Resistance performance is one of the fundamental hydrodynamic performances of ships.
船舶阻力性能是舰船的基本水动力性能之一。
The hydrodynamic performance of canoeing OARS is the theoretical basis of canoeing technique.
划艇桨叶的流体动力性能的规律是划艇运动技术的理论基础。
In our country, research on the hydrodynamic performance of boats and oars is almost blank space.
本文的研究目的就是解决划船桨叶的流体动力性能。
The improvement of sport skill and hydrodynamic performance of the both of boats and oars is the key.
这两方面的研究与国外有一定的差距，特别是船、桨水动力性能的研究几乎是空白。
A new method for predicting the hydrodynamic performance of the rudder with plates behind a propeller is presented.
提出了一种计算带制流板舵在螺旋桨尾流中水动力性能的方法。
So, how studies can accurately prediction to the contra-rotating propeller hydrodynamic performance is more important.
所以，研究如何更能准确地预报对转螺旋桨水动力性能更为重要。
The paper presents a new method for predicting the hydrodynamic performance of the shilling rudder behind a propeller.
本文提出了一种计算带制流板的鱼尾舵在螺旋桨尾流中水动力性能的方法。
The hydrodynamic performance of podded propeller is calculated, including the open water characteristics and bearing force.
用面元法对吊舱螺旋桨的水动力性能进行了计算，得到了吊舱推进器的敞水曲线和轴承力。
Influence of surface treatment of corrugated wire gauze packing on its hydrodynamic performance of packing has been studied.
研究了金属丝网波纹填料表面处理对其流体力学及传质性能的影响。
The effect of the couple stress on the thermo hydrodynamic performance of a finite journal bearing is studied in this paper.
研究了应力偶对有限长滑动轴承热流体动力特性的影响。
So, an in-depth study in how to make a accurate prediction of the hydrodynamic performance of the propeller is very important.
因此，深入地研究如何准确地预报螺旋桨的水动力性能是非常重要的。
The pressure distribution on rudder surface and the hydrodynamic performance ofthe reaction rudder are discussed in the paper.
通过计算得到的舵表面压力分布可看出反应舵节能的原因。本文还对反应舵的操纵性能进行了计算和研讨。
In this thesis, the main content is the prediction of hydrodynamic performance of these two kinds of turbines with numerical calculation methods.
本文的主要工作是对这两种不同的被动式竖轴水轮机的水动力性能进行数值模拟。
This paper has adopted the lifting-surface method for the prediction of unsteady hydrodynamic performance and cavitation performance of propeller.
本文采用升力面理论预报螺旋桨非定常水动力性能及空泡性能。
In order to predict the hydrodynamic performance of propeller with boss cap fins, CFD software was used to calculate the its open water performance.
为了预报毂帽鳍的水动力性能，采用计算流体力学软件对粘性流场中毂帽鳍的敞水性能进行计算研究。
Two pontoon raft models with different types of pontoon were studied for selecting a pontoon with higher hydrodynamic performance by using CFD method.
本文针对两种不同舟型的分置式舟桥，运用CFD方法进行方案评估和选优。
The surface panel method and an improved numerical Kutta condition have been applied to predict the hydrodynamic performance of a propeller in steady flow.
本文采用面元法和改进的数值库塔条件预报螺旋桨定常性能。
This research is useful in predicting of the hydrodynamic performance and in enhancing the prediction precision of the propeller by using High-Order Surface Panel Method.
本论文的研究为高阶面元法预报螺旋桨的水动力性能打下了一定的基础，对进一步提高面元法预报的精度具有一定的实用意义。
In the amphibious tank design, the traditional way of studying the hydrodynamic performance and validating the design is towing trial, so several problems are not unavoidable.
在进行水陆坦克设计时，传统的方法主要通过模型拖模试验研究分析水上性能和验证设计。
This paper presented the conceptual design of a high-speed trimaran based on the research work conducted for the design and the hydrodynamic performance of the high-speed trimaran.
针对一型三体缉私艇为实例完成了高速三体船型的概念设计，并进行了相关的模型试验。
Hydrodynamic performance of some regular shape structures like box and spheroid are calculated to investigate disturbing effect on submerged bodies from adjacent floating structure.
通过对长方体和椭球这些规则形状物体水动力性能的计算和比较，反映了浮体对邻近潜体的水动力干扰作用。
In order to analyze the influence of fins, a low-order panel method based on velocity potential was used to predict the steady hydrodynamic performance of a podded propeller with fins.
为了分析鳍对吊舱推进器水动力性能的影响，用基于速度势的低阶面元法预报附鳍吊舱推进器的定常水动力性能。
Through trained, BP neural network can obtain strong nonlinear mapping ability to learn the data characteristics of the hydrodynamic performance of ship propeller as a mathematic analytic form.
BP人工神经网络模型通过训练可以具备强大的非线性映射能力，以数学解析的形式，较好地提取了海量螺旋桨水动力性能数据特征；
Described in this paper are the effects of the aspect ratio, the swept-back, the taper ratio and the profile of the ship rudder on its hydrodynamic performance by a test method of orthogonality.
本文用正交试验法研究了舵展弦比、前缘后掠角、梢根比和翼剖面对舵性能的影响；
Present method is reliable and effective by the calculation results. It is very successful in the calculation of the pressures and hydrodynamic performance of the propeller in unsteady condition.
实例计算结果表明本方法是可靠和有效的，在螺旋桨水动力性能预报和压力分布等方面的计算是非常成功的。
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.
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。
Thereinto, the design of micro-turbulence generator is crucial to the performance of the hydrodynamic headbox.
其中，微湍流发生器设计是关键，其直接决定了水力式流浆箱的工作性能。
The sealing leakage ratio formula of water electric tank was deduced based on hydrodynamic theory and the sealing performance was analyzed.
基于流体动力学理论，推导了水电解槽密封泄漏率公式，并分析了其密封性能。
The data of geometric characteristics, hydrodynamic and mass transfer performance of packing were obtained.
获得了该填料的几何特性、流体力学性能及传质性能数据。
The performance of the KLD40 air-conditioning unit by the test and the methods of thermodynamics and hydrodynamic were researched.
本文通过列车运行试验并用热力学和流体力学的方法研究了KLD40型空调机组冷凝风量以及制冷量等性能变化。
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