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- vortex generating bluff body 旋涡发生体
- In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50% that of the old single bluff body vortex flowmeter. 研制出比传统单纯涡街流量计流量下限降低约50%25的新型又纯体涡街流量计;
- A building is a bluff body that air must travel around. 因为直立的大楼,所以空气只能绕过它往前流动。
- The impingement characteristics of a circular jet with vortex generating tabs were investigated experimentally. 摘要对涡激励突片的单排圆形射流冲击冷却特性进行了实验研究。
- The aerodynamic admittance has been the main topics of bluff body aerodynamics study since 1960s after Prof. Davenport. 自20世纪60年代Davenport提出钝体气动导纳概念之后,气动导纳一直是钝体空气动力学研究的焦点之一。
- Su, T.C. and Lian, Q.X., "The Tip-Ward Flow over a Surface Mounted Bluff Body", FIV, pp. 39-44,(1990). 林呈、颜光辉、陈谨伟、黄文彦,"人工鱼礁周边之流场特性与冲刷机制之实验研究",第二十届海洋工程研讨会论文集,(1998)。
- Furthermore,the influence of central bluff body and velocity of swirling secondary air on backflow field are analyzed. 此外,分析了中心钝体形状及旋流二次风速对回流区大小的影响。
- L.X.Zhou, W.Y.Lin and H.Q.Zhao, Flow and turbulent mixing in a sudden-expansion chamber with and without a central bluff body, Proc. 7th Inter. 林文漪,周力行,李景明,张健,有钝体的突扩燃烧室流场数值研究,第一届全国计算传热学会议,杭州,1985。
- Furthermore, the influence of bluff body on the size of circumfluence area and the velocity distribution near the bluff body is researched. 此外,本文还重点分析了钝体及旋流二次风速对回流区尺寸的影响。
- By the experimental bench of bluff body flame and under different working orders,the speed in blowing out the flame of methane premixing gas with vapour is measured. 利用钝体稳定火焰实验台,在不同工况下,测量了含水蒸汽的甲烷预混气的火焰吹熄速度。
- A consistent hybrid FV/MC algorithm developed on triangular unstructured meshes is implemented to simulate turbulent diffusion flame stabilized on bluff body. 在无结构网格中,对轴对称钝体驻定的湍流扩散火焰进行数值模拟。
- This paper studied the wake improvement by stern fin and vortex generator numerically. 本文中利用数值计算讨论使用艉导流翼与涡流导流翼来改善艉迹流特性的可能性。
- That vortex generates lift, and acts like a miniature tornado that sucks the seed up. 涡旋产生上升力,就像一个微型的旋风把种子吸起来。
- To investigate this I needed a smoke ring generator aka vortex generator able to run from a high voltage discharge to simulate lightning. 调查这我需要一个烟圈发电机又名涡流发生器能够运行,从一条高压放电模拟雷电。
- Heat transfer can be improved by longitudinal vortex (LV) generated by longitudinal vortex generators (LVG) in narrow rectangular channel. 摘要利用纵向涡发生器在窄间隙矩形通道内产生的纵向涡可以起到强化传热的作用。
- EXPERIMENTAL STUDY OF FLUID OSCILLATION FOR DUAL BLUFF BODY VORTEX FLOWMETER 双钝体涡街流量计流体振动特性的试验研究
- The winglet type of vortex generators used in elliptic tube exhibit the best performances of area reduction rate at higher velocity applications. 矩形翼对波浪型涡漩产生器的热传性能较低于环状波浪型涡漩产生器,压降也较高,不过由于热传性能提升的幅度较压降增加率高,故面积缩率能随著流速的增加而提高。
- This paper presents the results of the windtunnel study of the aerodynamic force and moment coefficients on the highstrut lamp of multiple bluff body under various horizontal and vertical wind directions. 通过风洞实验研究了多钝体高杆灯在不同水平风向角和竖向风向角下的力与力矩系数。
- This paper describes the investigation of boundary layer separation control for supercritical aerofoil using micro vortex generator in the low speed wind tunnel. 在低速风洞中研究了微型涡流发生器对超临界翼型边界层分离的控制。
- By the comparison of simulation results and experiment data, the subgrid scale models can simulate the transient turbulent flow and recirculation zone behind the bluff body stabilizer. 通过计算结果及实验数据的比较可知,本文采用的亚网格尺度模型可以用来模拟模型燃烧室紊流流场及稳定器后面回流区的流动情况。