Thermal Protection of Buildings

Garant předmětu:

Lecturer:

Tutor:

Supervisor:

Department of Architectural Engineering

Synopsis:

Detailed information for future building physics specialists in the field of thermal protection of buildings and moisture behaviour of structures and buildings. Methods of preparation of input data for calculations, compilation of thermal and moisture balances, possibilities of their programming in commonly available tools, non-stationary models of thermal and moisture behaviour of structures, use of simulation models in practice, solutions to frequently occurring problems in design of buildings with extreme moisture load.

Requirements:

Submission of the assigned exercises and successful completion of the exam.

Syllabus of lectures:

1. Boundary conditions of calculations (outdoor environment parameters and their determination)

2. Boundary conditions of calculations (indoor environment parameters and their determination)

3. Material properties and governing equations (parameters needed for calculation, diffusion and convective-diffusion equations, effects of convection on moisture behaviour of constructions)

4. Moisture transfer and ventilated constructions (moisture processes in the construction, risky assemblies and design recommendations, principle of evaluation of ventilated constructions)

5. Dynamic simulation models of the moisture behaviour of constructions (principle of analysis and their practical use in WUFI)

6. CFD analyses of thermal moisture behaviour of constructions (basic principles of computational evaluation using CFD analysis)

7. Reserve

Syllabus of tutorials:

1. Assessment of the assemblies of constructions (detailed evaluation of the designed assemblies, including analysis of the influence of the initial built-in moisture, tapered layers, thermal bridges, etc.)

2. Evaluation of a ventilated roof (calculation of flow velocity, temperature and relative humidity for different roof shapes, analysis of the effect of roof shape on the moisture behaviour of the construction)

3. Consultation (independent work of students in the PC classroom)

4. Complex modelling of moisture processes (dynamic simulation of thermal moisture behaviour of the model construction, influence of initial built-in moisture)

5. Complex modelling of moisture processes (influence of different surface treatments, influence of rain and solar radiation)

6. Consultation (independent work of students in the PC classroom)

7. Assessment of a simple detail (processing of the detail with the input scheme in DXF format, calculation of the temperature and moisture field, calculation of the lowest internal surface temperature and linear thermal transmittance, analysis of the influence of the internal heat source (underfloor heating))

8. Consultation (independent work of students in PC classroom)

9. Thermal transmittance of the window or curtain wall (indicative and detailed calculation of the thermal transmittance, detailed 2D models of all necessary details)

10. Thermal transmittance of a window or curtain wall (detailed 2D models of all necessary details)

11. Consultation (independent work by students in the PC classroom)

12. Consultation (independent work of students in PC classroom)

13. Credit, reserve

Study Objective:

Acquire knowledge and practice in advanced assessment of thermal and moisture behaviour of building structures and buildings using numerical simulation methods.

Study materials:

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans:

• Budovy a prostředí, specializace Stavební fyzika (PS)