噴霧気流中に置かれた細線周りの着氷限界熱流束に関する研究 : 噴射液滴の直径分布を考慮した数値シミュレーション(熱工学,内燃機関,動力など)

概要

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Numerical studies are carried out on the critical heat flux of ice accretion along a horizontal fine wire immersed in cold air stream with water spray. The parameters selects for the investigation are the mean diameter of the droplet, the wire diameter, and the ratio of the former and the latter. The temperature and velocity of a droplet that arrives at a wire are calculated, and based on the results the critical heat flux is estimated using the heat transfer equations previously proposed by other researchers. It is assumed that the droplet diameter distribution is the same as that of Rosin-Rammler. Finally, the characteristics of the critical heat flux are examined by comparing experimental data obtained by the present authors. It is found that the present simulation can successfully explain the experimental results, although it is needed to be modified for wider conditions.
一般社団法人日本機械学会の論文
2003-03-25