Course Details
Thermal engineering
Academic Year 2024/25
BHB005 course is part of 3 study plans
BPC-SI / VS Summer Semester 2nd year
BKC-SI Summer Semester 2nd year
BPA-SI Summer Semester 2nd year
Course Guarantor
Institute
Language of instruction
Czech, English
Credits
4 credits
Semester
summer
Forms and criteria of assessment
course-unit credit and examination
Offered to foreign students
To offer to students of all faculties
Course on BUT site
Lecture
13 weeks, 1 hours/week, elective
Syllabus
1. Introduction, motivation, historical development, related laws, regulations, standards, heat transfer.
2. Thermal properties of building materials, sources of information, definition of thermal comfort.
3. Boundary conditions for calculations, definition of steady state thermal field, thermal resistance, total therma resistance.
4. Thermal transmittance - calculation when considering one-dimensional or two-dimensional heat transfer, evaluation, influence of reflective properties of materials.
5. The average (overal) thermal transmittance of the building envelope,the energy label of the building envelope.
6. Temperatures in building structures in steady state temperature field, lowest internal surface temperature of the structure, calculation of the temperature factor at the internal surface and its evaluation.
7. Calculation of the thermal transmittance when of one-dimensional heat transfer cannot be applied, thermal bridges, linear and point thermal transmittance
8. Water vapour tranfer through the building structures, calculation of the interstitial condensation , calculation of the annual balance of interstitial evaporation and condensation and evaluation.
9. Description of non steady temperature field, thermal damping, drop of the touch temperature of the floors and its evaluation.
10. Thermal room stability in summer and winter, definition of critical room, evaluation.
11. Introduction to the energy performance of the building, introduction to the energy performance certificate of the building.
12. Air permeability of building envelope, airtightness measurement, diagnostics of building structures by infrared thermography method.
Exercise
13 weeks, 2 hours/week, compulsory
Syllabus
1. Introduction, calculation of thermal resistance and thermal transmittance of existing structures.
2. Design of new structures, thermal insulation of existing structures, drawings of renovated building.
3. Calculation and assessment of thermal transmittance of new structures.
4. Design of windows and doors, calculation of thermal transmittance.
5. Calculation and assessment of average thermal transmittance.
6. Simplified calculation of thermal transmittance of the composite structure.
7. Internal surface temperature and temperature factor at the internal surface .
8. Temperature evolution in the structure.
9. Interstitial condensation.
10. Annual balance of condensed and evaporated water vapour.
11. Assessment of selected structures with the use of selected software.
12. Informative calculation of two-dimensional temperature field using software, credit.