Portale di Ateneo - Unibs.it Portale di Ateneo - Unibs.it

INTRODUCTION

The building system and its performances.
Energy performances, environmental performances, other performances. Italian and european standards for energy performances of building and systems. Building future.
Energy issues: the certification and the design. The operation of building and systems.
Envelope balance, final balance and primary energy balance.

Daylighting and solar control

Light, natural light and the total flux method. RAI and FLD.
i. Illuminance and Daylight factor
ii. The design of the window: daylighting
iii. Heat loads and the windows
WORK: FLD calculation and window design. Spreadsheet.

Insulation

Thermal insulation materials and thermal transmittance. The standard ISO 6946.
i. Materials
ii. Thermal resistances
iii. Thermal transmittances
WORK: Exercises. U-value of walls. Temperature distribution profile. Spreadsheet.

Heat fluxes and thermal bridges (mention)

Thermal insulation materials and thermal transmittance. The standard ISO 6946.
i. Heat fluxes
ii. Thermal losses.
iii. Ventilation losses (IAQ, air exchange rate)
iv. Average U-value; S/V ratio
v. The climate (temperature)
WORK: Exercises. Heat fluxes. Spreadsheet.

Windows

Insulation and gains for transparent components. The ISO 10077 standard. Windows, light and solar control technologies
i. U-value
ii. g-value
iii. Shading systems
iv. The climate (irradiance)
WORK: U-window and g-window calculation. Spreadsheet.

The energy performance based design of the building

The climate analysis. The heat loads. The ISO 13790 standard.
i. Monthly and seasonal heat loads. The utilization factor
ii. The climate analysis
iii. Parametric issues
iv. The case study
WORK: Heat balance. Spreadsheet. Software to be trained with: CimateConsultant

Detailed analysys/Topics

Thermal bridges (ISO 10211). Solar gains on opaque walls. The ground heat transfer. The ISO 13790 standard.
i. Heat bridges: types and influence on the heat load
ii. Parametric issues.
iii. Refurbishment and new construction: different strategies (envelope, heating systems, renewable energy sources). The zero energy buildings
WORK: Heat balance. Spreadsheet.

HVAC systems and Renewables energy sources

Heating systems and their efficiency (UNI TS 11300-2); renewable energy issues.
i. Heating plants and technologies.
ii. Hot water energy load.
iii. Domestic and illumination loads. Other loads.
iv. Thermal solar
v. PV solar
WORK: Solar thermal and photovoltaic dimensioning. Spreadsheet.

Acoustics

Acoustical issues in to buildings
i. Indoor environment, reverberation time and acoustical absorbance
ii. Acoustical insulation of the envelope
iii. Impact acoustical insulation and floors
WORK: Exercises. Spreadsheet.

Condensation

Condensation issues in to buildings
i. Indoor environment, and psychrometry of humid air
ii. Surface condensation and heat bridges
iii. Mass transfer and condensation: the diffusion
WORK: Exercises. Spreadsheet.

Summer season

Overheating during sumemr period in to buildings
i. Thermal inertia
ii. The equilibrium temperature
iii. Dynamic modeling
iv. Passive cooling strategies. Adaptive thermal comfort.

Design and optimization of the case study in the specific climate.

Last days of the course will be kept to work on the case study. Workshop activities.