Heterogeneous flashing in water drops

The peculiarities of hot liquid droplets heating and evaporation

“…Rapid technological development offers unexpected solutions, which actually approach thermal technologies to nano technologies. Experiments prove that water droplets pass to an explosive evaporation mode, when their mean mass temperature exceeds saturation temperature, corresponding to the medium parameters, by 18 degrees [4]. An explosive evaporation is evoked by an intensive energetic influence of a laser beam or by a sudden change of pressure in the vicinity of the droplet.…”

“…The characteristic curves of water droplet evaporation dynamics (1, 2) and variation of droplet surface temperature(3,4), as droplets are heated by conduction. T R,0 , K: (1, 3) 275,(2,4) 370. p v,1 /p=0.2; T g = 473K; TR TR À TR;0 ð Þ = TR;e À TR;0 ð Þ ½ ; R ¼ R=R0;The influence of the Knudsen layer The Knudsen layer's influence on the state of ''cold" water droplets.…”

“…T R,0 , K: (1, 3) 275,(2,4) 370. p v,1 /p=0.2; T g = 473K; TR TR À TR;0 ð Þ = TR;e À TR;0 ð Þ ½ ; R ¼ R=R0;The influence of the Knudsen layer The Knudsen layer's influence on the state of ''cold" water droplets. (1, 7) are the characteristic curves, which correspondingly represent variation of droplet surface temperature and diameter.…”

“…The Knudsen layer's influence on the thermal state of water droplets, evaporating in low-temperature gas (1)(2)(3)(4)(5)(6). are the characteristic curves of surface temperature variation; p v,1 /p: (1, 2, 7-10).05,(3,4,(11)(12)(13)(14)…”

Experimental and Theoretical Investigation on Rapid Evaporation of Ethanol Droplets and Kerosene Droplets During Depressurization

“…Owen and Jalil (1991) recorded the transient pressure and the droplet temperature during flash evaporation through the droplet hanging method. Their experimental condition was for high pressure and high temperature conditions, with an initial pressure of 9 bar.…”