Propulsion

Propulsion design & analysis for GT Propulsive Landers — engine sizing codes, feed-system analysis, thermal analysis, and supporting design literature.

Layout

Path	What it is
scripts/	Standalone design calculators (engine design, HRE design, injector Cd, tank fill, blowdown, relief sizing, showerhead/SMD)
1000N/	1000 N engine design files
Nozzle Thermal Analysis/	Nozzle thermal analysis
Regen & Film Cooling/	Regenerative & film cooling analysis
Pressure Ladder/	Feed-system pressure ladder
OF Properties/	Oxidizer/fuel property data
VISIO P&ID Versions/	P&ID diagram versions
Design Literature/	Reference papers & design literature

Scripts

The scripts/ directory contains:

• Engine Design Code Fixed Configuration.py
• HRE Design Code Fixed OF.py
• HRE Design Code Optimal Isp.py
• Injector Cd Calculator.py
• Showerhead Orifice & SMD Calculator.py
• Tank Fill Mass Calculator.py
• GN2 Blowdown Source Check.py
• API 520 D2.2 Subcooled Liquid Relief Sizing.py

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