3. Thermal Comfort: Definition and Psychrometric Properties

Try these first

1. 1.

   What does thermal comfort mean?

   Hint

   Think about how you feel in different temperatures.

2. 2.

   Name one factor that affects thermal comfort.

   Hint

   Consider different environments you've been in.

3. 3.

   What temperature range is considered ideal for thermal comfort?

   • 10-15°C
   • 20-27°C
   • 30-35°C

   Hint

   Think about normal room temperatures that feel pleasant.

4. 4.

   True or False: Relative humidity has no effect on thermal comfort.

   • True
   • False

   Hint

   Consider how a humid day feels compared to a dry day.

5. 5.

   A group of workers complains about discomfort in an office setting. The temperature is set at 25°C, and the humidity is at 70%. Analyze potential factors causing discomfort.

   Hint

   Consider how humidity affects cooling sensations.

6. 6.

   Design a small room HVAC strategy maintaining thermal comfort for a 200 sq ft room with two occupants. What should be the temperature and humidity targets?

   Hint

   Think about comfort standards provided by organizations like ASHRAE.