水动力

内燃式水动力系统最佳经济特性

Economic Performance of Internal Combustion Water Power System

内燃式水动力系统各油门开度下最低燃油消耗率在291~422g/（kW·h）之间，对应系统转速约为1400r/min。

The lowest fuel consumption in different throttles of internal combustion water power system is between 291 g / ( kW · h ) and 422 g / ( kW · h ) . Corresponding rotational velocity is about 1 400 r / min.

简单Green函数法求解三维水动力系数

Calculation of three-dimensional hydrodynamic coefficients by simple green 's function technique

GIS在平原河网水动力模型中的应用

GIS Based Hydrodynamics Model of Plain River - network

立式V型曲面网板的水动力性能

Hydrodynamic characteristics of vertical V type otter board

安静型超导磁流体管道循环泵水动力性能CFD分析

CFD Analysis of the Superconduct MHD Piping Circular Pump Hydrodynamic performance

NURBS高阶面元法在多体水动力分析中应用

Application of a NURBS higher-order panel method to multi-body hydrodynamic analysis

底泥中PAHs分布明显受人为污染源及水动力条件的影响，污染源集中排放区底泥中PAHs含量高，水动力强的部位PAHs含量低；

The PAHs distribution obviously was affected by man-made pollution sources and water driving force conditions .

Re数和Kc数仍然是影响管道水动力系数的两个主要参数。

Re and Kc are two primay parameters which influence the hydrodynamic force coefficients .

600MW超临界CFB锅炉的水动力计算

Hydrodynamic calculation of 600 MW supercritical CFB boiler

对设计完成的AUV进行三维水动力仿真，模拟AUV周围粘性流场的情况。

Three ‐ dimensional hydrodynamic simulation of AUV design is completed and simulation AUV viscous flow around the field .

基于一个成熟的水动力模型ECOM（EstuaryCoastalOceanModel），对胶州湾潮波系统及其驱动下的标识质点运移规律进行数值模拟。

ECOM ( Estuary Coastal Ocean Model ) is used to simulate the tidal system and the tidally driven movement of water particles in Jiaozhou Bay , China .

本文通过引入动边界技术，完善了POM水动力模型，并在此基础上建立了近海三维水质数学模型，将其应用于南通达标水排海工程的水环境影响预测与评价，取得了满意的效果。

The improved POM has been successfully applied in water environmental impact assessment of Nantong sewage marine disposal engineering .

AUV（无人潜航器）是一个典型的具有非线性、耦合性和运动模型水动力不确定性的系统。

AUV ( Autonomous Underwater Vehicle ) is a typical system which is characterized by nonlinearity , coupling and hydrodynamic uncertainty .

对太湖现代沉积物进行了X射线衍射分析、粒度分析和常量元素分析，由此推断它们的矿物成分、化学风化程度差异，并分析了不同的水动力条件和物源。

On the basis of X-ray diffraction , sedimental size and major elements analyses , we deduce the chemical weathering degree of sediments in Taihu Lake and illuminate the hydrodynamic condition and the source of sediments .

通过底泥正交模拟试验测定分析认为温度、溶解氧、pH值、水动力均是影响双龙湖底泥磷释放的显著因素，显著性排序依次为溶解氧>温度>pH值>水动力。

Draw a conclusion that temperature , DO , PH and Stir are all remarkable affecting factor in Phosphate Releasing by the orthogonal experiment , and the order of marked factors is DO > Temperature > pH > Stir .

根据CFX计算结果，用最小二乘法参数辨识方法辨识出定常滑翔运动的水动力参数。

The hydrodynamic parameters of constant gliding motion are identified with least square method based on CFX calculation results .

采用一维对流-水动力弥散方程（CDE）研究了非反应性化学物质在土壤中的迁移行为。

The classical one-domain model with convection-dispersion equation was used in thes study for describing a nonreactive solute transport in soil .

