Chair of Engineering Thermodynamics. Institute of Thermal Engineering. Determination of Effective Thermal. Conductivity of Open-Cell Foam Ceramics. P. Götze ...
Chair of Engineering Thermodynamics Institute of Thermal Engineering
Determination of Effective Thermal Conductivity of Open-Cell Foam Ceramics P. Götze, V. Skibina, R. Wulf, M. Emmel, U. Gross, C.G. Aneziris TU Bergakademie Freiberg 20-23. Mai 2012
International Symposium on Ceramic Materials and Components for Energy and Environmental Applications
0.1 Øsensor in mm 0.0 0 SFB920 Multifunctional Filters
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P.Götze of Open-Cell Ceramics
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Detection of Optimal Sensor Size TPS Measurements 0.7 eff
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Detection of Optimal Sensor Size TPS Measurements 0.7 cp in MJ/(m³K)
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Effective Thermal Conductivity over PPI TPS Measurements 0.7 eff
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øSensor= 12,806 mm øSensor= 29,220 mm
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Summary
Preliminary Measurements Specimen–sensor coupling important Effective thermal conductivity λeff λeff,AOF > λeff,LDF λeff increases with PPI number Outlook Enhance contact specimens–sensor Determine optimal measurement parameters Conduct high temperature measurement
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Acknowledgment
The author would like to thank the German Research Foundation (DFG) for supporting these investigations (CRC 920, Subproject B03). Furthermore, thanks also go out to: A. Hegewaldt1 , F. Luthardt2 , G.Standke2 , M. Gröpper1 , S. Kielau1 , N. Bräutigam1 1 2
TU Bergakademie Freiberg Fraunhofer IKTS
Download presentation: http://tu-freiberg.de/fakult4/iwtt/ttd/ Further information CRC 920: http://tu-freiberg.de/ze/sfb920/index.en.html
SFB920 Multifunctional Filters
P.Götze λeff of Open-Cell Ceramics
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Detection of Optimal Sensor Size TPS Measurements 60.0 a in mm²/s 50.0
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Detection of Optimal Sensor Size TPS Measurements 0.5 eff
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Detection of Optimal Sensor Size TPS Measurements 0.50 cp in MJ/(m³K) 0.45
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Detection of Optimal Sensor Size TPS Measurements 8.0 a in mm²/s
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Detection of Optimal Sensor Size TPS Measurements 0.7 eff
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