wake相关论文
The shallow water flow through and around a patch of rigid emergent vegetation was investigated numerically.The mean flo......
Quantification and Visualisation of Blockage Effects for a Savonius Type Turbine using Particle Imag
Aninvestigation has been undertaken into the blockage and wake characteristics of various scaled Savonius turbines.The S......
The flow structure around a cylinder group in cross flow was investigated experimentally.The experiments were conducted ......
OBJECTIVE To elucidate the role and neural circuits of glutamatergic parabrachial nucleus (PB) neurons in the regulation......
OBJECTIVE To elucidate the role and brain circuits of PB neurons in the regulation of wakefulness.METHODS A chemogenetic......
By the recent soccer ball games,the panel shape of the ball changes in every big meeting....
In a large wind farm,the wakes of upstream and downstream wind turbines can interfere with each other,affecting the over......
为提高风场总功率,减小上游风力机尾迹的影响,以实现风场全局优化的思想,利用致动线(ALM)方法,基于开源软件OpenFOAM对9种偏航工况......
针对目前尾流测量中只能获得一个参数的缺点，本文将范数理论应用于尾流气泡幕参数的计算。试验中，通过片光源切片成像系统拍摄尾流气......
The three-dimensional transition of the wake flow behind a circular cylinder is studied in detail by direct numerical si......
The dynamics of long slender cylinders undergoing vortex-induced vibrations (VIV) is studied in this work. Long slender ......
目的：观察瑞芬太尼复合异丙酚对脊柱结核患者麻醉苏醒质量的影响。方法：将本院2011年5月至2013年3月期间收诊的脊柱结核手术患者随机......
A computational model is established to investigate the effects of a periodic gust flow on the wake structure of ventila......
In a large wind farm,the wakes of upstream and downstream wind turbines can interfere with each other,affecting the over......
采用数值方法对设计流量为1.15 kg/s,转速为60 kr/min的一级轴流和离心叶轮组成的组合压气机非定常流场进行模拟,目的是明确多排叶......
以带有导流叶片的高速小流量离心压气机为研究对象,对其叶片排间的确定性相互干涉现象进行了研究.首先进行了定常计算,通过计算结......
对于Baldwin和Lomax代数湍流模型的两个主要缺点,即不同流动情况下长度尺度的不确定性以及尾迹区处理的模糊性,本文进行了针对性的......
采用数值方法研究了在蜗壳内部和压气机进口非对称流场的耦合作用下,非均衡进气双面离心压气机周向流场结构的差异.结果表明:后方......
致动面模型利用无厚度的平面代替风力机叶片,在平面上施加不连续压力来模拟叶片对气流的作用,结合N-S方程,在FLUENT中进行数值模拟......
本文针对1+1对转涡轮1.5级不同时序位置进行了非定常数值计算,结果表明,通过改变低压级导叶时序位置,1+1对转涡轮1.5级在较差时序......
采用粒子图像测速仪(PIV)对绝热条件下单个蒸汽泡在矩形窄缝通道内去离子水中上升的尾流特性进行研究,分析了入口平均流速和汽泡直......
采用粒子图像测速仪(PIV)测量流场的速度分布,对空气泡在矩形窄缝通道内上升的尾流特性进行了研究,分析入口平均流速和气泡直径对......
我从小喜欢运动,毕业后一直在互联网公司工作。去年一段时间,我家附近新开了多家瑜伽馆,身边也有越来越多的朋友开始练瑜伽。我就......
为研究湍流强度对风力机尾迹涡结构的影响规律,利用TR-PIV(time resolved-particle image velocimetry)对水平轴风力机模型在有、......
Reducing the fuel consumption of ships presents both economic and environmental gains. Although in the past decades, ext......
在2017年的贺岁电影中,《功夫瑜伽》中演员们的高难度瑜伽动作让人印象深刻赞叹不已。瑜伽起源于印度,是通过古老而易于掌握的动作......
基于小型轴流压气机实验台,运用热线风速仪(HWA),对不同转速、流量工况下,静叶排出口尾迹流动特性进行实验研究.对同一工况下尾迹......
周向槽机匣处理作为一种有效的扩稳措施得到了广泛应用,但是缺乏对其机理的深入理解和认识。为此,在一台低速单转子轴流压气机上考......
The linear instabilities of incompressible confluent mixing layer and boundary layer were analyzed.The mixing layers inc......
Very limited attention has already been paid to the velocity behavior in the wake region in unsteady aerodynamic problem......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
基于Park模型尾流区线性膨胀假设和径向风速呈高斯分布假设,提出一种新型工程尾流模型Park-Gauss模型,对单台风力机尾流场进行数值......
采用大涡模拟方法计算了来流速度为0.4 Ma情况下球/柱形结构附近的流场,根据密度数据计算了光程差及气动相屏,并研究了尾流对激光......
Numerical simulation has been performed to investigate the characteristics of the turbulent jet issuing obliquely into a......
Inspired by Dryobalanops aromatica seed, a new biomimicry marine current turbine is proposed. Hydrodynamic perfor- mance......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The temperature difference of the submarine’s wake on the sea surface is the base for the IR detection. In this paper, ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为了研究三维旋转风轮的尾流流动情况，利用多重参考模型( moving reference frame，MRF)数值模拟给定风机的尾流情况，针对风机在不同的......
Based on the characteristic equation for power-law fluid and the Prandtl boundary layer equation, using the similarity m......
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Planar laser-induced fluorescence (PLIF) was used to study the characteristics of pollutant mixing and transport in wake......
采用CFD软件对麦克马斯特大学垂直轴风力机进行数值模拟,结果表明:在不同叶尖速比下,风力机计算功率与风洞试验数据吻合良好;风轮......
采用数字粒子图象测速技术 ,在恒定来流的工况下 ,分别对圆柱、正弦形状半岛的尾流近区的速度分布进行了比较详细的测量 ,获得了大......
The flow around two plates having asymmetric beveled trailing edge placed side-by-side in a uniform stream were investig......
The experimental results on drag increment caused by internal waves, which are generated by a Rankine ovoid towed horizo......
The three-dimensional transition of the wake flow behind a circular cylinder is studied in detail by direct numerical si......
通过对三维不可压缩N-S方程的直接数值模拟详细研究了Re=200,即刚超过三维转捩的临界雷诺数时的圆柱尾迹.圆柱的展向特征长度决定......
利用VOF (volume of fluid)方法对静止水中气泡的自由上升过程进行了数值模拟,研究了初始直径不同的气泡自由上升时尾流的演变过程......
本文采用环面形叶栅方法计算两级低速压气机50%径处的非定常流动情况进行了数值计算,针对NO2级静叶在一个栅距内的8个不同的时序位......
