Event Title
The application of Computed Tomography for characterising the pore structure of building materials
Conference Editor
Jianshun Zhang; Edward Bogucz; Cliff Davidson; Elizabeth Krietmeyer
Keywords:
Micro-CT, Pore network properties, Hygric properties, Heat transfer simulation
Location
Syracuse, NY
Event Website
http://ibpc2018.org/
Start Date
26-9-2018 10:30 AM
End Date
26-9-2018 12:00 PM
Description
Flow and transport phenomena in porous media play a significant role in various fields of science and technology, comprising a spectrum from medical sciences over material sciences to soil and rock sciences. Also in building materials, the transfer of moisture and heat play a crucial role when assessing their properties and performances. Hence, three-dimensional analyses of the pore structure of building materials are becoming progressively more important in recent years, to obtain more accurate interpretations and simulations of their characteristics. Computed tomography has proven to be an excellent and versatile tool to perform these analyses non-destructively. The reconstruction of the pore structure is of high importance for establishing accurate models, as it plays a crucial role in determining important characteristics of building materials. These models allow to better understand the results of corresponding laboratory tests and in the near future might replace these time consuming experiments. In this paper the added value of Computed Tomography characterization will be demonstrated based on two case studies. The first will focus on the accurate simulation of moisture transfer while in the second one CT datasets are used to overcome a multiscale problem regarding the simulation of the effective thermal conductivity.
Recommended Citation
Claes, Steven; De Walle, Wouter Van; Islahuddin, Muhammad; and Janssen, Hans, "The application of Computed Tomography for characterising the pore structure of building materials" (2018). International Building Physics Conference 2018. 6.
DOI
https://doi.org/10.14305/ibpc.2018.ms-7.06
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 4.0 International License.
The application of Computed Tomography for characterising the pore structure of building materials
Syracuse, NY
Flow and transport phenomena in porous media play a significant role in various fields of science and technology, comprising a spectrum from medical sciences over material sciences to soil and rock sciences. Also in building materials, the transfer of moisture and heat play a crucial role when assessing their properties and performances. Hence, three-dimensional analyses of the pore structure of building materials are becoming progressively more important in recent years, to obtain more accurate interpretations and simulations of their characteristics. Computed tomography has proven to be an excellent and versatile tool to perform these analyses non-destructively. The reconstruction of the pore structure is of high importance for establishing accurate models, as it plays a crucial role in determining important characteristics of building materials. These models allow to better understand the results of corresponding laboratory tests and in the near future might replace these time consuming experiments. In this paper the added value of Computed Tomography characterization will be demonstrated based on two case studies. The first will focus on the accurate simulation of moisture transfer while in the second one CT datasets are used to overcome a multiscale problem regarding the simulation of the effective thermal conductivity.
https://surface.syr.edu/ibpc/2018/MS7/6
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