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首页> 外文期刊>Journal of Heat Transfer >Wall Heat Flux Partitioning During Subcooled Flow Boiling: Part Ⅱ—Model Validation
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Wall Heat Flux Partitioning During Subcooled Flow Boiling: Part Ⅱ—Model Validation

机译：过冷沸腾过程中壁热通量的分配：第二部分—模型验证

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摘要

A mechanistic model for wall heat flux partitioning during subcooled flow boiling proposed in Part I of this two-part paper, is validated in this part. As the first step of the validation process, the developed model was applied to experimental data obtained as part of this study. Comparison of the model predictions with the present data shows good agreement. In order to further validate/exercise the model, it was then applied to several data sets available in the literature. Though the data in the literature were for experimental conditions vastly different from those from which the model was originally developed, reasonable agreement between the model predictions and the experimental data were observed. This indicates that the proposed model can be extended to other flow conditions provided the submodels cover the conditions of the experiments. Future work should be directed towards improvement of the various submodels involved to extend their range of applicability, especially the ones related to bubble dynamics. Additionally, it must be kept in mind that the model as proposed is strictly only applicable to vertical up-flow and may not be applicable to other orientations.
机译：在此两部分的第一部分中，提出了一种过冷流沸腾过程中壁热流分配的机械模型，该模型得到了验证。作为验证过程的第一步，将开发的模型应用于作为本研究一部分而获得的实验数据。模型预测与当前数据的比较显示出很好的一致性。为了进一步验证/执行模型，然后将其应用于文献中可用的几个数据集。尽管文献中的数据是针对与原始模型的开发条件完全不同的实验条件的，但模型预测与实验数据之间存在合理的一致性。这表明，只要子模型涵盖了实验条件，建议的模型就可以扩展到其他流动条件。未来的工作应针对改进所涉及的各种子模型以扩展其适用范围，尤其是与气泡动力学相关的子模型。另外，必须牢记，所提出的模型严格仅适用于垂直向上流动，而不适用于其他方向。

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