基本解释：努塞特数
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Effect of local thermal non-equilibrium on Nusselt number in convection at a plate channel;平板通道中热局部非平衡对努塞尔数的影响
The effect of the angel between vessels and bifurcation ratio were taken into account,and the local Nusselt number at three typical radial angels and the mean Nusselt number on a section in the branching vessel were obtained.用有限元方法数值模拟了血管分支结构内血液流动的三维速度场和温度场,得到了分支血管壁面3个典型径向角度的局部努塞尔数和血管截面平均努塞尔数沿管长的变化曲线。
Also the variation of Nusselt number along the surface of the annular slot was analyzed.对槽内各表面与热气流之间的换热量进行了比较,并对努塞尔数Nu沿环形槽各表面的变化进行了分析。
The experimental Nusselt number is compared with that of the classical correlations.采用焦耳加热法对不同尺寸的水平微细铜丝在水中加热,并将实验得到的努谢尔特数Nu与常规尺寸下经典准则关系式的计算值比较。
As the Reynolds number varied in the range from 100 up to 7 000 in the experiments and the friction factor and the Nusselt number were obtained correspondingly.[关键词]微管,摩擦系数,努谢尔特
As the Reynolds number varied in the range from 100 up to 6000 and the Nusselt numbers were measured,cor.实验得到了雷诺数Re在100~6 000变化时的努谢尔特数Nu,并与经典的层流、过渡流及紊流换热准则方程式进行了对比。
The characteristics of temperature distribution,mean Nuselt number and local Nuselt number are obtained.利用红外热象仪对一叉流板翅式换热器内气流的温度分布进行了测试，获得了换热器模型内温度分布的特征，以及平均努谢尔特数和局部努谢尔特数变化规律的结果，并对换热器内的传热过程进行了分析。
