nonturbulent streamline flow in parallel layers (laminae)

ffu laminar flow unit is an air filtering and purifying unit with its own blower fan, it comprises of primary efficiency filter, blower fan, high efficiency filter and static pressure box.

ffu层流罩是一种自带风机的空气过滤凈化单元，它由初效过滤器、风机、高效过滤器和静压箱组成。

the analysis demonstrates that the conduction, convection and radiation heat transfers occur in the system while the laminar flow and natural flow exist in the closed space.

分析表明系统中存在传导、对流及辐射传热，其中封闭空气夹层又存在层流自然对流。

the numerical calculation results show that the favorable pressure gradients have apparent laminar flow control property, and the unfavorable pressure gradients have a strong unstable influence.

数值计算结果表明，顺压梯度有明显的延缓转捩作用，逆压梯度有较强的不稳定作用。

according to the fractal geometry theory and the non-compressed viscous fluid laminar flow theory, the leakage model of metallic gasket based on fractal parameter was established.

依据分形几何理论，结合不可压缩粘性流体层流流动理论，建立基于分形参数的金属垫片泄漏模型，该模型揭示了泄漏率与密封表面形貌之间的关系。

based on an ideal pore structure model and the theory of laminar flow in a pipe, equation for calculating rock permeability has been derived by using the mercury injection and ejection capillary data.

根据一种理想巖石孔隙结构模型和流体在水平圆管中层流流动的理论，利用巖石进汞和退汞毛管压力资料推导出了计算巖石渗透率的公式；

according to boundary layer theory of laminar flow and molecule diffusion theory, an evaporation mathematic model was developed. evaporation experiments were done in wind tunnel.

根据层流边界层理论和分子扩散理论，建立了层流环境下单组分液体蒸发的数学模型，并进行了风洞蒸发实验。

in clean discharge for 0 layer flow field, reynolds number variation in laminar flow has little effect on mixing. particles distributions are different at different phase of the same cycle.

在凈流量为0的层流流场中，雷诺数的变化对粒子分散不会产生很大影响，在同一周期，不同相位的粒子分布不相同。

a more accurate one-dimensional turbulent ignition model of pulverized coal air flow in a tube was established on the basis of the one-dimensional plane laminar flow ignition model.

在一维平面层流煤粉气流着火的数学模型的基础上，发展了一种更加逼近工程实际的一维平面紊流煤粉气流着火模型。

objective to study the factors of affecting bacterial content in brine immersed with blood during operation in laminar flow operating rooms and its feasible replacing time.

目的研究层流手术室术中影响浸血盐水含菌的因素和适宜更换的时间。

in the ice storage system the chiller is located upstream in series form, and the thermal storage system involves a vertical laminar flow heat storage tank of natural stratification.

武汉国际会展中心空调系统冷热源为蓄冷、蓄热方式 ，蓄冰系统采用主机位于上游的串联形式 ，蓄热设备为自然分层的垂直层流型蓄热槽。

for orifice compensated aerostatic bearings, entrance effect leads differences between actual pressure distributions and traditional laminar flow assumption in gas film of the bearings.

小孔节流空气静压轴承中，由于进口效应现象的存在导致轴承气膜内实际压力分布不再符合传统的层流假设。

this paper presents a numerical technique for computing the steady viscous laminar flow in the channel with arbitrary shape, by use of the method of streamline-iteration.

本文提出一种利用流线迭代法来计算任意形状流道中定常粘性层流流动的数值方法。

so a mathematical model is built by introducing two parameters to link microcosm and macroscale while laminar flow model is still the reaction model of microcosmic reaction.

故本文引入两个参数，建立了一个可行的计算数学模型，将层状扩散模型这个微观过程与宏观反应联系在一起。

microfluidic chip-based liquid-liquid extraction and multiphase laminar flow separation have proved to be effective means to perform on-chip sample pretreatment.

本工作的主要内容是进行基于微流控芯片的无膜液—液萃取技术和无膜多相层流分离技术的研究。

one was the laminar flow in the pipe(also called the poiseuille flow). the analytic form of the relationship between the flow rate and the pressure gradient along the pipeline was obtained.

其一是圆管层流（又称泊肖叶流动），得到其流量和沿管方向压力梯度之间的解析关系式。

the computation results showed that the effect of density differences when velocity of flow was small was obvious to the boundary of laminar flow in the elevation difference pipeline.

结果表明，在大落差管道，流速不大的情况下，密度差对层流边界层影响比较明显。

this paper uses hot film method and sublimation method to measure boundary layer transition position for nlf-1 natural laminar flow wing in nh-2 low speed wind tunnel in naming aeronautical institute.

本文对自然层流机翼nlf-1用热膜法和升华法在南京航空学院nh-2低速风洞中进行了机翼边界层转捩位置的测定。

in this paper, a one-dimensional turbulent ignition model of the pulverized coal air flow in a bube is established on the basis of the one-dimensional plane laminar flow ignition model.

在一维平面层流煤粉气流着火模型的基础上，提出了一种一维平面紊流煤粉气流的着火模型。

this paper introduces mlsl technology which is applied in manufacturing micro-fluidic rotary pump. it researches on how to control the low laminar flow macromolecule compounds mixing with the pump.

介绍了通过多层软刻蚀技术来设计和制造微型液流旋转式泵，研究如何利用其实现生物科学中的高分子化合物等低层流液流的控制。

this is called laminar flow because of the concept of one lamination or thin cylindrical sheet of liquid flowing inside another. other names for this type flow are streamline and viscous flow.

因为液体的薄圆筒层在另一个圆筒内流动，这种流动称为层流或线状流动或粘性流动。

the characteristic parameters of fluid during the transition in boundary layer are obviously different from that of the laminar flow or the turbulent flow.

边界层转捩流动的特征参数明显不同于层流或湍流，转捩流动的这些特征直接影响着流体的动力、传热特性。

meanwhile, the paper directly derives the laminar flow productivity functions of gas horizontal wells which based on the theory of equivalent porous flow and the math method of baojiao transform.

并基于保角变换数学方法和等值渗流阻力原理，直接推导气藏水平井层流产能方程。

since laminar friction drag is much less than the turbulent one, one of the important measures for reducing it is to increase the laminar flow extent, and if possible, to realize a fully laminar flow.

层流摩阻远小于湍流摩阻，因此扩大层流区，甚至实现全层流流动是减租的一个重要途径。

under the body-fitted coordinates, a study of three-dimensional laminar flow and heat exchange characteristics of staggered round tube bank fin is carried out through finite difference method.

在适体坐标系中采用有限差分法对错排圆管管片式换热芯子的三维层流流动及其换热特性进行了研究。