Examples for

# Psychrometrics

The field of psychrometrics studies the physical and thermodynamic properties of moist air. Use Wolfram|Alpha to calculate the properties of air, examine the processes of adjusting the temperature or humidity of moist air and explore the final state of two mixing air streams.

### Moist Air

Compute the properties of moist air, such as dew point, sound speed and humidity ratio.

#### Compute properties of moist air:

#### Calculate a humidity ratio:

#### Calculate absolute humidity:

#### Calculate specific humidity:

#### Determine the moisture content of moist air:

#### Compute the travel time for sound in moist air:

### Heating & Cooling

Examine the process of cooling or heating moist air from initial to final state.

#### Analyze the heating or cooling of moist air:

### Sound Attenuation

Calculate the absorption coefficients for moist air based on humidity, temperature and distance.

#### Compute the sound absorption coefficients for moist air:

### Humidification

Examine the process of humidifying air, including the properties of the initial and final states.

#### Analyze the humidification of moist air:

### RELATED EXAMPLES

### Mixing Air Streams

Compute the final state of two mixing air streams.