数值船池技术即应用CFD方法进行船舶流动数值模拟，实现对船舶水动力性能的预报，起到船池中船模试验相同的目的。

Numerical Towing Tank technology employs CFD methods to simulate the flow around ship , so that the ship hydrodynamic performances can be predicted as by the model test in physical tank .

运用SaintVenant方程和二维浅水方程计算了洪潮遭遇的水动力特性。

By using Saint Venant equations and two dimensional shallow water equations , the unsteady flow for flood meeting with tide is calculated .

研究结果表明，只要选择适当的学习样本、网络结构和学习算法，神经网络的水动力预报精度、回转运动预报和Z形曲线的预报在实际中可以接受。

It is verified that the prediction accuracy of ship maneuvering hydrodynamics , turning motion and zigzag curve are acceptable in practice , if the learning samples , network 's structure and learning algorithm are reasonable .

带有烟道蒸发器的600MW超临界锅炉垂直管圈水冷壁水动力特性研究

An Investigation on Hydrodynamic Characteristics of Vertical Upward Waterwall of 600 WM Supercritical Pressure Boiler with Gas Tunnel Evaporator

应用该测试系统进行了NaCl示踪剂溶液在裂隙介质中运移的试验，并用解析–优化方法求解了裂隙介质中NaCl示踪剂溶液运移的水动力弥散参数。

So this testing system excels other similar devices worldwide . Solute transport experiments are carried out by the testing system with NaCl tracer solution , and hydrodynamic dispersion parameters of NaCl tracer transport are solved by analysis-optimization method .

试验结果表明：水动力弥散和混合电子受体条件下的土著微生物降解是乙醇和单环芳香烃（BTEX）自然衰减的主要过程。

The results show that hydrodynamic dispersion and indigenous biodegradation under mixed electron accepter conditions are primary mechanisms for the attenuation of ethanol and BTEX in porous media .

通过大量的仿真结果表明，当水动力系数出现摄动时，船舶横向运动姿态及受扰kalman估计精度服从对数正态分布，LQG控制的控制效果服从正态分布。

A large number of emulation results shows that when the hydrodynamic parameters of the ship fluctuate , the kalman estimation precise submits to logarithmic normal distribution and the controlling effect of LQG designing submits to normal distribution .

简化了空间螺旋回转运动过程，通过CFX水动力计算方法进行回转特性分析，估算回转半径。

The space helix turning motion is simplified , and a method for analyzing the turning characteristics and estimating the turning circle radius with CFX hydrodynamic calculation is presented .

研究表明，强烈的水动力交替作用使煤层气藏中的H2S含量降低、甲烷碳同位素变轻、甲烷含量降低、氮气和二氧化碳含量增大。这些变化对煤层气成藏造成不利影响。

Study shows that H2S and methane concentration will be reduced , δ 13C1 be lightened , N2 and CO2 contents be increased under the strong hydrodynamic alternation , which have unfavorable impact on CBM accumulation .

论述了Au的矿源体（场）、特定的岩性和地质结构、挽近地史时期的气候和喀斯特地质结构和水动力系统在成矿中的内在联系及其对矿床分布的控制作用。

Discussion on the inherent relation in the ore-forming process of Au involving the original ore body , specific lithologic characters and geological structure , climate in neoid period and karst geological structure and hydrodynamic system and control process with deposit distribution has been carried out .

对于一维非饱和弥散实验，在分析溶质的水动力弥散理论的基础上，推导出求解非饱和土壤水动力弥散系数Dsh（θ）的计算公式。

THE THEORY OF DISPERSION AND THE DETERMINATION OF DISPERSION COEFFICIENTS On the basis of theoretical analysis the formula for calculating the solute hydrodynamic dispersion of unsaturated soil is also attained .

本文通过一艘LPC实船侧斜桨的设计论述了螺旋桨理论（包括水动力设计、结构有限元应力分布计算及脉动压力预报）如何支撑了整个设计过程。

In this paper , it is reported , how the propeller theories ( including hydrodynamics design , stress distribution analysis by FEM and fluctuating pressure prediction ) and computer code are supporting the propeller design for a LPC ship .