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TurboDesigner

the open-source turbomachinery designer

assets/shaft.png

Axial Shaft

assets/stage_casing.png

Axial Stage Casing

About

Turbodesigner is a tool that given parameters such as pressure ratio and mass flow rate can generate designs using mean-line design, blade flow analysis, and at the end generate a CAD model that can be exported to STL and STEP files.

Currently this generates axial compressors and with further tweaks axial turbopumps for liquid rocket engines

Assumptions

To avoid feature creep or due to lack of development the following assumption are made:

  • Turbomachinery is an axial compressor (will suport more in later versions)
  • FlowStation assumes an Ideal Gas
  • Mean line is constant and is based on hub to tip ratio
  • Blade calculations are base on the mean (rm) station
  • Stagger angles are generated with FreeVortex (will support more in the future)
  • Blade airfoil is only a Double Circular Arc at the moment since other geometries haven't been implemented
  • incidence (i) and deviation (delta) values are defaulted 0 (will get Johnson Method working, but at the moment it is disabled)

There are plans later to make the classes that make calculations extendable for certain circumstances

Setup

Open in Gitpod

Open in Gitpod

or

git clone https://github.com/Turbodesigner/turbodesigner.git
cd turbodesigner
pip install --pre cadquery
pip install -r requirements.txt
pip install jupyter-cadquery==3.4.0 cadquery-massembly==1.0.0rc0 # for viewing in Jupyter

Help Wanted

Right now there are some items such as verifying calculations, CFD analysis, and adding additional logic for blade analysis. View Projects tab for specific asks. Please join the Discord for project communications and collaboration. Please consider donating to the Patreon to support future work on this project.