EROSIVE AND TRANSIENT BURNING EFFECTS ON PERFORMANCE PREDICTION ACCURACY OF TACTICAL ROCKETS.

Performance prediction of solid rockets requires, besides modeling of the internal flow field and the steady-state burning rate obtained from Crawford and standard engine data, the inclusion of erosive burning and transient effects. Performance reexamination of rockets with high volumetric loading is practicable by the most common theory established by J. H. Lenoir and G. Robillard. A new erosive burning model, first developed by M. K. King, makes performance prediction without additional empirical parameters possible. A sensitivity analysis which uses the data of small tactical rockets shows the effects of the various geometric and ballistic parameters and the variation of pressure and thrust history due to transient effects.