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首页> 外文期刊>International journal of air-conditioning and refrigeration >Computational and Experimental Investigation of the Vertical Flash Tank Separator Part 1: Effect of Parameters on Separation Efficiency
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Computational and Experimental Investigation of the Vertical Flash Tank Separator Part 1: Effect of Parameters on Separation Efficiency

机译：立式闪蒸罐分离器的计算和实验研究，第1部分：参数对分离效率的影响

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摘要

The flash tank separator is one of the most important components that can be used to improve the performance of a refrigeration cycle by separating the liquid from the gas-liquid two-phase flow and providing the evaporator with only liquid refrigerant. This technique increases the effective area and enhances the heat transfer coefficient in the evaporator. To optimize the size of the vertical flash tank separator for obtaining high separation efficiency, the effect of the size of the vertical flash tank separator needs to be considered. This paper investigates the effect of the size on the liquid separation efficiency of the vertical flash tank separator. This paper also assesses the usefulness of Computational Fluid Dynamic (CFD) in flash tank design, and this is achieved through experiments and simulations on a range of relevant configurations using water as the working fluid. The results revealed that the size has a significant effect on the liquid separation efficiency, as the highest value was achieved by the largest size (VFT-V5). The CFD simulations give a good agreement with the experiments; all the simulations underestimated the liquid separation efficiency by approximately 0.02 over the range of conditions tested.
机译：闪蒸罐分离器是最重要的组件之一，可通过从气液两相流中分离液体并仅向蒸发器提供液态制冷剂来提高制冷循环的性能。该技术增加了有效面积并提高了蒸发器中的传热系数。为了优化垂直闪蒸罐分离器的尺寸以获得高分离效率，需要考虑垂直闪蒸罐分离器的尺寸的影响。本文研究了尺寸对立式闪蒸罐分离器液体分离效率的影响。本文还评估了计算流体动力学（CFD）在闪蒸罐设计中的有用性，这是通过对一系列使用水作为工作流体的相关配置进行的实验和模拟来实现的。结果表明，尺寸对液体分离效率有重要影响，因为最大尺寸（VFT-V5）达到了最大值。 CFD仿真与实验结果吻合良好。在所测试的条件范围内，所有模拟都低估了液体分离效率约0.02。

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