On the evaporation and decomoposition of droplets of liquid ozone-oxygen mixtures in a hot oxygen atmosphere

On the evaporation and decomoposition of droplets of liquid ozone-oxygen mixtures in a hot oxygen atmosphere

Sandri, R.

National Research Council Canada, Division of Mechanical Engineering, Fuels and Lubricants Laboratory

1960-12-31

Evaporation rates and lifetimes of droplets of a 50- 50 mole percent ozone - oxygen mixture in a hot oxygen atmosphere at 20 atmospheres pressure were calculated by means of electronic computers under the assumption that the temperature and concentration fields were in a quasi - steady state and that the interior of the liquid was at a uniform, constant temperature except in a thin layer adjacent to the surface. The numerical results thus obtained can be represented by simple formulae . The lifetime curve approaches a straight line except for very small droplet radii. The lifetimes of these droplets are much shorter than those of droplets of other oxidizers and fuels under comparable conditions. This should hold, although to a lesser degree, also for mixtures less rich in ozone , even below the ordinary flammability limit.

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National Research Council Canada

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National Research Council Mechanical Engineering Report, MP 19

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(c)1960 National Research Council Canada