Chinese translation for "nusselt number"

努塞尔数
努塞尔特数
努塞特数
努赛尔数
努珊数
努谢尔特数

Related Translations:

nusselt equation:  努珊方程

Example Sentences:

	1.	For different f , the effect of curvature and torsion on the flow structure , temperature distribution , the friction factor and nusselt number 不同的f下挠率和曲率对流动结构、摩擦系数和nusslt数的影响不同。
	2.	Secondly , the relation between nusselt number and the local time - averaged velocity and temperature fields of turbulent convection was theoretically induced , which expands the field - coordinated enhancement principle to turbulent convective heat transfer 然后，在理论上导出了紊流对流换热的整体换热性能与局域时均速度场和时均温度场的一般关系式，将对流换热的场协同强化原则扩展至湍流换热。
	3.	By comparing the results with relative experiment data , it is shown that rng k - is more exactly than the other turbulent model . . 2 ) the influences of axial inflow position , radial outflow size , rotating reynold number , non - dimensional mass flowrate and axial inflow angle on the flow and heat transfer characteristics were numerically investigated for a typical rotator - stator cavity with axial inflow , radial inflow and radial outflow . the correlations for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established ( 2 )针对一典型的径向、轴向进气，径向出气的转-静盘腔结构，系统研究轴向进气位置、径向出口大小、旋转雷诺数、无量纲质量流量和轴向垂直预旋进气等对盘腔内流动和换热的影响，整理出转-静盘腔内转盘平均努谢尔数与旋转雷诺数无量纲质量流量之间的准则关联式。
	4.	The blade inner channel cooling is a complex convection - conduction coupling problem . this thesis build a three - dimension . compressible turbulence model , and give a general solve method . with the geometrical model of the glossily rectangle straight channel , the rectangle straight channel with in - line arrays disturb plates , the rectangle straight channel with staggered arrays disturb plates , the rectangle straight channel with slant disturb plates , this thesis compute the flow and heat transfer condition when the cold air path though these channels , and gain the temperature field , pressure field , velocity filed , in addition . this thesis also analyze the influence of the different channel height , the different channel materials , the different channels , and gain the function relation between he nusselt number , friction factor and reynolds number . this thesis is emphasis on the new heat transfer enhancement structure , that is , disturb plates , with the comparison with the glossily channel and channel with pin fins , the heat transfer enhancement effect of the former is better , and the conclusion can be used in the design of aircraft blade 叶片内部通道冷却是一个复杂的对流?导热耦合传热问题，本文在分析叶片内部通道冷却的流动与传热情况的基础上，建立了三维、可压缩紊流的物理模型，得到了通用的求解办法；利用不带扰流片的矩形直通道、带顺排扰流片矩形直通道、带叉排扰流片、带倾斜扰流片的矩形直通道的几何模型，计算了冷却空气通过这几种通道时的流动与换热情况，得到了各种不同情况下计算区域的温度场、压力场、速度场；在此基础上分析了不同的通道高度、不同的叶片通道材质对叶片内部通道冷却的影响，并整理得到了各种通道形式下，努谢尔数和阻力因子与雷诺数的函数关系；本文重点研究了新型的叶片内部通道冷却强化传热措施?带扰流片的内部冷却通道的强化传热效果，通过与光滑矩形直通道、带针肋通道的冷却效果的比较，表明了这种新型鲒构的优势，对于叶片内部通道冷却结构的设计可以起到指导的作用。
	5.	3 ) a custom filed function module was complied to study the influence of non - dimensional mass flowrate changed with time in stair shape on flow and heat transfer inside rotator - stator cavity with axial inflow and radial outflow . average nusselt number takes on a sharp up - down process when the mass flowrate changes from stabile status as to the following change of flowrate , the average nuselt number changes greatly in the initial stage and then changes gradually ( 3 )自编用户程序模块，研究在轴向入流、径向出流的转-静盘腔中，无量纲流量随时间呈阶梯型改变对盘腔流动和换热的影响。当流量从某个稳定状态改变时，转盘上的平均努谢尔数会产生一个明显的上升再降低过程；在每一次流量改变的初始阶段，平均努谢尔数存在一个较大幅度的变化。
	6.	When the rotation has the same direction with the axial velocity , the effect of rotation enforces the intensity of secondary flow and the heat convection , the friction factor and the nusselt number increases as f increase ; when the rotation has the opposite direction with the axial velocity , the flow structure becomes more complicated , for f = 1 . 2 , the complicated structure of secondary flow generates , the friction facior and nusselt number almost has the same value of stationary straight pipe 当旋转方向和主流方向相同时，旋转的作用加强了二次流的强度，使得管道摩擦系数变大，管道换热效果增强；当旋转方向和主流方向相反时，管道内流动结构变化十分明显， f - 1 . 2时，流动结构最为复杂，摩擦系数降至最低，换热效果最弱。
	7.	( 2 ) the results reveal that the pre - swirl ratio has a great influence on the flow field of the rotating disk , even greater than the rotational reynolds number , and an initial constant is induced in moment coefficient cm and average nusselt number nuave correlations , which does not exist in the case of without pre - swirl ( 2 )分析了预旋系数_ r对该旋转盘腔流场的影响，定义了一个新的压力系数c _ p ，该压力系数c _ p沿径向位置的变化对特定的旋转雷诺数re _是一个常数。
	8.	4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes , the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated . the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established . the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases , local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant , heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases , while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant , change of the axial mass flowrate has effect on the whole cavity 结果表明，预旋进气的优点在于增强了叶片冷却孔附近的对流换热效果，局部努谢尔数随预旋角的增大而有所减小；随旋转雷诺数的增加，不论是内转静腔室还是预旋腔室的静盘上的温度都不同程度的降低：当轴向中心进气质量流量不变时，随预旋进气的质量流量增加，内转静腔室的转盘盘面上的换热基本没有变化，而预旋腔室的转盘盘面上的换热效果增强；当预旋进气质量流量不变时，轴向中心进气的质量流量的改变对整个盘腔都有影响。
	9.	Based on the review , the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters . we firstly analyzed the fully developed fluid flow and heat transfer , mixed convection heat transfer , the development of flow and heat transfer in the inlet in different cross section ( circular , elliptical , annular and rectangular crossection ) . the variations of the secondary flow , axial velocity , distribution of temperature , the friction force on the wall , the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed 本文在总结和分析了一个世纪以来有关曲线管道流动和换热特性的研究成果的基础上，以旋转正交曲线坐标系统下的多参数旋转螺旋管道中的对流传热为物理模型，通过摄动方法和有限体积法，首次对各种截面(圆截面、椭圆截面、环形截面、矩形截面)旋转曲线管道内充分发展流动的流动结构和传热特性(包括耦合对流传热特性)以及旋转曲线管道开口段发展流动的流动结构和换热特性进行了系统的数值模拟和理论分析，详细讨论了各种无量纲参数对管道内轴向速度分布、二次流结构、温度分布、壁面摩擦力、摩擦系数比以及管道nusselt数的影响，获得了若干创新性成果。

Similar Words：

"nussei" Chinese translation, "nusseibah" Chinese translation, "nusseibeh" Chinese translation, "nussel" Chinese translation, "nusselt equation" Chinese translation, "nusselttheory" Chinese translation, "nussem" Chinese translation, "nusser" Chinese translation, "nussey" Chinese translation, "nussgen" Chinese translation