FAQ:FAQ General

Questions and Answers

This collection of Questions and Answers refers to the one-dimensional version of WUFI. Some of the program features mentioned here may not apply to WUFI-2D.

1. Sources of Material Data
2. Sources of Climate Data
3. Volume Percent, Mass Percent
4. Relative Humidity in a Building Component
5. Default Moisture Storage Function
6. Water Content of an Air Layer
7. Convergence Failure Caused by Vapor-Permeable Layer
8. Moisture Content at a Monitoring Position
9. Liquid Transport Coefficient of a Paint Layer
10. Rain Absorption Factor of an Unrendered Sandstone Wall
11. Hygric Parameters of Ecological Insulation Materials
12. Typical Initial Moisture Content
13. Water-Repellent Facade
14. Simulation of Absorption Experiment
15. Absorption Experiment with Limited Water Supply
16. Why Never 100% RH in the Component?
17. 100% RH at the Facade
18. Criteria for Evaluating Hygrothermal Performance
19. Ventilated Curtain Walls
20. Heat Flow Through Exterior Surface Is Not Realistic?
21. More Recent Weather Data?
22. Averaging of Conductivities at Element Boundaries
23. Conversion of Radiation Data for Other Directions