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      laminar
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  层流
    AN ANALYSIS OF LAMINAR BOUNDARY LAYER IN HIGH ENTHALPY NOZZLE FLOWS
    高焓喷管层流边界层分析
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    Study on Correction Coefficients of Laminar and Turbulent Entrance Region Effect in Round Pipe
    圆管层流与湍流进口段效应修正系数的研究
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    NUMERICAL SOLUTION OF THE NAVIER-STOKES EQUATIONS FOR THREE-DIMENSIONAL LAMINAR SEPARATED FLOWS
    三维层流分离流动Navier-Stokes方程的数值解法
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    THEORETICAL ANALYSIS OF LAMINAR REGIME HELICAL FLOW FIELD OF POWER-LAW FLUID IN ANNULUS
    环形空间内幂律流体螺旋流层流流场性质的分析
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    The Calculation of Incompressible Laminar Flow Over a Swept Rearward—Facing Step Using The Finite Element Method
    用有限元法计算绕后掠的后台阶的不可压层流流动
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  层流的
    Numerical Simulation of Laminar Flows in a 180°Curved Duct of Square Cross-section
    180°方截面弯管中层流的数值模拟
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    The law of pulsating laminar flow under the pushing of periodic pressure gradient is obtained by the combination of Maxwell fluids'constitutive equation and momentum equation of laminar flowing in the round pipe. The law of velocity distribution under different frequency and relaxation time is presented.
    将粘弹性Maxwell流体本构方程和圆管层流运动基本方程相结合 ,利用数学解析方法研究了周期性压力梯度推动下脉动层流的流动规律 ,并得到粘弹性流体在圆管内周期性流动的速度表达式 ,按两种情形分析了粘弹性Maxwell流体脉动层流速度振幅分布状况。
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    Numerical analysis of laminar viscous non-Newtonian liquid axial flows in eccentric annuli
    偏心环空中非牛顿流体轴向层流的数值分析(英文)
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    The results for laminar flow showed a good agreement with theoretical analysis.
    试验表明,对层流的测量结果与理论分析基本一致。
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    The new idea about polymer laminar flow and the mechanism of drag reduction based on the idea proposed by Harvard group are summarized systematically.
    对哈佛小组所提出的聚合物层流的新观点以及在此基础上建立的机理模型进行了综述。
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  “laminar”译为未确定词的双语例句
    The New Solutions for Two Kinds of Axially Symmetrical Laminar Boundary Layer Equations
    两种轴对称边界层方程的新解法
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    BOUNDARY ELEMENT METHOD TO SOLVE CONJUGATE HEAT TRANSFER PROBLEMS OF THE LAMINAR FLOW IN FIN TUBES
    外肋圆管内层流换热耦合问题的边界元方法
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    Modified Levy-Mangle and Dorodnitsyn-Howarth transformations are introduced tosolve the flow in the thin laminar boundary layer with no external pressure gradient on the smoothflat plate.
    对于没有外部压力梯度的光滑平板,引进修正的Levy-Mangle变换和Dorodnitsyn-Howarth变换来求解薄层流边界层内的流动。
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    Viscous Unstructured Grid Generation and Laminar Flow Calculation
    粘性非结构网格生成方法及绕流计算
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    PLANT IDENTIFICATION IN ACTIVE CONTROL OF LAMINAR BOUNDARY-LAYER TRANSITION BY SUCTION USING RBF NEURAL NETWORK
    RBF网络用于边界层转捩中抽吸流优化控制
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  laminar
       Numerical simulation of laminar premixed combustion in a porous burner
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       In this paper, the premixed combustion of CH4/air mixture in a porous medium is numerically simulated with a laminar combustion model.
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       3-D numerical simulations were presented for laminar flow and heat transfer characteristics in a rectangular channel with vortex generators.
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       Boundary control of a laminar flow of a viscous incompressible fluid in the generalized Couette cell.
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       In this paper, a limiting problem for an optimal boundary control problem of a laminar flow of a viscous incompressible fluid in the generalized Couette cell, when the number of inner cylinders unrestrictedly increases, is obtained.
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         In dealing with the problem of sand particles moving relative to the surrounding water, Stokes' formula of resistance has usually been used to render the velocity of sedimentation of the particles. But such an approach has not been proved rigorously, and its accuracy must be carefully examined. In the previous paper, we gave the resistance acting on a sphere moving in a non-uniform flow field. In this paper, we assume the concentration of sand particles to be very small, and using the previously obtained fo...
            在前文中我们已经给出小球在不均匀流场中运动时所受到的阻力。本文中我们假定泥沙和水为两种不同的介质,同时假定泥沙的浓度很小。利用前文所得到的阻力公式,我们建立了在层流状态时泥沙和水各自的运动方程组。然后利用这一组方程来讨论明渠中水流流态为层流时泥沙沉淀的情况。最后我们得到泥沙和水的相对速度在主流方向的分量并不等于零。同时我们求得根据简单假定来计算时所引起的沉积位置的误差。这个误差和水深成正比而和泥沙颗粒的大小无关。一般说来,这个误差并不是一个可以忽略的数值。
文摘来源
         In a previous paper[1], a theoretical analysis has been presented to the heat-transfer coefficient for laminar boundary layer flow in the entrance region of a circular tube. This is a succeeding one based on Karman's method of approach, to attack the entrance effect on flow-friction behavior of an isothermal boundary layer flow of incompressible fluid. The family of climensionless velocity profiles is well defined by eq. (3) and (4). The predicted friction coefficients from eq. (17) or (19), eq. (23),...
            本文是文[1]的继续。文中,在直圆管具有平滑进口及流体是不可压縮的假定下,对圆管进口段层流边界层发展区的流动阻力与壁面摩擦阻力作了环状边界层的理论分析,提供了常物性情况下的简捷近似計算解;并对新的实验资料及其經驗綜合式作了分析和討論,証明这些数据与以前文献中所报导的結果实质上相互符合,而文献[4]所推荐的綜合式还没有最真实地反映出原始数据的规律性。
文摘来源
         This paper presents a simple formula for calculating the displacement thickness, momentum thickness and physical thickness of laminar boundary layer in high enthalpy flows in conic nozzles at hypersonic Mach numbers. The inviscid flow upstream of the throat is assumed to be in chemical and vibrational equilibrium and downstream of the throat the flow is frozen. The present expressions for δ*, θ and δ are given as explicit functions of the geometric dimensions of the nozzle and the parameters of the in...
            本文导得了适用于高焓、高M数锥形喷管层流边界层排挤厚度δ~*、动量厚度θ和边界层厚度δ的简便计算公式.喷管喉部上游假设为平衡流,喉部下游视为化学与振动冻结流.δ~*和δ均表示为喷管几何参数、喷管喉部参数及喷管所求点无粘流参数的显函数形式而不是积分形式,因此特别适宜于此类喷管的工程设计.本公式计算结果与国外发表的风洞实验测试数据进行了比较(详见本文图2及表3),结果是令人满意的.
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