Abstract
In this study, evaporation characteristics of a hydrogen peroxide droplet, 90% purity, was experimentally investigated at elevated temperature (between 400 and 800 °C) and atmospheric pressure under normal gravity. Elevated temperature atmosphere was provided by electric furnace inside the chamber. The range of a droplet size was 1.1 mm to 1.3 mm. The evaporation process of a droplet was recorded by high speed CCD camera. As analysing the image extracted from the camera using the program, evaporation rate of a single droplet was calculated at each ambient temperature. After thermal expansion period, evaporation rate of a hydrogen peroxide droplet followed d2-law but thermal expansion period didn't clearly separate at 400 °C. The evaporation rate increased with increase in ambient temperature. Also thermal decomposition of hydrogen peroxide increased at high temperature.
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