Thermexcel provides a step-by-step wizard for geometry definition (tube diameter, fin pitch, number of rows), fluid selection, and operating conditions. Psychrometric inputs include dry-bulb temperature, relative humidity, and altitude.
Ensure the ThermExcel add-in is activated. You should see custom functions like Psychro, TDew, W, h, and CoilProcess. If not, install the .xlam file following the developer’s instructions. thermexcel programme psychrosi
CETIAT has validated Thermexcel against experimental data for dehumidifying coils within ±5% for capacity and ±10% for outlet RH, provided: Ensure the ThermExcel add-in is activated
Assume we have outside or return air at: In ThermExcel, use the following functions in cells:
In ThermExcel, use the following functions in cells:
ThermExcel automates these calculations, allowing you to input entering air conditions and coil surface temperature to instantly compute the leaving air state.