Reentry Heating Calculator
Estimate stagnation-point heating rate, temperature, and total heat load during atmospheric reentry using the Sutton-Graves correlation.
Inputs
m/s
km
m
kg
Results
Stagnation Heating Rate
2,682,077.22 W/m²
Stagnation Temperature
2,731.29 K
Total Heat Load1,385.6 MJ/m²
Peak Deceleration1.54 g
How to Use This Calculator
- Enter entry velocity (km/s), altitude (km), and vehicle nose radius (m).
- Set vehicle mass (kg) and drag coefficient (Cd) for your vehicle geometry.
- Review stagnation heating rate (W/cm²), stagnation temperature (K), and total heat load (MJ/m²).
- Use peak deceleration (g) to verify structural and human factors limits are not exceeded.
- Select thermal protection system thickness based on the total heat load output.
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