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化工学报  2015 

竖直微肋管内LNG流动沸腾传热特性的分析

DOI: 10.11949/j.issn.0438-1157.20150929, PP. 66-75

Keywords: 流动沸腾,液化天然气,两相流,传热

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Abstract:

实验研究了竖直微肋管内液化天然气(LNG)流动沸腾传热特性,分析热通量、质量流量以及入口压力对LNG两相流动传热特性的影响。针对实验工况分别采用Kim关联式、Koyama关联式以及两种不同Ftp系数的Wellsandt关联式对传热系数进行预测,并将实验结果与预测结果进行比较。结果表明,在整个实验工况范围内,采用Koyama关联式预测准确性最好。

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