Properties of Moist Air

Moist air serves as the heating and cooling medium of an occupied space, and therefore is a critical element in establishing thermal comfort. This lesson examines the properties and measurement of moist air that allow building designers to control and condition indoor air.

Learning Objectives

At the conclusion of this lesson, you will be able to:

• Define psychrometrics
• Differentiate dry-bulb temperature from wet-bulb temperature
• Identify the properties of air that can be measured with a Psychrometric chart
• Explain how dew point and relative humidity can be measured
• Define total heat

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