基于鱼类肌肉水动力学的研究,利用鱼类尾鳍与微机器人摆翼运动相似性,对仿生鱼型微机器人摆翼所产生的推进力进行了分析。
Based on motion similarity of microrobot drive fin and fish caudal fin, this paper discusses fish muscle hydrodynamics, and analyzes propulsion force produced by biomimetic fish-like drive fin.
然而,为改进其水动力学性能和促进其实用化,尚有一些问题需要解决,例如有关三体船构型与阻力性能的关系。
There, however, are still some problems to be tackled to improve its hydrodynamic performances and promote its practical use, such as the relation between the configuration and its resistance.
计算结果均表明,本文的一维水动力学模型能较好地模拟漫滩河道的过流特征,并改善了漫滩河道洪水演进的模拟与预测能力。
Calculation results show that this model can simulate the characteristics of water flow in a floodplain river and can improve the capacity of flood routing simulating and predicting.
总体设计依据是流体动力学和水下生态系统,船体是通过对水动力进行研究后进行的设计。
The overall design is informed by fluid dynamics and underwater ecosystems, with hydrodynamic research informing the design of the hull.
本论文应用CFD方法求解了海洋工程领域中的流体水动力学问题。
The thesis employs the method of CFD to solve the hydrodynamic problems in the field of ocean engineering.
从动力学进一步分析也表明,湛江港的增水类型与热带气旋登陆地点和路径关系非常密切。
Dynamical analysis also indicates that the type of the surge at Zhanjiang Harbor has intimate association with the landing location and the path of the tropical cyclone.
根据特殊的地质和水动力学特征,对常规物质平衡方程进行了改进。
Based on the special geologic and hydrodynamic features, the conventional material balance equation is modified.
CFD应用于船舶水动力学问题的数值求解,产生了船舶CFD方法。
The application of CFD in resolving ship hydrodynamic problems results in a new branch in ship hydrodynamics — ship CFD.
从坡面水动力学角度研究了坡面乔木林、草本植物和林地枯落物对坡面径流流速和动能的影响机理。
From the view of hydrodynamics, this paper studied the acting mechanism of tree, grass and forest litter on slope runoff velocity and kinetic energy.
气液界面存在同向或反向切应力时,在一定程度上影响到液膜的水动力学特性和流动稳定性,并改变其热质传递特性。
The shear stress at the liquid-gas interface plays an important role on characteristics of the hydrodynamics, flow stability and heat transfer of liquid film.
剪切波状液膜作为一种重要的液膜流动形式,因受界面剪切力的影响,其水动力学特性和流动稳定特征与自由降膜流动明显不同。
The sheared wavy liquid films, as an important flow, have notably different hydrodynamics and flow stability under interfacial shear stress from those of free falling liquid films.
跨海桥梁工程的设计与建设提出了许多新的水动力学问题。
There are many new hydrodynamic problems proposed in the course of design and construction of Bridges over estuarine and coastal waters.
采用计算流体动力学(CFD)技术实现在船舶设计阶段对船舶水动力性能的精确预报,是船舶水动力学学科中一个具有重大理论和实用意义的、富有挑战性的课题。
Numerical prediction of ship hydrodynamic performance at design stage using computational fluid dynamics (CFD) technique is a most important and challenging subject in the field of ship hydrodynamics.
基于以上实验手段,进一步对短管内弹状泡上升流动的水动力学与传递进行了实验研究与理论分析。
Applying the same experimental method, the hydrodynamics and the transfer of the plug-rising flow regime is investigated and discussed in detail.
实验结果表明,边界流体层厚度是水动力学条件的函数。
The experimental results show that the thickness is the function of hydrodynamic conditions.
论述了水热条件下水的特性、体系的反应动力学及制备超细粉体的各种水热法。
The characteristics and reaction dynamics of hydrothermal condition are shown, and various hydrothermal methods processing superfine powder are all summarized.
土壤水动力学参数对指导农业生产、水利和水保工程设计是必不可少的。
Soil dynamic parameters are essential in guiding agriculture production, engineering design for soil and water conservation and irrigation works.
根据六水硝酸铀酰(unh)的脱硝动力学特性,将微波加热减压振动流化床用于UNH的脱硝过程,是一个很有价值的脱硝工艺。
A new denitration process of UNH which is reduced pressure vibro fluidized bed with microwave heating is well worth research based on the denitration kinetics characteristics of UNH.
气顶油藏是表述上方有天然共存的气相烃类蕴藏的油藏,它与下方的油藏和水体处于一个统一的水动力学体系中。
The gas-cap oil reservoir is an oil reservoir overtopped with gas phase hydrocarbon that is in a unified hydrodynamic system with the underneath oil deposit and the water body.
因此,运用RETC软件推导出的土壤水动力学参数还是可行的。
Therefore, it is feasible to use RETC software to derive soil hydrodynamic parameters.
基于水动力学原理,对机器人推进机构的轮片在水下产生的推动力进行了分析。
Based on the principles of hydrodynamics, it analyzed the propulsive force generated under water by the driving flakes of the robot.
进而将城市产汇流方法和河网水动力学方法相耦合,计算出在不同规划条件下的河网洪水位,以此为防洪规划工程提供技术支持。
At last, river water level in different plan condition is calculated integrating the method of city runoff and river network hydraulics, to provide technical supports for flood-prevention projects.
土壤水动力学参数的推导和土壤水分运移分布的数值模拟是研究土壤水分运动规律的重要部分。
Derivation soil hydrodynamic parameter and numerical simulation of soil water movement and distribution are important parts of soil water movement research.
利用DTA技术研究了一水硫酸锂脱水及固固相变的非等温动力学。
A kinetic of the thermal dehydration and solid solid transitions of lithium sulfate monohydrate were investigated by DTA.
水力学所研究的基本规律包括水静力学和水动力学两大部分。
Hydraulics is a branch of mechanics science. The base rules of hydraulics include hydrostatics and hydrodynamics.
动力学模型需要大量的田间实测资料,主要应用于农田氮素循环、定量评价水氮资源利用率、优化水肥管理措施等方面。
The DPM method needs lot of field data, mainly to study nitrogen cycle in field, assess water and nitrogen usage efficiency and optimize management soil water and nitrogen fertilizer.
影响岸坡稳定的因素大致可划分为地质、河流及水动力学、水文气象及人类活动因素,这4大因素既相互制约又相互影响。
The factors influencing the bank stability can be roughly divided into 4 classifications of geology, river dynamics, hydrometeorology and human activity, which are influenced mutually.
根据水动力学弥散理论建立农药在包气带中运移与转化过程的数学模型,评价农药使用对地下水环境的影响。
A mathematic equation was established to model the leaching and transformation of pesticides in root zone and assess impact of pesticide on groundwater.
根据水动力学弥散理论建立农药在包气带中运移与转化过程的数学模型,评价农药使用对地下水环境的影响。
A mathematic equation was established to model the leaching and transformation of pesticides in root zone and assess impact of pesticide on groundwater.
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