The flow field of planar jet is simulated by discrete vortex method.
采用离散涡方法对平面射流流场进行了数值模拟。
Discrete Vortex Method (DVM) is a very important numerical approach in Computational Fluid Dynamics.
离散涡方法已成为计算流体力学中倍受人们青睐的一种数值方法。
The unsteady flow in an oscillating cascade with propagating stall was simulated numerically with discrete vortex method.
采用离散旋涡法对振荡叶栅传播失速不稳定流场进行了数值模拟。
Based on the discrete vortex method, a conformal mapping technique is used to solve Karman vortex street-airfoil interaction.
本文利用保角变换,用离散涡方法求解了卡门涡街与翼型的相互作用。
On the basis of fluid mechanics, a comprehensive model for simulating flow field at nozzle exit is developed by using desecrate vortex method.
根据流体力学原理,用离散涡方法建立了在复平面上模拟喷嘴出口流场的一套完整模型。
The design method of advanced aft-loading profile combining with controlled vortex method becomes a significant aspect of advanced turbine design.
先进的后部加载叶型与控制环流设计方法的结合成为了先进涡轮设计方法的重要研究方向。
The discrete vortex method was adopted to simulate and analyze the vortex structure and pressure distribution of the flow field at the nozzle exit.
采用离散涡方法模拟了两种不同形状哨嘴的喷嘴出口流场旋涡结构和压力分布。
The mixing layer flow was numerically simulated by the discrete vortex method, in which the diffusion velocity method was adopted to model the viscosity.
对混合层流动进行了数值模拟。采用了离散涡方法。计算中采用扩散速度法处理粘性作用项。
From the simulation results it can seen that the disturbance vortex method still converges fast even the disturbance expansion is taken into consideration.
数值模拟结果表明,在引入了扰动胀量后,用扰动涡方法模拟动静干涉仍保持较好的收敛性和收敛速度,且与试验的符合程度更好。
The unsteady flow past stationary and oscillating cascade for off-design performance respectively are simulated numerically with the Discrete Vortex Method.
采用离散涡方法数值仿真了不同来流攻角下,固定与动边界叶栅绕流。在设计工况时流动接近定常流动。
The Lagrangian vortex method is applied to direct description of the unsteady flow due to rotor-stator interaction in turbomachinery by tracing the trajectory of vortices.
本文以拉格朗日方式研究叶轮机内动、静叶间的相互作用,通过直接跟踪流体涡团的时间历程,来描述流体的非定常流动过程。
The gas and particle phase in the gas solid two phase plane mixing layers flow is numerically simulated using the discrete vortex method and trajectory method respectively.
对气固两相平板混合层流动,采用离散涡方法模拟气相场,轨道法跟踪颗粒的运动。
The vorticity equation was first established and the characteristics of vortex motion in two-dimensional shallow-water flows was analyzed, and then discrete vortex method (DVM) was briefly described.
导出了二维浅水流动的涡动方程与速度环量的随体导数表达式,以此为基础,分析了二维浅水流动中旋涡的动力学性质;
The vortex is one of the important features of flow field. This paper detects the vortex flow based on pattern matching method.
涡流是流场的重要特征之一,本文采用基于模板匹配的方法来识别流场的涡流特征。
In this paper, a method of entropy has been used to investigate vortex tube, throttle valve and expansion turbine.
本文利用熵法对涡流管、透平膨胀机及节流阀三种装置进行了研究。
Based on the principle of vortex effect in electromagnetics, a green curing method that is superior to traditional winter concrete curing is brought forward in this paper.
基于电磁学的涡流效应原理,提出了涡流感应加热法这种优越于传统混凝土冬期养护的绿色养护方法。
A method was proposed to analyse the vortex using pulsed Doppler techniques.
提出了一种利用脉冲多普勒技术分析涡流的方法。
This paper mostly introduces a method for computing dust separation efficiency of the vortex tube in the engine air particle separator of helicopter.
本文介绍了直升机发动机进气防砂装置核心元件—涡旋管的砂尘分离效率计算方法。
The generalized aerodynamic force required in analysis is calculated by using horse shoe vortex— vibrational pressure doublet grid method, based on theory of subsonic unsteady lifting plane.
在颤振特性分析中所需要的广义气动力是根据亚音速非定常升力面理论,采用马蹄涡—振荡压力偶极子格网法计算的。
The quantum tunneling of a vortex in an annular Josephson junction is investigated by using the periodic instanton method.
利用周期瞬子方法从理论上研究了环状偏流约瑟夫森结中的单个涡旋隧穿特性。
Design principle and method of new type vortex sensor are introduced in this paper.
介绍新型涡流传感器的设计原理、方法及应用。
The design method and the prodution technology of the high temperature electric vortex leakage sensor is proposed.
给出了高温型电涡流间隙传感器的设计方法和产品生产工艺。
Moving path lines, tangential and axial average velocities of particles at the vortex surface are obtained by the photography method.
通过摄像法得出了旋涡表面流体质点的运动轨迹、切向和轴向时均速度。
Image method ideal vortex model is used for the analysis of how ground effect impacts wingtip vortex and airflow downwash angle.
采用镜像法理想涡模型分析了地面效应对翼尖涡位置和气流下洗角的影响;
Research results show that vortex frequency estimation method based on HHT can estimate vortex signal frequency accurately, and increase the antiinterference ability of the vortex flow meter.
研究结果表明,基于HHT的涡街频率估计方法,可以精确估计涡街信号频率并提高涡街流量计的抗干扰能力。
The method is only suitable for the nonlinear problem caused by detached vortex of wing before vortex breakdown.
该方法适用于翼面产生脱体涡流型或脱体涡占优(涡破裂前)所引起的非线性问题。
The superconvergence of an improved vortex lattice method for a two-dimensional flat plate has been verified theoretically.
本文就二维平板从理论上证明了改进涡格法的超收敛性。
This technique is known as the vortex generator jet method of separation or stall control because it controls separation in the same general way as the well-known method using solid vortex generators.
这种技术称为间隔涡旋体发生器喷口法或同样发生方法,如采用固体涡旋体发生器方法控制间隔而失控。
The propeller blades are calculated by a vortex lattice method, while the pod including its strut by a boundary element method for non-lifting bodies.
螺旋桨采用升力面理论涡格法、吊舱采用面元法分析计算,二者的相互干扰通过叠代计算来处理。
The propeller blades are calculated by a vortex lattice method, while the pod including its strut by a boundary element method for non-lifting bodies.
螺旋桨采用升力面理论涡格法、吊舱采用面元法分析计算,二者的相互干扰通过叠代计算来处理。
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