取得了伴流分布尺度效应较满意的结果。
The satisfactory results for the scale effect of wake survy were obtained.
对桨盘处轴向伴流的计算表明，计算结果是合理的。
The results of the axial wake at the propeller plane showed that the calculation method is reasonable.
伴流分数有明显的尺度效应，随模型尺度的增加而下降。
There is an appreciable scale effect on wake fraction, and the wake fraction decreases as the size of models increases.
介绍尾型与伴流场之间关系及非对称双尾鳍船型的形成。
The relationship between stern forms and wake fields and the configuration of asymmetrical twin-skeg ship form are described in the paper.
实效伴流的不均匀性是引起螺旋桨空泡、振动的主要原因之一。
The effective wake is one of the primary reasons of propeller cavitation and induced ship hull vibration.
螺旋桨在不均匀伴流中操作引起的激振是船舶设计一个非常重要的因素。
Propeller-induced vibration caused by propeller operation in unsteady wake flows remains a highly important factor in ship design.
为了避免由于势流假设引起的不准确性，螺旋桨设计者引入了实效伴流的概念。
To avoid the inaccuracy caused by this potential flow assumption, propeller designers have introduced the notion of the effective wake.
本文主要介绍双桨浅吃水肥大船尾型、伴流场与螺旋桨旋向配合研究的主要结果。
This paper describes primarily the results of the research on the combination of stern shape, wake field and propeller rotation direction for a shallow draft full ship model.
从最后计算得到的桨盘面伴流分布结果来看，数值计算较好地反映了桨盘面流场的特征。
The predicted velocity distribution at propeller disk shows that the numerical result is in good agreement with experiment.
通过流场显示及激光多普勒测速仪测定湍流特性等实验方法考察了管内的无伴流约束射流。
The recirculation phenomena and turbulence characteristics in non-ambient flow confined jets inside the tubes were explored.
通过FLUENT模拟得到桨盘面处的船体伴流，进行周向平均后作为全回转推进器的来流。
Used FLUENT to simulate the wake at the disk, and then took the circumferential average as the inlet.
所以，实效伴流是对基于势流理论的螺旋桨分析方法的修正，它包含了螺旋桨和来流之间的相互影响。
So the effective wake is the properly correction to the propeller analysis method based on potential flow theory which includes the interaction between the propeller and the inflow.
目的探讨二尖瓣狭窄伴反流的患者用压差减半时间(pht)法测量二尖瓣口面积的应用价值。
Objective To explore the clinical application of pressure half-time (PHT) method on rheumatic mitral stenosis coexisting mitral regurgitation.
目的探讨二尖瓣狭窄伴反流的患者用压差减半时间(pht)法测量二尖瓣口面积的应用价值。
Objective To explore the clinical application of pressure half-time (PHT) method on rheumatic mitral stenosis coexisting mitral regurgitation.
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