Evaluation of a Numerical Method to Determine the Combustion Temperature of A Rocket Engine Simulator from OH Emission Spectra
作者： Chun Su , Tracy Miller , Fang-Yu Yueh , Robert Cook
DOI: 10.2514/6.2003-3750
关键词:
摘要: The hydroxyl radical OH emission spectra generated by a rocket engine simulator have been recorded at various oxidizer (O2) pressures. Due to the Boltzmann distribution function and effect of linewidth on lineshape, calculated spectral line intensities are expected be dependent upon assumed temperatures linewidth. rotational with an optimal predicted plotted. peak intensity ratios three selected peaks largest computed. A polynomial fit process has employed establish emperical relation between temperatures. evaluated from observed along relations used determine combustion temperature.
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