Architecture

Recalls of psychrometry (properties of humid air, psychrometric diagrams, balance equations for air transformations, heating of humid air, cooling of humid air, adiabatic humidification of humid air, steam humidification of humid air , adiabatic mixing of two flows of humid air, heat recovery, winter cycle and summer cycle of humid air treatments Thermohygrometric confort (Thermal comfort in a confined environment, thermoregulation system of the human body, operating temperature, PMV and PPD indices, local thermal discomfort, Comfort requirements for moderate thermal environments, Legislative and regulatory requirements, Adaptation) Indoor air quality (IAQ) (Definition of acceptable air quality, Legislation and regulations, Effects on health and environmental comfort, Pollutants and their sources, Containment of contaminants). Characteristics of the building envelope (Heat transmission, The envelope of buildings , Walls, Windows, doors and closures, Thermal bridges, Surface or interstitial condensation of water vapour, wall wexposed to the sun and sol-air temperature, Window exposed to the sun, Periodic temperature regime on walls) Calculation of thermal loads (Winter thermal load, Summer thermal load, Latent loads) Ventilation requirements in buildings (Ventilation air flow for the dilution of pollutants, Ventilation air flow for room humidity control, Infiltration Air flow) Air conditioning systems (Classification of systems, Heating and cooling systems, Ventilation systems, Heating ventilation systems, Primary air and fan coil air conditioning systems, All-air air conditioning systems, Multi-zone all-air air conditioning systems, Elements of energy saving). Elements of air conditioning systems (Efficiency , Heat exchangers, thermal and cooling energy production systems, air handling units, thermal and cooling energy storage systems, Distribution system, Control system, emission system: terminals , Hydraulic systems for air conditioning – schemes. Distribution networks for heat transfer fluids (General information on the sizing of a pipe, Pressure losses due to friction, Design of a distribution network, Network of pipes for water distribution, Network of ducts for air distribution).

Heat transfer, acustics, lighting, algebra, basics of physics

Progettazione degli impianti di climatizzazione (L. de Santoli, F. Mancini), Seconda Edizione Maggio 2022, Maggioli Editore.

Optional

During the oral examination the student presents the project of a heating system for a dwelling and the project of an air conditioning system for a tertiary use building

Benessere termico, acustico, luminoso (G. Moncada lo Giudice, L. de Santoli), CEA editrice, 1999

Lectures on the blackboard or by projecting slides

1. Analysis of existing legislation in the energy savings 2. The thermophysical characteristics of the building 3. Well-being and energy-saving building design 4. The physical-technical unit of measure and measurement techniques 5. Winter and summer thermal loads, Primary energy needs 6. Air-conditioning systems and building types - Classification (Variable flow “All air” system, Costant flow “All air” system, Air-water mixed systems 7. The psychrometric chart 8. Fluid flow (Pipes for water supply, Ducts for air distribution, Example of sizing systems) 9. Central heat and cooling - Functional diagrams - Design criteria and maintenance 10. Air filtration - Characteristics of filter systems - Selection criteria and applications 11. Renewable energy installations 12. Acoustics: fundamentals. 13. Lighting: fundamentals.

It is essential that the student possess basic theoretical knowledge on the topics of heat transmission and psychrometry, acquired in the propaedeutic teaching of Environmental Technical Physics.

Progettazione degli Impianti di Climatizzazione (L. de Santoli, F. Mancini), Maggioli Editore, 2017

Lectures in the classroom by video projection support.

The attendance is optional

The knowledge check will be carried out by means of a numerical exercise dealing with the air conditioning system design for a small building and by the final oral exam as well.

Benessere termico, acustico, luminoso (G. Moncada lo Giudice, L. de Santoli), CEA editrice, 1999 Le Comunità dell’energia (L. de Santoli), Quod Libet, 2011 Territorio Zero (L. de Santoli, Angelo Consoli), Minimum Fax, 2013.

Lectures in the classroom by video projection support.