Article | REF: TRP4059 V1

Space Trajectories. Launch on Orbit

Author: Max CERF

Publication date: March 10, 2021, Review date: September 21, 2021

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1. Launcher modeling

The launcher is considered as an undeformable solid of variable mass subjected to internal and external pressure forces. This section presents force models, equations of motion and staging design.

1.1 Force models

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1.1.1 Pressure forces

Rocket propulsion uses the reaction principle. Propellants are mixed and burned in the combustion chamber. Under the effect of pressure, the gases are expelled towards the nozzle. The convergent-divergent nozzle accelerates the gases to transonic velocity...

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Launcher modeling