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Tools for performance simulation of heat, air and moisture conditions of whole buildings

Woloszyn, M. and Rode, C.
2008
Journal Building Simulation, 1: 5-24
modelling - heat - air - moisture - whole building

Woloszyn, M. and Rode, C., (2008), "Tools for performance simulation of heat, air and moisture conditions of whole buildings", Journal Building Simulation, 1: 5-24.
Abstract:
Humidity of indoor air is an important factor influencing the air quality and energy consumption of buildings as well as durability of building components. Indoor humidity depends on several factors, such as moisture sources, air change, sorption in materials and possible condensation. Since all these phenomena are strongly dependent on each other, numerical predictions of indoor humidity need to be integrated into combined heat and airflow simulation tools. The purpose of a recent international collaborative project, IEA ECBCS Annex 41, has been to advance development in modelling the integral heat, air and moisture transfer processes that take place in "whole buildings" by considering all relevant parts of its constituents. It is believed that full understanding of these processes for the whole building is absolutely crucial for future energy optimization of buildings, as this cannot take place without a coherent and complete description of all hygrothermal processes. This paper will illustrate some of the modelling work that has taken place within the project and present some of the simulation tools used.

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Author Information and Other Publications Notes
Woloszyn, M.
  1. eds. Annex 41 Final Report, Volume 1: Modelling Principles and Common Exercises
  2. Investigation of Microclimate by CFD Modeling of Moisture Interactions between Air and Constructions
  3. Modelling of hysteresis influence on mass transfer in building materials
  4. Moisture propagation in multizone buildings proposition of a coupled energy-moisture-airflow model
  5. 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  
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. Investigation of Microclimate by CFD Modeling of Moisture Interactions between Air and Constructions
  8. Latent heat flow in lightweight roofs and its influence on the thermal performance of buildings
  9. Model and experiments for hygrothermal conditions of the envelope and indoor air of buildings
  10. Moisture buffer value of building materials
  11. Moisture Buffer Value of Materials in Buildings
  12. Moisture buffering of building materials
  13. Moisture conditions of non-ventilated, wood-based, membrane-roof components
  14. Moisture: its effects on the thermal performance of a low-slope roof system
  15. Non-isothermal water vapour transmission through porous insulation. Part 1: The climate chamber
  16. Organic insulation materials: effect on indoor humidity and necessity of a vapor barrier
  17. Test cell measurements of moisture buffer effects
  18. The importance of moisture buffering for indoor climate and energy conditions of buildings
  19. The International Building Physics Toolbox in Simulink
  20. The self-drying concept for flat roofs
  21. Whole-building Hygrothermal Simulation Model  


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