PraVaHa software
About PraVaHa
- Parallel RANS Solver for Aerospace Vehicle Aero-thermo-dynamic Analysis (PraVaHa) is a software developed by Indian Space research Organisation (ISRO) to can simulate external and internal airflows on launch vehicles, winged and non winged re-entry vehicles.
- This software was developed in ISRO’s Vikram Sarabhai Space Centre (VSSC).
| Vikram Sarabhai Space Centre (VSSC) at Thiruvananthapuram is the major centre of ISRO, where the design and development activities of satellite launch vehicles and sounding rockets are carried out and made ready for launch operations. |
Need for the software
- Any aerospace vehicle while moving through the Earth’s atmosphere during launch or re-entry is subjected to severe aerodynamic and aerothermal loads in terms of external pressure and heat flux.
- Understanding the airflow around aircraft, rocket bodies, or Crew Module (CM) during earth re-entry is essential to design the shape, structure, and Thermal Protection System (TPS) required for these bodies.
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