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Characterization of the permeability and the thermal conductivity of graded sintered open-cell metallic foams

Brendelberger, Stefan and Schulze, Sebastian and Fend, Thomas and Pitz-Paal, Robert (2009) Characterization of the permeability and the thermal conductivity of graded sintered open-cell metallic foams. Metfoam 2009, 1.-4.sep. 2009, Bratislava, Slowakia.

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Abstract

Metal foams with a gradation in one direction are fabricated and local material properties are determined. The local topology is determined via X-ray tomography. The homogenised thermal conductivity is measured using a Transient Plane Source Technique, also known as HotDisk, and the permeability is measured with a pressure drop experiment. The measurements are done at different positions along the gradation. The experiments demonstrate that the topology of metal foams can be varied within the same foam sample and that properties of the foams like permeability and thermal conductance change accordingly.

Document Type:Conference or Workshop Item (Poster)
Title:Characterization of the permeability and the thermal conductivity of graded sintered open-cell metallic foams
Authors:
AuthorsInstitution or Email of Authors
Brendelberger, Stefanstefan.brendelberger@dlr.de
Schulze, SebastianUNSPECIFIED
Fend, ThomasUNSPECIFIED
Pitz-Paal, RobertUNSPECIFIED
Date:2009
Keywords:Metal Foams, effective thermal conductivity, dispersive effects
Event Title:Metfoam 2009
Event Location:Bratislava, Slowakia
Event Type:international Conference
Event Dates:1.-4.sep. 2009
Organizer:Institute of Materials and Machine Mechanics, Slovak Academy of Sciences
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:E SF - Solar research (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Applikationsentwicklung (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Technical Thermodynamics > Solar Research
Deposited By: Dr.-Ing. Thomas Fend
Deposited On:21 Jan 2011 15:16
Last Modified:21 Jan 2011 15:16

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