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Coupled simulation of heat and moisture transport in air and porous materials for the assessment of moisture related damage

Steeman, H.J., Van_Belleghem, M. V., Janssens, A. and Paepe, M.
2009
Building and Environment, 44(10): 2176-2184
Computational fluid dynamics; Porous materials; Moisture related damage; Microclimate vitrine

Steeman, H.J., Van_Belleghem, M. V., Janssens, A. and Paepe, M., (2009), "Coupled simulation of heat and moisture transport in air and porous materials for the assessment of moisture related damage", Building and Environment, 44(10): 2176-2184.
Abstract:
This paper describes the coupling of a model for heat and moisture transport in porous materials to a commercial Computational Fluid Dynamics (CFD) package. The combination of CFD and the material model makes it possible to assess the risk of moisture related damage in valuable objects for cases with large temperature or humidity gradients in the air. To couple both models the choice was made to integrate the porous material model into the CFD package. This requires the heat and moisture transport equations in the air and the porous material to be written down in function of the same transported variables. Validation with benchmark experiments proved the good functionality of the coupled model. A simulation study of a microclimate vitrine for paintings shows that phenomena observed in these vitrines are well predicted by the model and that data generated by the model provides additional insights in the physical mechanisms behind these phenomena.

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Author Information and Other Publications Notes
Steeman, H. J.
  1. CFD modelling of HAM transport in buildings: The importance of local indoor climate
  2. Evaluation of the different definitions of the convective mass transfer coefficient for water evaporation into air
  3. Modelling indoor air and hygrothermal wall interaction in building simulation: Comparison between CFD and a well-mixed zonal model
  4. On coupling 1D non-isothermal heat and mass transfer in porous materials with a multizone building energy simulation model
  5. On the applicability of the heat and mass transfer analogy in indoor air flows
  6. Sensitivity analysis of CFD coupled non-isothermal heat and moisture modelling  
Van_Belleghem, M. V.
     
Janssens, A.
Building Physics, Construction and Services http://aivwww.rug.ac.be/Onderzoeksbeleid/techno2002/EN/TW/I-TW01V02.htm
  1. Application of a new type of air and vapor retarder in a self-drying sloped roof with a cathedral ceiling
  2. Benchmark experiments for moisture transfer modelling in air and porous materials
  3. CFD modelling of HAM transport in buildings: The importance of local indoor climate
  4. Condensation risk assessment
  5. Evaluation of the different definitions of the convective mass transfer coefficient for water evaporation into air
  6. Experimental validation and sensitivity analysis of a coupled BES-HAM model
  7. Heat and moisture response of vented and compact cathedral ceilings: a test house evaluation
  8. Impact of whole-building hygrothermal modelling on the assessment of indoor climate in a library building
  9. Inquiry on HAMCAT codes
  10. Modelling indoor air and hygrothermal wall interaction in building simulation: Comparison between CFD and a well-mixed zonal model
  11. On coupling 1D non-isothermal heat and mass transfer in porous materials with a multizone building energy simulation model
  12. On the applicability of the heat and mass transfer analogy in indoor air flows
  13. Reliable control of interstitial condensation in lightweight roof systems, calculation and assessment methods
  14. Sensitivity analysis of CFD coupled non-isothermal heat and moisture modelling  
Paepe, M.
  1. Benchmark experiments for moisture transfer modelling in air and porous materials
  2. CFD modelling of HAM transport in buildings: The importance of local indoor climate
  3. Evaluation of the different definitions of the convective mass transfer coefficient for water evaporation into air
  4. Experimental validation and sensitivity analysis of a coupled BES-HAM model
  5. Impact of whole-building hygrothermal modelling on the assessment of indoor climate in a library building
  6. On coupling 1D non-isothermal heat and mass transfer in porous materials with a multizone building energy simulation model
  7. On the applicability of the heat and mass transfer analogy in indoor air flows
  8. Sensitivity analysis of CFD coupled non-isothermal heat and moisture modelling  


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