1) fluid-oscilator flowmeter
射流振荡流量计(液)
2) oscillating jet
振荡射流
1.
Increased wind turbine blade airfoil lift coefficients using an oscillating jet;
振荡射流提高风力机叶型升力的实验研究
2.
The oscillating jet whose mean mass flux is zero is added at the loading edge of the suction surface of wind turbine blade airfoil in this experiment.
本实验在风力机叶片叶型表面头部加入平均质量流量为零的一定频率的振荡射流。
3.
The paper presents some experiments of the control of flow separation from two different wind turbine blade airfoils solid surface by oscillating jet.
本文针对某水平轴风力机叶片不同叶高分布的两种叶型,在头部不同位置加入不同频率和动量的振荡射流进行对比实验研究,得到不同情况下叶型的表面压力分布。
3) oscillating excitation
振荡射流
1.
Numerical simulation of oscillating excitation separation flow control over airfoils;
振荡射流控制翼型流动分离的数值模拟
2.
In order to investigate airfoil aerodynamic performances improved by oscillating excitation at large attack angles, wind tunnel experiments with the airfoil of NACA0015 have been carried out under different conditions.
本文针对采用振荡射流控制流动分离改善大攻角下翼型气动特性的问题,在NACA0015翼型上进行了多种工况的风洞实验。
3.
The lift-increase mechanism by the oscillating excitation has been investigated.
本文数值模拟了施加振荡射流以及相应定常吸气条件下的翼型分离流动。
4) flow oscillation
流量振荡
1.
Static flow instability induced dynamic flow oscillation in natural circulation;
自然循环静态流量漂移诱发动态流量振荡研究
5) Oscillating jet method
振荡射流法
1.
The methods were capillary rise method,maximum bubble pressure method,Wilhelmy plate /Du Nouy ring method,drop weight/drop volume method,oscillating jet method,spinning drop method and pendent drop method.
介绍了常见的几种测定表面张力的方法,包括毛细管上升法、最大气泡压力法、吊环法/吊片法、滴重法/滴体积法、振荡射流法、旋滴法和悬滴法,着重介绍了悬滴法用轴称滴形分析测定表面张力的进展。
补充资料:热声振荡液面计(thermalacousticoscillationlevelgauge)
热声振荡液面计(thermalacousticoscillationlevelgauge)
一根细金属管上部封闭,把它做成一喇叭口,口上蒙一橡胶薄膜(或金属薄膜),另一端开口。当上端处于室温,下端接近低温液体时,由于低温气体不断进入开口的管子向上运动到热端,受热膨胀而形成纵向的振荡称之为热声振荡,在开口端经过低温液体时,可在喇叭口的振荡膜上感受到振荡有一个突变,用它可以测得液氢或液氦的液面高度。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条