Simplified Numerical Study of Evaporation Processes Inside Vertical Tubes

被引：11
|
作者：
Oclon, Pawel [1 ]
Nowak, Marzena [1 ]
Lopata, Stanislaw [1 ]
机构：
[1] Cracow Univ Technol, Fac Mech Engn, Inst Thermal Power Engn, PL-31864 Krakow, Poland
来源：
JOURNAL OF THERMAL SCIENCE | 2014年 / 23卷 / 02期
关键词：
Numerical modeling; heat transfer; evaporation; vertical tubes; Finite Element Method; FLOW;
D O I：
10.1007/s11630-014-0693-7
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The paper presents a simplified numerical model of evaporation processes inside vertical tubes. In this model only the temperature fields in the fluid domain (the liquid or two-phase mixture) and solid domain (a tube wall) are determined. Therefore its performance and efficiency is high. The analytical formulas, which allow calculating the pressure drop and the distribution of heat transfer coefficient along the tube length, are used in this model. The energy equation for the fluid domain is solved with the Control Volume Method and for the solid domain with the Finite Element Method in order to determine the temperature field for the fluid and solid domains.
引用
收藏
页码：177 / 186
页数：10
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