Abstract
The Beckstead-Derr-Price (BDP) monopropellant model that was originally developed as a limiting case for composite propellants has been modified and applied to double-base propellants. The work was performed with the intent of applying the model to modern double-base systems of interest in rocket propulsion. Therefore, the model has been developed to predict burn rate as a function of pressure, initial temperature, and the double-base binder energy. The model has been compared to a set of experimental data covering a wide range of pressures, initial temperatures, and binder energy with excellent agreement. A comparison with 81 test conditions resulted in 96% of the predictions within ± 10% of the data and a maximum error of 12%. All of the calculated rates, sensitivities, and combustion parameters using the double-base model appear to be consistent with available experimental data. The quantitative predictions of the model varying pressure, initial temperature, and binder energy are considered a significant advance in the state of the art.
Published Version
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