Abstract Understanding of transport phenomena in fluid-fluid two-phase systems is essential for many engineering applications. When evaporation or condensation is considered, there exists a two-way coupling of momentum, heat and species transfer, i.e. the fluid flow influences the heat and species transfer and vice versa. The CFD-based simulation of evaporating and/or condensing flows requires models and numerical solution techniques for two-way coupled transport equations and their boundary conditions. Most results on transport phenomena in systems with phase change available in the literature are restricted by either isothermal or one-component systems. Recently we have proposed an approach for modelling and simulation of two-way coupled transport phenomena in non-isothermal two-phase binary systems and performed a first validation using some one-dimensional problems (Rieks and Kenig, 2018). In the present work, a further, more sound validation of the new model and simulation code is accomplished to govern two-dimensional systems.

中文翻译：

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具有相变的耦合传输现象的建模和数值模拟：矩形毛细管中的混合物蒸发

摘要 了解流体-流体两相系统中的输运现象对于许多工程应用至关重要。当考虑蒸发或冷凝时，存在动量、热量和物质传递的双向耦合，即流体流动影响热量和物质传递，反之亦然。基于 CFD 的蒸发和/或冷凝流模拟需要双向耦合输运方程及其边界条件的模型和数值求解技术。文献中关于相变系统中传输现象的大多数结果都受到等温或单组分系统的限制。最近，我们提出了一种对非等温两相二元系统中的双向耦合输运现象进行建模和模拟的方法，并使用一些一维问题进行了首次验证（Rieks 和 Kenig，2018 年）。在目前的工作中，对新模型和仿真代码进行了更进一步、更合理的验证，以管理二维系统。