Objectives Psychometrics Psychometrics of AHU.

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Presentation transcript:

Objectives Psychometrics Psychometrics of AHU

AHU

Sensible heating

Dehumidification by Cooling

Real Dehumidification Process

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

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

Evaporative Cooling (air washing)

Condition Line for a Space

HVAC Systems Unlimited number You can make your system We will study several most common applied in practice http://www.ce.utexas.edu/prof/Novoselac/classes/ARE389H/Handouts.html

Heating and Humidification Zone – any space with a thermostat

Cooling

Recirculation 13

Reheat 14

Evaporative Cooler 15