Consideration of a Phase Change Model Based on Apparent Phase Equilibrium
Consideration of a Phase Change Model Based on Apparent Phase Equilibrium
复制标题
基于表观相平衡的相变模型的思考
DOI：
10.1088/1742-6596/656/1/012129
复制
发表时间：
2015
期刊：
影响因子：
--
通讯作者：
Yuka IGA
中科院分区：
文献类型：
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作者：
Shun KASHIWADA;Yuka IGA
人们已经知道，空腔体积被低估，并有预测和测量的击穿特性的数值模拟的非定常空化在大迎角的水翼周围的差异。因此，在本研究中，为了高精度地预测空腔体积，对即使在高于饱和蒸汽压的压力下气相也会增加的现象（称为充气）进行建模，并应用于相变项。假设溶解空气的沉淀是由机械刺激，如雷诺应力在非定常流促进。通过对压力变化的几种分量的比较，讨论了该模型的有效性。
It has been known that cavity volume is underestimated and there is a discrepancy between predicted and measured breakdown characteristics for the numerical simulation of unsteady cavitation around a hydrofoil at high angle of attack. Therefore, in this study, in order to predict the cavity volume with high accuracy, the phenomena that gas phase increases even at a pressure higher than saturated vapour pressure which is known as aeration is modelled, and applied to phase change term. It was assumed that the precipitation of dissolved air is promoted by mechanical stimulation such as Reynolds stress in unsteady flow. The effectivity of the proposed model is discussed through the comparison among some kinds of components of the pressure variation.
叶栅空化浪涌脉动现象的发生机制及振荡特性
DOI：
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发表时间：
2009
期刊：
Journal of Environment and Engineering
影响因子：
--
作者：
Yuka IGA;Kei HASHIZUME;Yoshiki YOSHIDA;Toshiaki IKOHAGI
通讯作者：
Toshiaki IKOHAGI
基于非定常空化流视相平衡思想的相变模型
DOI：
10.3850/978-981-07-2826-7_160
发表时间：
2012
期刊：
--
影响因子：
--
作者：
Y. Iga
通讯作者：
Y. Iga