Everything else
Scramjet Combustor with Regenerative Cooling
- Bounding box
- 59.0 × 59.0 × 262.0 mm
- Engine
- Precision B-rep
- Parameters
- 11
- Published
- September 23, 2026
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The prompt
Create a detailed parametric 3D CAD model of a scramjet combustor with regenerative cooling. Dimensions: - Combustor length: 250 mm - Internal diameter: 8.95 mm - Wall thickness: 20 mm - Cooling tube radius: 9 mm Design a hollow cylindrical combustor with a continuous internal hot-gas passage. Embed multiple evenly spaced helical cooling channels inside the combustor wall. The channels must follow the outer circumference and run along the full combustor length. Add coolant inlet and outlet manifolds connected to the cooling channels. Keep all cooling channels enclosed inside the wall and separated from the hot-gas passage. Make the geometry clean, fully parametric, manufacturable, and suitable for CFD, conjugate heat transfer, and FEA. Include inlet, outlet, hot-gas passage, cooling channels, coolant inlet and coolant outlet.
Parameters
| Name | Value | Range |
|---|---|---|
| Combustor Length | 250 mm | 80 – 600 |
| Hot-Gas Passage Diameter | 8.95 mm | 3 – 60 |
| Wall Thickness | 20 mm | 4 – 60 |
| Cooling Channel Radius | 9 mm | 1 – 9.5 |
| Cooling Channel Count | 4 ea | 1 – 8 |
| Helical Pitch | 40 mm | 20 – 260 |
| Outer Skin Over Manifold | 3.5 mm | 1 – 8 |
| Inner Rib (Manifold to Hot Gas) | 1 mm | 0.5 – 6 |
| Manifold Axial Length | 12 mm | 4 – 40 |
| End Cap Thickness | 3 mm | 2 – 20 |
| Coolant Port Radius | 5 mm | 1 – 6 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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