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Investigation of randomness, overlap and the interaction of bubbles forming at adjacent nucleation sites in pool boiling

机译:池沸腾过程中相邻成核位置处形成的随机性,重叠和气泡相互作用的研究

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摘要

A computer simulation of the experimental research carried out by Chopra (l992) using the same boiling conditions and boiling surface data is reported in this paper. The interaction of the bubbles forming at adjacent sites was governed by the site seeding principle as postulated by Judd. A Gamma distribution was used to analyse the time elapsed between the formation of bubbles at different pairs of dominant and passive sites. The relationship of the Gamma shape parameter with dimensionless separation distance as well as the conditions determining the promotion or inhibition of bubble interaction obtained through this simulation study closely resembles those observed experimentally by Chopra. The agreement between the results of this simulation study and the previously published experimental results provides support for Judd's site seeding interaction mechanism.
机译:本文报道了由Chopra(1992)使用相同的沸腾条件和沸腾表面数据进行的实验研究的计算机模拟。贾德(Judd)提出,在相邻位点形成的气泡相互作用受位点播种原理支配。使用伽马分布来分析在不同的主要和被动位置对之间形成气泡之间经过的时间。通过该模拟研究获得的Gamma形状参数与无量纲分离距离的关系以及确定促进或抑制气泡相互作用的条件与Chopra实验观察到的情况极为相似。该模拟研究的结果与先前发表的实验结果之间的一致性为Judd的位点播种相互作用机制提供了支持。

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