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.ppg file
Quote from EMIELNAVIS on 11. March 2025, 13:30Hi,
A .ppg file of a model scale windturbine was provided to me. I am trying to convert this into a .trb type of file, without any success. An airfoil database has been delivered along with it, with lift, drag and moment coefficients. Any inputs on this would be highly appreciated.
kind regards,
Emiel Navis
Hi,
A .ppg file of a model scale windturbine was provided to me. I am trying to convert this into a .trb type of file, without any success. An airfoil database has been delivered along with it, with lift, drag and moment coefficients. Any inputs on this would be highly appreciated.
kind regards,
Emiel Navis

Quote from David on 11. March 2025, 15:56Hi Emiel,
I am not familiar with the .ppg format. That said, there is no built-in functionality to automatically convert turbines from this format.
If you have all the necessary aerodynamic and rotor geometry data, you have two options:
- Manually generate a .bld file – This file defines the aerodynamic properties of the rotor. You can create it by directly modifying the ASCII file.
- Use QBlade’s GUI – You can import airfoil geometries and polar data into QBlade and then generate the rotor object in the Rotor Design module.
Once you have created the rotor definition, you can proceed with generating the turbine definition (
.trb
file) using the same approach, either via ASCII modification or the GUI.Best regards,
David
Hi Emiel,
I am not familiar with the .ppg format. That said, there is no built-in functionality to automatically convert turbines from this format.
If you have all the necessary aerodynamic and rotor geometry data, you have two options:
- Manually generate a .bld file – This file defines the aerodynamic properties of the rotor. You can create it by directly modifying the ASCII file.
- Use QBlade’s GUI – You can import airfoil geometries and polar data into QBlade and then generate the rotor object in the Rotor Design module.
Once you have created the rotor definition, you can proceed with generating the turbine definition (.trb
file) using the same approach, either via ASCII modification or the GUI.
Best regards,
David
