ME 425 - Psychrometrics & Coil Load Calculation 1
ME 425
Psychrometrics & Coil Load
Keith E. Elder, P.E.
Coils
Coils are the main devices for transferring
energy to/from the airstream in an air-
handling system.
Heat Transfer Media
Hydronic Fluid (Water)
Steam
Direct Expansion
Important Coil Load Concepts
Apparatus Dew Point
Bypass Factor
1
, ME 425 - Psychrometrics & Coil Load Calculation 2
The Psychrometric Chart
Dry Bulb Temperature
2
ME 425
Psychrometrics & Coil Load
Keith E. Elder, P.E.
Coils
Coils are the main devices for transferring
energy to/from the airstream in an air-
handling system.
Heat Transfer Media
Hydronic Fluid (Water)
Steam
Direct Expansion
Important Coil Load Concepts
Apparatus Dew Point
Bypass Factor
1
, ME 425 - Psychrometrics & Coil Load Calculation 2
The Psychrometric Chart
Dry Bulb Temperature
2