function relation meaning in Chinese
函数关系
Examples
- 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。 - The paper analyzed the struture of the tri - eccentric butterfly vavle at length , defined the tri - eccentric butterfly valve , educed the geometry function and its characteristic about the section of the butterfly disc . the results indicate : the parallel contour line across butterfly disc thickness is normal ellipse , thereby eslablished function relations between its geometry parameters ( long axis and short axis ) of three primary sections of the butterfly disc and the tri - eccentricity ; in order to avoid interference between the butterfly disc and the valve seat as well as the valve body , combining the torque , we obtained the feasible range about the rotation center of the tri - eccentric butterfly vavle
本文主要分析了三偏心蝶阀的结构,给出了三偏心的定义,推导出了蝶板截面的几何方程及其性质,结果表明,沿蝶板厚度的平行截面轮廓线为标准的椭圆形,进而推导出了蝶板几个主要截面的几何参数(长轴、短轴)与三个偏心之间的函数关系;考虑到蝶板启闭过程中避免与阀体及阀座发生干涉,结合蝶板的启闭扭矩,确立了三偏心蝶阀回转中心的适宜区域。 - On the basis of theory analysis , the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ) . the dc value was closely related to both particle concentration and surface area of sand clay simultaneously . the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients . then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0 . 981 . so the model of automatical control system of water treatment plant was established using the formula
应用透光率脉动检测技术和光散射颗粒粒度分析仪( pda ) ,通过理论分析,将pda的输出信号之一? ?平均透光强度(对应于dc值)作为原水的特性表征参数, dc值可以同时反映颗粒浓度和比表面积因素的影响,试验结果证明, dc值与单位体积水中泥沙颗粒总表面积s _ p之间具有很好的幂函数关系: dc = cs _ p ~ d ,式中c 、 d为经验系数,进而得到了以dc值为参数的高分子絮凝剂投药量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f为经验系数,平均相关系数达0 . 981 ,利用所建立的公式,建立了前馈? ?后馈联合控制的在线自动投药模型。 - A experienced equation which is summarized by many experiments is used to determine the number of mesosphere nerve cell and a sort of new square - sum function of errors is adopted . its characteristic is that weight errors of possible exceptional point is less . accordingly , the effect of errors of possible exceptional point is reduced , which make actual function relation simulation easier
本系统针对bp算法的局限性,给出了一种优化的bp算法,采用经过大量实验总结出的经验公式来确定隐层神经元的个数,并选取了一种新的误差平方和函数,该函数的特点是对一些可能的异常点的误差权值设计的较小,从而降低了异常值误差带来的影响,便于模拟出真实的函数关系。 - According to deduction and calculation the critical inclination of failure face has a linear relation with the slope angle , a quadratic function relation with the friction angle of failure face , a logarithmic relation with the height of failure part , a negative exponent relation with the cohesion of failure face , and a quadratic function relation with the unit weight of failure body
通过推导和计算得知,滑面的临界倾角与边坡倾角呈线性关系,与破坏面摩擦角呈二次函数关系,与滑体高度呈对数关系,与破坏面的黏聚力呈负指数关系,与岩体重度呈二次函数关系。