1. Advanced Energy Engineering Technology Modeling Building Energy Systems Session 8: Foundations of heating, cooling and ventilating systems

2. Topics covered in this class session: Properties of air How heat moves Fluid mechanics Thermal comfort and air quality

3. Properties of air Air as a mass in buildings Positive and negative pressure

4. How heat moves Radiation Convection Conduction

5. Thermodynamics and fluid mechanics in HVAC Applications of what we learned Forms of energy The basic refrigeration cycle Psychrometrics

6. HVAC and comfort Thermal comfort—temperature and humidity Air quality

7. Lab 3: On-site visit: continue data gathering – Instructor’s presentation Field questions Instruct teams to proceed with: – Looking at building anomalies (differing from drawings) – Auditing lighting, other equipment and plug load – Lab activities: students proceed to complete data gathering at their building sites.