查询词典 prolate spheroid

A prolate spheroid is generated by revolving an ellipse about its major axis.

扁长球体是将一个椭圆体依其主轴旋转而成的。

The flow fields around a prolate spheroid were investigated by numerical simulation and experiments when the flow is both in laminar state and in turbulent state.

本文利用数值模拟和实验方法研究了层流和湍流状态下绕椭球的流场，主要目的是探索复杂流动情况下的湍流计算方法。

In experimental research, structures of the skin friction lines appearing on a prolate spheroid in laminar and turbulent flows were investigated and compared by using an improved oil-flow visualisation technique.

在实验研究中，用改进的油流显示法研究和对比了层流和湍流状态下绕椭球流动的表面摩擦力线结构。

Thus the distribution of surface field and near field can be obtained..Numerical results for sphere and prolate spheroid are in excellent agreement with thos...

本文给出的球体及长椭球体的数值计算结果表明，这种方法可获得与本征函数级数解相当吻合的结果，优于OSRC方法的结果，说明这种方法可能成为一种对现有解析或数值方法的有效替代方法。

The general equation of heat transfer in the stationary state is solved for four special forms of bodies, namely, plane, circular cylinder, sphere, and prolate spheroid.

接着详细研究了在稳定的情形下普遍传热方程在四种特殊形状的物体中的解，这四种特殊形状是，平面、圆柱体、球体、和长椭球。

Turbulent flow about a 4:1 prolate spheroid was measured on cross sections using the PIV technique for validating turbulence models.

为了检验湍流模型，用PIV方法测量了绕4：1椭球湍流流场的几个剖面。

Structures of the skin friction lines appearing on a prolate spheroid in l aminar and turbulent flows were investigated and compared by using an improved o il-flow visualization technique.

用改进的油流显示法研究和对比了层流和湍流状态下绕椭球流动的表面摩擦力线结构。实验中观察到，椭球表面摩擦力线在层流和湍流状态下具有不同的拓扑结构。

The effects of small grains set on the surface of prolate spheroid on SFL were also observed and analysed. In laminar flow, Re=1. 4×10〓, the shape of separation line is affected prominently by the nearby grains.

层流状态下，雷诺数为1.4×10〓时，分离线附近的颗粒状突起会显著影响分离线的形状，当雷诺数减为0.9×10〓时，颗粒对分离线只有微弱的影响。

Based on the reciprocity theorem, the analytic solutions of electric field induced by time-varying magnetic field were obtained when the boundary of volume conductor is infinity, semi-infinity and prolate spheroid respectively.

根据互易定律，给出了容积导体为无限大、半无限大及边界为长球面三种情况下，时变磁场产生的感应电场空间分布的解析表达式，它是进行磁刺激理论及试验研究的基础。

The scattering model is composed of swimbladder model and fish body model. The swimbladder is modeled by gas-filled prolate spheroid, and the fish body, exclusive of swimbladder, by liquid-filled prolate spheroid.

散射模型由鱼鳔模型和鱼体模型两个部分构成，其中鱼鳔采用充满气体的椭球体模型，鳔除外的鱼体采用充满液体的椭球体模型。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。