Ship propeller noise can be predicted by non-dimensional analysis of ship model propeller noise.
通过无量纲分析船模螺旋桨噪声可以预报实船的螺旋桨噪声。
On the basis of the experimental data, derived was the "non-dimensional volume-flow rate formula of a falling-back liquid curtain".
根据实验数据,推导出了“回落液幕无量纲体积流率公式”。
The change of port layout Angle has little effect on the flow coefficient while playing an important role in the non-dimensional swirl.
气道布置角度的变化对流量系数影响不大,但对无因次涡流有很大影响。
It is demonstrated that the errors of the unified valve model are dependent on the damping coefficient alone using a non-dimensional approach.
采用非量纲分析法,验证了统一模型的误差仅依赖于阻尼系数。
The first order and second order incidence degree formulae can satisfy the requirement of specification, and possess isotonicity after non-dimensional disposal.
其中一阶和二阶差分关联度能满足规范性要求,具有无量纲化后的保序性。
The heat transfer performance of plate fin and staggered heat sink is comprehensively analyzed by the use of quality factor "F" which is a non-dimensional variable.
本文引用无量纲品质因数F,分别对平板和叉排散热器的换热性能进行了综合分析。
The non-dimensional pump head coefficient tends to become larger than the quasi-steady value at the very beginning of the start, which indicates obvious transient effect.
在启动初始阶段,无量纲扬程呈现很大值,继而迅速减小到低于准稳态假设值,表现出明显的瞬态效应。
The vibration characters of the labyrinth gas seal device are analyzed with non-dimensional parameters in ANSYS and the non-dimensional frequencies and modes are obtained.
对各参数进行无量纲处理,借助ANSYS软件分析篦齿封严组件振动的特性,获得结构无量纲频率和振型;
At first, control law of the autopilot equipment was given, then the non-dimensional dynamic equations of the single rotor helicopter with autopilot equipment were derived.
文中首先给出自动驾驶仪的调节规律,继而列出装备有自动驾驶仪的单旋翼带尾桨式直升机的无量纲运动方程。
The paper brings forward and analyzes the non-dimensional formulas of setover eccentric CAM from the aspects of the travel, displacement, speed and velocity of the moving parts.
提出了偏置式偏心圆凸轮机构从动件的行程、位移、速度、加速度的无量纲表达式,并对其进行分析。
High speed digite vedio and image processing were used to analyze the effects of the non-dimensional velocity and the flag aspect on its kinematics, flapping frequency and amplitude.
利用高速摄影和图像处理技术分析了来流速度和展长比对旗帜运动学特征(频率和振幅)的影响规律;
A non-dimensional expression, which shows the general variation of the backflow distance of smoke and hot gases during a roadway or tunnel fire, was derived through dimensional analysis.
应用因次分析法推导出表征巷(隧)道火灾烟流滚退距离变化规律的通用无因次表达式,该表达式包含影响滚退距离的火源热释放速率、通风风速、巷道倾角和形状等因素。
Artificial immune system analyses dimensionless indicators of time domain for concurrent failures, has drew a widespread law based on non-dimensional index for concurrent fault diagnosis.
人工免疫系统通过对多重并发故障时域无量纲指标进行分析研究,得到了一条基于无量纲指标并发故障诊断普遍适用的规律。
This method utilizes some of non-dimensional parameters and combined parameters, in order to interrelate the bearing load with parameters of working process and structure of a diesel engine.
本方法是利用了一些无因次参数及综合参数,使轴承负荷同柴油机工作过程及结构的某些参数联系起来。
It was a less peacocky, non-three-dimensional design that stood out.
这是一种不那么浮夸、不那么立体的设计。
This advanced non-destructive technology generates high-resolution, three-dimensional images of buried objects and natural interface layers.
这种先进的非破坏性技术能产生埋藏物体和自然埋藏环境的高清晰三维立体图像。
One dimensional shear strain rate gradient formation of the second order is proposed based on the non-local continuum model.
根据非局部连续介质模型,提出了一维二阶剪切应变率梯度格式。
It is intended to summarize non dimensional criteria correlation applicable to boiling heat transfer on porous layer surface on the basis of a series of experiments.
在整理并分析数据的基础上提出了多孔层管内流动结构及无因次准则式。
This Paper present a two-dimensional non-linear dynamic cutting model.
建立了金属切削过程的二维颤振数学模型;
In order to measure the shape of three-dimensional objects, a non-contact system based on binary-code light projection method was developed.
建立了一个基于二进制编码结构光的三维形貌测量系统,推导了测量系统的物象关系式,并对测量系统进行了标定。
Measurement with CCD is a very effective non-contacted method for the dimensional measure, which is now widely applied to the precision measure of the part dimension.
利用CCD进行尺寸测量是一种非常有效的非接触检测方法,这种方法被广泛的应用于零件尺寸的精密测量中。
The mode properties of symmetric and non-symmetric one-dimensional photonic crystals with a sandwich layer defect were investigated by using the optical transmission matrix method.
利用光学传输矩阵方法研究对称和非对称一维缺陷光子晶体的缺陷模式特性。
A hail cloud model that is two dimensional elastic non hydrostatic, USES a terrain following coordinate system and includes double parameters for ice phase microphysics, has been developed.
建立了一个适用于复杂地形的冰雹云模式。模式是二维、弹性、非静力、采用地形跟随坐标、包含双变参数冰相微物理过程参数化。
The three dimensional non linear finite element analysis of the transient temperature field during intermediate frequency quenching of diesel crankshaft was simulated by using of ANSYS.
利用ANSYS有限元分析软件,采用三维非线性有限元方法对柴油机曲轴中频淬火瞬态温度场进行了模拟计算;
Objective To observe the three dimensional micro-architecture of osteoporosis and non-osteoporosis cancellous bone and its effect on bone strength.
目的观察骨质疏松和非骨质疏松状态的松质骨的三维微观结构对其骨强度的影响。
Two dimensional non equilibrium sorption pseudo steady state model of coalbed methane for vertical well is derived in combination of an American model with the filed situation.
借鉴美国现有模型,结合我国现场实际情况,建立了二维煤层气垂直井的非平衡拟稳态井底渗流数学模型。
An experimental Study of a two dimensional inlet model in non-uniform supersonic flow are presented.
介绍一种二元进气道模型在非均匀超音来流中的初步研究结果。
With the non staggered grids, a three dimensional quasi state laser remelting problem, considering heat transfer and fluid flow, is numerically simulated.
对三维准稳态激光重熔问题进行数值模拟,模型考虑了熔池内金属液体的流动和换热。
The effect of sectional area of surge tank on stability of turbine regulation system has been analyzed by using the mathematic model of the non dimensional parameters of the whole system.
运用有调压室的水轮机调节系统数学模型,引入无量纲参数,详细分析了调压室断面积对调节系统稳定域的影响。
The effect of sectional area of surge tank on stability of turbine regulation system has been analyzed by using the mathematic model of the non dimensional parameters of the whole system.
运用有调压室的水轮机调节系统数学模型,引入无量纲参数,详细分析了调压室断面积对调节系统稳定域的影响。
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