液膜蒸发模拟数据
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饱和池沸腾研究的格子玻尔兹曼汽液相变模型,指出了在早期研究中未考虑固液耦合传热的问题并做出了相应的修正,利用GPU并行运算方法对于三维空间下的饱和池沸腾进行了模拟研究,弥补了大平面沸腾传热研究中缺少三维空间研究的空白,将三维空间获得的饱和池沸腾曲线与理论模型进行对比,结果吻合良好,首次在格子玻尔兹曼模拟沸腾传热领域定量的获得了完整的沸腾曲线,证明了该模型研究沸腾问题的准确性。
This work proposes a lattice Boltzmann vapor-liquid phase change model for the study of saturated pool boiling. It points out the issue that solid-liquid coupled heat transfer was not taken into account in early studies, and makes corresponding corrections. By utilizing GPU parallel computing, this study conducts numerical simulations of saturated pool boiling in three-dimensional space, which fills the research gap of missing three-dimensional investigations in large-plane boiling heat transfer studies. The saturated pool boiling curves obtained from the three-dimensional simulations are compared with theoretical models, and the results exhibit excellent agreement. For the first time, a complete quantitative boiling curve is achieved in the field of lattice Boltzmann simulation of boiling heat transfer, which verifies the accuracy of the proposed model for researching boiling-related problems.




