Hydrazines nitrogen dioxide reactions with

Other observations of the reaction of hydrazine and nitrogen tetroxide substantiate the production of non-equilibrium combustion products. Non-equilibrium product concentrations were found in combustion gases extracted from a small rocket combustion chamber through a molecular beam sampling device with direct mass spec-trometric analysis (31) (39). Under oxidizer rich conditions excessive amounts of nitric oxide were found under fuel rich conditions excessive amounts of ammonia were found. A correlation between the experimentally observed characteristic velocity and nitric oxide concentration exists (40). Related kinetic effects are postulated to account for the two stage flame observed in the burning of hydrazine droplets in nitrogen dioxide atmospheres (41) (42). 

Sawyer, R.F., Glassman, I., The Gas Phase Reactions of Hydrazine with Nitrogen Dioxide, Nitric Oxide and Oxygen, Eleventh Symp. Int. on Combustion, The Combustion Inst. Pittsburgh, 1967, pages 861-869. 

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