XUE Zhiming1, CHEN Ling1, SUN Binbin2, et al. STUDY ON THE INFLUENCE OF STRUCTURE UPON COMPREHENSIVE PERFORMANCE OF TRANSVERSALLY CORRUGATED TUBES[J]. Thermal power generation, 2011, 40(3): 46-50.
XUE Zhiming1, CHEN Ling1, SUN Binbin2, et al. STUDY ON THE INFLUENCE OF STRUCTURE UPON COMPREHENSIVE PERFORMANCE OF TRANSVERSALLY CORRUGATED TUBES[J]. Thermal power generation, 2011, 40(3): 46-50.DOI:
结构对横纹管综合性能影响的研究
摘要
对多种结构的横纹管管内速度场和温度场进行了数值模拟
按场协同原理分析了其中3种横纹管管内湍流换热情况。考虑不同管型的流动阻力差异
对其换热能力进行了综合评价比较
从而得出最佳管型。分析结果表明:在入口流速为0.5~3 m/s的范围内
最佳管型的综合换热能力是常用横纹管的1.3倍左右。
Abstract
The velocity field and temperature field in transversally corrugated tubes of different structure have been numerically simulated
according to the field synergetic principle
the terbulent heat transfer in three kinds of these transversally corrugated tubes has been analysed.Considering the difference of flow resistance is different type of said tubes
the heat transfer ability of said tube types has been comprehensively evaluated and compared
therefrom
the best tube type being obtained.Results of analysis show that the comprehensive heat transfer ability of the best tube type is up to about 1.3 times of that in commonly used transversally corrugated tubes under condition of inlet flow velocity being in a range of 0.5~3 m/s.