Date of Publication:2014-01-01
Journal:工程热物理学报
Affiliation of Author(s):化工学院
Volume:35
Issue:4
Page Number:774-777
ISSN No.:0253-231X
Abstract:The transient nucleation size distribution model was introduced into
   vapor condensation system to investigate the evolution of
   cluster/droplet size distribution during the initial vapor condensation
   stage. The results indicated that the transient cluster size
   distributions of heterogeneous process translate from monotonic
   decreasing to a unimodal distribution as time continues, and the size
   distribution curve is close to lognormal distribution. The peak value at
   the size distribution curve shifts to larger cluster sizes as simulation
   time continues,with the absolute value decreasing accordingly. The
   simulated results are similar to the reported experimental results of
   micron scale droplets, revealing that the subsequent experimental
   phenomenon under macroscopic scale was the direct result of further
   development of initial cluster/droplet size distribution.
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