ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Research on Particle Statistic Method of Water Droplet Impingement Characteristics
Received date: 2012-09-24
Revised date: 2012-12-13
Online published: 2012-12-24
A statistic method on Lagrangian method is proposed based, which is suitable for use in the research of water droplet impingement characteristics in an unsteady flow. By counting the number of particles which impact on different regions of an anti-ice surface at different times, the time history of particle concentration distribution on the anti-ice surface is obtained, and the results are directly related with the chroma distribution obtained by water droplet impingement experiments. Such experiments are carried out on a scaled model of an engine dome which is used to verify the statistic method proposed in this paper. The calculation results obtained through the statistic method fit with the experimental results commendably, and are consistent with the results calculated by Lagrangian trajectory method. The physical process simulated by the statistic method is in agreement with that of the experiment, and is superior in treating such unsteady effect as the randomicity of turbulent flow and the nonuniform distribution of liquid water content contained in the coming flow.
HAN Yahui , KE Peng , YANG Chunxin , LIU Danyang . Research on Particle Statistic Method of Water Droplet Impingement Characteristics[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013 , 34(7) : 1588 -1595 . DOI: 10.7527/S1000-6893.2013.0277
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