Design and Analysis of Motor Casing for an Aerospace Vehicle

The aerospace vehicle like rocket motor casing is used for storage of fuel and it acts as a chamber for fuel consumption process. Nozzle is the main component of the rocket motor which converts the chemical energy into kinetic energy. For initial pressure build-up inside the chamber, the nozzle is closed with a nozzle blank. Head end and nozzle end grids are used in supporting the solid propellant grains in the casing. The motor is designed and structural analysis has been carried out using FE package and details are presented in this paper. The present investigation is aimed to study the following: Design of the rocket motor hardware for standing the MEOP of 110 Ski, Structural analysis for getting the minimum available FOS, Calculation of stress at weld zones and‘O’-ring dilation