4.4. System Modeling Methods

Try these first

1. 1.

   What is the definition of Dry Bulb Temperature (DBT)?

   Hint

   Think about how temperature is typically measured.

2. 2.

   What does WBT indicate in psychrometry?

   Hint

   It relates to how moisture influences temperature readings.

3. 3.

   What does DBT measure?

   • Humidity
   • Air temperature
   • Air pressure

   Hint

   Think of how a standard thermometer functions.

4. 4.

   Is Wet Bulb Temperature influenced by moisture content in the air?

   • True
   • False

   Hint

   Consider what happens when water evaporates.

5. 5.

   You are tasked with designing a cooling system for a small library. Given that the outdoor air temperature is 35°C with 60% humidity, what DBT and WBT would the system need to maintain for optimal comfort inside?

   Hint

   Use the psychrometric chart to visualize the relationship between DBT and WBT.

6. 6.

   Consider a scenario where you must analyze the cooling load for a commercial kitchen. Outline the steps you would take using system modeling methods and equations.

   Hint

   Remember to consider both the thermal envelope and internal sources of heat gain.