There are many techniques have been developed to launch the missile from the canister. Two generalcategories of canister launched techniques are recognized, Self-Eject Launch (Hot Launch) and Gas EjectLaunch (Cold Launch). Each specific technique has its own particular benefits and problems. One of themost reliable techniques for missile launch is Gas Eject technique in which hot gas generator is used toprovide the force to drive the missile out of the canister. In this procedure, a solid propellant gas generatorgas is ignited in the closed volume (Reservoir/breech) below the missile in the canister and resultantpressurization forces the missile out.In order to study and predict the variation of pressure, temperature and missile motion inside thecanister during launch phase, gas dynamic model has been developed with many assumptions like Idealgas, Constant Specific Heat, Jet impingement Heat loss, Turbulent model etc… In this present study weattempted to implement the presently available advanced techniques to improve the accuracy of launchdynamic predictions.Study has been done by implementing the effects of Real Gas (Variation of Compressibilityfactor (Z)) and Specific heat at constant pressure (Cp) variation with gas temperature during missilelaunch phase.
展开▼
