At last, the author proposed a new vortex model for the compressor cascades.
最后提出了新的压气机平面叶栅内的旋涡模型。
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;
Besides, the present experiment has verified one previous discrete vortex model of the acoustic nonlinearity of a circular orifice.
此外实验结果还验证了一种微园孔声学非线性效应离散涡模型的合理性。
The optimum distribution of circulation on a marine propeller blade is numerically determined by using the lift_line vortex model and variational calculus.
利用螺旋的升力线模型和变分法原理对螺旋桨叶片环量分布进行了数值优化。
A robust iterative method suitable for the numerical simulation of vortex flows at high angles-of-attack is established based upon the multiple line-vortex model (MLVM).
基于多重线涡模型(MLVM),本文建立了一种计算机时少、收敛性强的适用于大迎角涡流势流数值模拟的迭代算法。
The vortex wake and its induced velocity of a helicopter rotor operating near the ground at low forward speeds have been studied using a simplified free wake-ground vortex model.
本文用一简化自由涡模型模拟旋翼尾涡系,用一简单涡模拟地面涡,对近地低速飞行时旋翼尾涡系的畸变及其引起的诱导速度变化作了研究。
We also consider the effect of vortex decay over time caused by the viscidity of atmosphere in our vortex model in estimating the vortex effect experienced during the close proximity formation flight.
在估算紧密编队飞行中长机翼尖涡对僚机的影响时,本文在所用到涡模型中也考虑了由空气粘性引起的涡流随时间的衰减效应。
Through analyzing, a model of vortex interaction is produced.
通过初步分析,提出了一个统一的涡系干扰模型。
A model of computation for three-dimensional mixing layers described by discrete vortex filaments is built.
构造了三维混合层流场用离散涡丝描述的计算模型并进行了数值模拟。
It's necessary to recognize the different vortices, when aero-optical distortion caused by hypersonic flow is studied using vortex structure as the turbulence model.
利用涡结构对光波通过高速流场的光学传输特性进行建模,就必须进行涡结构的识别。
Combining momentum theory and vortex theory, rotor circulation equation was deduced. The rotor down-wash flow field was calculated using generalized down-wash flow model.
结合动量理论和涡流理论,推导了桨叶环量方程,用广义尾流模型计算了旋翼下洗流场。
A modified trailing vortex wake model of propeller is introduced to describe the distortion and separation of the trailing vortex sheet.
采用了一个修正的螺旋桨尾涡模型,来模拟导管螺旋桨尾涡片的扭曲变形及分离现象。
Third, we apply the periodic TDGL model to simulate vortex dynamics in a type-II superconductor with square or triangular pinning arrays.
第三,我们应用周期的TDGL模型模拟在含有正方形或者三角形钉扎阵列的第二类超导体上的涡旋动力学。
The solitary wave theory of the weakly nonlinear, non-axisymmetric disturbances is used to model the spiral vortex breakdown.
本文使用弱非线性、非轴对称扰功波的孤立波模型模拟螺旋型涡破裂。
The non-equilibrium phase transitions of vortex matter in type II superconductor are studied within three-dimension anisotropic XY model by resistively-shunted junction(RSJ) dynamics.
利用三维各向异性XY模型和电阻分流结动力学,研究了较强钉扎势下第二类层状超导体涡旋系统的非平衡态相变。
Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance.
节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
The model USES the curved vortex elements on the circular arc as the basic discrete elements for trailed filaments and utilizes the free wake extension to form an adaptive far wake downstream.
该模型采用圆弧涡元作为基本涡元,并依据自由尾迹涡线确定远尾迹形状以使远尾迹更接近实际和自由。
The computational results revealed a complex vortex system within the casing model, including a passage vortex, a separation vortex and an endwall vortex.
数值模拟清晰地显示了排气缸通道内的流场结构是以各种旋涡为主要特征,包括通道涡、分离涡和端壁涡等。
Beginning with the prescribed wake model, a Semi Empirical Correction for the vortex core effect on rotor wake is made and free wake calculation is carried out.
首先从预定的广义尾流入手,并引入尖涡涡核作用的半经验修正,对旋翼的自由尾流进行计算分析。
A model of vortex signal in the state of pulsing flow is studied, and a new frequency measuring technique is proposed.
研究脉动流条件下涡街信号的模型,提出频率测量的新方法。
A twisted vortex line model is established based on physical analysis and is found in conformity with the experiment.
根据实验观测和分析,建立了计算扭曲涡迹的数学模型。
The computer simulation shows that the proposed method is valid using vortex structures recognition, and it provides basis for optical propagation model based on turbulence vortex structures.
计算机仿真结果表明,该方法能有效地进行涡结构识别,为基于涡结构的光学传输精确建模奠定了基础。
A pulse output model digital vortex flowmeter is developed successfully.
成功实现了一台脉冲输出型数字涡街流量计。
A reasonable criterion of vortex ring state boundary for helicopter is acquired based on model rotor tests.
通过模型旋翼试验得到了合理的直升机涡环边界判据,并由此计算得到了直升机通用涡环状态边界。
The result shows that the model of neural network can predict the effect of blade negative-twist on helicopter vortex-ring state.
计算结果表明,神经网络模型能够准确预测桨叶负扭度对直升机涡环状态的影响。
A model of an annular flat-topped vortex beam based on multi-Gaussian superimposition is proposed.
基于多高斯函数叠加方法,提出了环形平顶涡旋光束模型。
A modified droplets trajectories analysis model is established for the efficiency estimation of liquid liquid hydrocyclones based on the single vortex field theory.
在单涡流场理论基础上建立了一种改进的油粒轨迹模型,用以预测油水旋流器粒级分离效率。
We have also discussed all of the variations in the R-T curves as well as the RH-H curves by the vortex glass model, exploring the laws of the flux creep in different ways.
对整个R - t和r_h - t曲线的变化,我们借用磁通玻璃模型来进行描述,从不同的角度,揭示了磁通运动的规律。
Due to limited observational data, the vortex fields in a global numeric al model are often too weak.
由于观测资料的缺乏,全球数值模式中台风涡旋一般较弱。
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。
应用推荐