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Correlation Function Analysis of Fiber Networks: Implications for Thermal ConductivityThe heat transport in highly porous fiber structures is investigated. The fibers are supposed to be thin, but long, so that the number of the inter-fiber connections along each fiber is large. We show that the effective conductivity of such structures can be found from the correlation length of the two-point correlation function of the local conductivities. Estimation of the parameters, determining the conductivity, from the 2D images of the structures is analyzed.
Document ID
20110015767
Acquisition Source
Ames Research Center
Document Type
Preprint (Draft being sent to journal)
Authors
Martinez-Garcia, Jorge (Eidgenoessische Technische Hochschule Zurich, Switzerland)
Braginsky, Leonid (Eidgenoessische Technische Hochschule Zurich, Switzerland)
Shklover, Valery (Eidgenoessische Technische Hochschule Zurich, Switzerland)
Lawson, John W. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 25, 2013
Publication Date
January 1, 2011
Subject Category
Composite Materials
Report/Patent Number
ARC-E-DAA-TN3834
Funding Number(s)
CONTRACT_GRANT: Swiss NSF 200021-130274/1
Distribution Limits
Public
Copyright
Public Use Permitted.

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