Computational fluid dynamics investigation of thermal-hydraulic characteristics for a steam generator with and without tube support plates

被引：2
作者：
Yang, Yuanlong [1 ]
Sun, Baozhi [1 ]
Li, Yanjun [1 ]
Yang, Liu [1 ]
Zheng, Lusong [1 ]
机构：
[1] Harbin Engn Univ, Coll Power & Energy Engn, Harbin 150001, Peoples R China
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2013年 / 227卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Steam generator; tube support plate; thermal phase change model; flow-induced vibration; TRANSPORT PROCESSES; SIMULATION; CREVICES; FLOW;
D O I：
10.1177/0954406213479740
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A three-dimensional computational fluid dynamics model with the thermal phase change model is used to investigate the thermal-hydraulic characteristics of a steam generator with and without quatrefoil tube support plates. The two types of modeled designs are a unit pipe with and one without tube support plates. The computational fluid dynamics simulations capture the boiling phenomena, vortex and recirculation distributions, and the periodic characteristics of the circumferential wall temperature in the regions surrounding the tube support plates. The cross-flow energy responsible for flow-induced vibration damage in the region of the U-bend tubes is obtained with the aid of these localized thermal-hydraulic distributions. A comparison between the key parameters of the unit pipe models with and without tube support plates clearly reveals the influence of tube support plates in guiding flow behavior and alleviating flow-induced vibration damage for a steam generator's U-bend tube bundle. Therefore, this computational fluid dynamics model can provide technical support for optimizing tube support plate design and improving the thermal-hydraulic characteristics of steam generator.
引用
收藏
页码：2897 / 2911
页数：15
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