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Investigation of Microclimate by CFD Modeling of Moisture Interactions between Air and Constructions

Mortensen, L. H., Woloszyn, M., Rode, C. and Peuhkuri, R.
2007
Journal of Building Physics, 30: 279-315.

Mortensen, L. H., Woloszyn, M., Rode, C. and Peuhkuri, R., (2007), "Investigation of Microclimate by CFD Modeling of Moisture Interactions between Air and Constructions", Journal of Building Physics, 30: 279-315.
Abstract:
There is a strong demand for accurate moisture modeling since moisture poses a risk for both the constructions and the indoor climate. This investigation has special focus on moisture modeling. This study describes a new model based on a CFD tool enhanced to include both detailed modeling of airflows in rooms and heat and moisture transfer in walls by applying them as fluid walls. The impacts of different boundary conditions and how these influence microclimates in rooms are investigated, in a 3D configuration. The studied microclimate is a piece of furniture placed near a cold exterior wall.

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Author Information and Other Publications Notes
Mortensen, L. H.
     
Woloszyn, M.
  1. eds. Annex 41 Final Report, Volume 1: Modelling Principles and Common Exercises
  2. Modelling of hysteresis influence on mass transfer in building materials
  3. Moisture propagation in multizone buildings proposition of a coupled energy-moisture-airflow model
  4. The effect of combining a relative-humidity-sensitive ventilation system with the moisture-buffering capacity of materials on indoor climate and energy efficiency of buildings
  5. Tools for performance simulation of heat, air and moisture conditions of whole buildings  
Rode, C.
Carsten Rode Pedersen
  1. eds. Annex 41 Final Report, Volume 1: Modelling Principles and Common Exercises
  2. Empirical validation of a transient computer model for combined heat and moisture transfer
  3. Experimental investigation of the hygrothermal performance of insulation materials
  4. Full-scale testing of indoor humidity and moisture buffering in building materials
  5. Global building physics
  6. International building physics toolbox, general report
  7. Latent heat flow in lightweight roofs and its influence on the thermal performance of buildings
  8. Model and experiments for hygrothermal conditions of the envelope and indoor air of buildings
  9. Moisture buffer value of building materials
  10. Moisture Buffer Value of Materials in Buildings
  11. Moisture buffering of building materials
  12. Moisture conditions of non-ventilated, wood-based, membrane-roof components
  13. Moisture: its effects on the thermal performance of a low-slope roof system
  14. Non-isothermal water vapour transmission through porous insulation. Part 1: The climate chamber
  15. Organic insulation materials: effect on indoor humidity and necessity of a vapor barrier
  16. Test cell measurements of moisture buffer effects
  17. The importance of moisture buffering for indoor climate and energy conditions of buildings
  18. The International Building Physics Toolbox in Simulink
  19. The self-drying concept for flat roofs
  20. Tools for performance simulation of heat, air and moisture conditions of whole buildings
  21. Whole-building Hygrothermal Simulation Model  
Peuhkuri, R.
  1. International building physics toolbox, general report
  2. Moisture and bio-deterioration risk of building materials and structuresL?hdesm?ki
  3. Moisture buffer value of building materials
  4. Moisture Buffer Value of Materials in Buildings
  5. Moisture dynamics in building envelopes
  6. Non-isothermal water vapour transmission through porous insulation. Part 1: The climate chamber
  7. The International Building Physics Toolbox in Simulink
  8. Towards modelling of decay risk of wooden materials  


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