Abstract
AbstractThe effect of shock‐free supersonic expansion on the dissociation of with elevated vibrational temperatures is investigated. It is found that expansion‐cooling not only favors dissociation but also obstructs recombination. The dissociation generated by VV ladder climbing is investigated using the two different model‐types: 1D Full Numerical (Fu‐N) and Semi‐Analytical (S‐An). The Fu‐N gives a more complete self‐consistent description but needs about times longer convergence time. Comparison between the models' results shows a good agreement. This justifies the application of the S‐An approach for a fast parameter space exploration of experimental settings. It is found that the dissociation degree mainly depends on the VDF‐temperature of at the inlet of the supersonic expansion.
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