12-01
Funding Phase:1
Metadata Language:English
Metadata Version:V41
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