Tuesday, October 18, 2011

Mathematical Construct of Data Acquisition

RK-4 average C* method for determining axially averaged instantaneous regression and internal ballistics.
Iterative Least Squared Regression method for determining ballistic coefficients corresponding to burn rate pressure dependence, flux dependence, and constant of proportionality. The O/F corrected burn rate model is used.
 Based on the above calculations, I have composed a list of necessary parameters for data collection. This list forms the foundation of my experimental methods.
Useful equations  relating C* to specific impulse and other thermochemical gas properties. Interestingly, an optimal oxidizer flow rate can be calculated given an optimal O/F and instantaneous chamber pressure and port radius. This may prove useful in computer throttled commercial hybrids.

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