Chamber Geometry

Only available in RPA Standard Edition

The screen Chamber Geometry consists of 2 tabs Design Parameters and Size and Geometry.

The input of parameters on the screen is only enabled if the flag "Determine thrust chamber size" on screen Engine Definition is switched on, and at least one of sizing parameters is provided:

Design Parameters

On the tab Design Parameters you can define design parameters used to calculate the size of the combustion chamber and the shaped of the nozzle.

Design parameters

Note: such design parameters as nozzle inlet and exit conditions, as well as a nozzle shape (bell or conical) can be only changed on screen Nozzle Flow Model. Use provided buttons to jump direct to that screen and back.

Size and Geometry

The tab Size and Geometry displays the calculated size of the chamber and nozzle.

Size and geometry

You can save the results as an ASCII file, clicking the button Save As..., or export the contour to the DXF file clicking the button Export to DXF at the right-bottom corner of the screen.

If exporting to DXF file, you provide additional export parameters:

The resulting DXF file can be opened in any CAD program.

DXF file opened in QCad

Last modified: February 22, 2011