带动力实验进行洞壁干扰修正时,必须考虑螺旋桨滑流的影响。
The effect of propeller induced slipstream to the experiment data must be corrected.
本文采用理论方法系统地研究了非均匀流场中螺旋桨性能预报和理论设计问题。
This paper adopts the theoretical method to research the problem on the performance prediction and the design of the propeller operating in ship wake systematically.
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 paper presents a new method for predicting the hydrodynamic performance of the shilling rudder behind a propeller.
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.
并通过模型试验进一步证实该船振动的成因主要是由于螺旋桨在不均匀流场中运转时产生的激振力所致。
It is verified by means of model test that the ship vibration is caused by the propeller-excited force, which is generated by the propeller running in the non-uniform stern flow field.
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.
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.
螺旋桨动力试验的目的在于获得螺旋桨滑流影响(间接影响)。
The purpose of the test for aircraft with propeller is to obtain the effects due to slipstream.
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.
本文将传统的螺旋桨动量理论与计算流体力学的方法相结合,数值模拟螺旋桨滑流对其后部件气动特性的影响。
This thesis concentrates on the application of CFD techniques to simulate the effect of turbo-propeller slipstream on the parts behind the propeller.
本文采用理想螺旋桨模型来简化螺旋桨绕流问题。
The ideal propeller model is used in this article to simplify the flow around the propeller.
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。
A new method for predicting the hydrodynamic performance of the rudder with plates behind a propeller is presented.
螺旋桨模型简化为一个激励盘,即一个无厚度可穿透的圆盘,以给定的圆盘拉力载荷,即压强差来模拟螺旋桨滑流的效果。
The N-S equations with adoption of an actuator disk model are used to simulate the effect of turbo-propeller slipstream on high-lift systems.
在建模过程中,考虑了螺旋桨滑流对飞机的气动干扰及不同飞行状态下螺旋桨拉力及扭矩的变化。
Interference of propeller slipstream, changing of propeller thrust and twist with different flight state was took into account.
本文提出拖式吊舱螺旋桨(螺旋桨位于吊舱首部)定常水动力性能的势流理论计算方法。
A numerical method based on the potential flow theory is proposed in this paper for predicting the steady performance of tractor-type podded propellers.
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.
由于船体的影响,双桨船的螺旋桨处于斜向来流的条件下运转。斜流造成螺旋桨叶工作状态的非定常性。
Because of the influence of the hull, the stern propeller of a twin-screw vessel is working under condition of oblique flow, and the unsteady working condition of the blade of a propeller is created.
地面效应装置(如气垫船),倾斜旋翼机或任何依靠螺旋桨所产生向下的滑流而悬浮的航空器,皆不属于直升机。
Ground effect machines (hovercraft), convertiplanes or aircraft that hover by means of propeller slipstream (s) deflected downward are not considered to be helicopters.
本论文利用FLUENT的这些特点模拟大侧斜可调桨的三维粘性流场,在没有图谱可以利 用的条件下,使 CFD成为螺旋桨设计的手段之一。
This thesis tends to simulate the 3D viscous flow of a high-skew controllable pitch propeller by using FLUENT, which can serve as a design method without collection of illustrative plates.
探讨了一种新型的潜艇流噪声与螺旋桨噪声的模型试验方法——自航模水动力噪声测试技术。
Comparison between the simulations of flow-noise of a submarine-like body with four different turbulent models;
探讨了一种新型的潜艇流噪声与螺旋桨噪声的模型试验方法——自航模水动力噪声测试技术。
Comparison between the simulations of flow-noise of a submarine-like body with four different turbulent models;
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