1. Objectives
Psychometrics
Psychometrics of AHU

2. AHU

3. Sensible heating

4. Dehumidification by Cooling

5. Real Dehumidification Process

6. Transport of saturated air
tsurface < tdp
Condensation
Mold in a duct

7. Humidification hw Specific enthalpy of water added to system
hg Specific enthalpy of saturated water vapor

8. Evaporative Cooling (air washing)

9. Condition Line for a Space

10. HVAC Systems Unlimited number
You can make your system
We will study several most common applied in practice

11. Heating and Humidification
Zone – any space with a thermostat

12. Cooling

13. Recirculation 13

14. Reheat 14

15. Evaporative Cooler 15