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A Comparison Study on Measurements of Homogeneous Nucleation Rate of Water in Static Diffusion Chambers
Ždímal, Vladimír ; Uchtmann, H. ; Brus, David
Homogeneous nucleation of water from its supersaturated vapor was studied using two thermal diffusion cloud chambers. The nucleation rate was determined by different method in each of the chambers. A treatment of inner surfaces of chambers was devised to achieve film condensation of water on these surfaces. The experiments covered a range of nucleation rates from 5x10-3 to 5x102 #/cm3/s on several nucleation isotherms starting at 290 K and ending at 320 K. The results show agreement on three highest isotherms and a systematic shift at the lowest one.

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