Multi-speciation and ignition delay time measurements of ammonia oxidation behind reflected shock waves
Ammonia (NH 3) oxidation was studied using emission and laser absorption diagnostics in a
shock tube. Experiments were carried out using stoichiometric mixtures of NH 3 and O 2
highly dilute in Ar seeded with CO 2 at post-reflected-shock conditions from 1700–2500 K
near 2 atm. Five optical diagnostics in the infrared (IR), visible, and ultraviolet (UV) were
implemented to measure NH 3 (before and after shock-heating), NO, electronically excited
amino radicals (NH 2∗), electronically excited hydroxyl radicals (OH∗), and temperature …
shock tube. Experiments were carried out using stoichiometric mixtures of NH 3 and O 2
highly dilute in Ar seeded with CO 2 at post-reflected-shock conditions from 1700–2500 K
near 2 atm. Five optical diagnostics in the infrared (IR), visible, and ultraviolet (UV) were
implemented to measure NH 3 (before and after shock-heating), NO, electronically excited
amino radicals (NH 2∗), electronically excited hydroxyl radicals (OH∗), and temperature …
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