[1]王定标,万方方,周俊杰..蒸发式冷凝器异型扁管性能分析及数值模拟[J].郑州大学学报(工学版),2010,31(02):67.[doi:10.3969/j.issn.1671-6833.2010.02.016]
　Wang Dingping,Wanfangfang,Zhou Junjie.Performance analysis and numerical simulation of special-shaped flat tube of evaporative condenser[J].Journal of Zhengzhou University (Engineering Science),2010,31(02):67.[doi:10.3969/j.issn.1671-6833.2010.02.016]
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蒸发式冷凝器异型扁管性能分析及数值模拟()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
31卷
期数:
2010年02期
页码:
67
栏目:
出版日期:
2010-02-02

文章信息/Info

Title:
Performance analysis and numerical simulation of special-shaped flat tube of evaporative condenser
作者:
王定标; 万方方; 周俊杰.
郑州大学,化工与能源学院,河南,郑州,450001, 郑州大学,化工与能源学院,河南,郑州,450001, 郑州大学,化工与能源学院,河南,郑州,450001
Author(s):
Wang Dingping; Wanfangfang; Zhou Junjie
关键词:
蒸发式冷凝器;  流场;  数值模拟;  异型扁管
Keywords:
DOI:
10.3969/j.issn.1671-6833.2010.02.016
文献标志码:
A
摘要:
针对目前蒸发式冷凝器采用的圆管、椭圆管、弹形管管型的不足,设计开发了新型异型扁管的管型结构,为验证其优良性能,运用FLUENT软件对4种管型管束内强制对流空气进行数值模拟,建立了管束流场的数学模型,采用求解压力耦合方程组的半隐式方法(SIMPLE)进行迭代计算求解,在进口流速为1.5～3.9 m/s范围内分别进行了计算,运用Tecplot10后处理软件直观表征空气的速度场、温度场、压力场,给出了压降损失随空气流速变化关系曲线.数值模拟结果表明,新型异型扁管和其他3种管型相比,压降约降低30%、21%及15%,同时出口截面空气平均温度有所增加.
Abstract:
In order to verify its excellent performance, the forced convection air in the four tube bundles was numerically simulated by FLUENT software, and the mathematical model of the tube beam flow field was established, and the semi-implicit method (SIMPLE) for solving the pressure coupling equation system was used to iteratively calculate and solve, and the inlet flow rate was calculated in the range of 4.1~5.3 m/s. Tecplot9 post-processing software was used to visually characterize the velocity field, temperature field and pressure field of air, and the relationship curve of pressure drop loss with air flow rate was given. The numerical simulation results show that compared with the other three tube types, the pressure drop of the new special-shaped flat pipe is reduced by about 10%, 3% and 30%, and the average temperature of the air in the outlet section is increased.

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更新日期/Last Update: 1900-01-01