A pulsed-wire velocity probe and measurement system is developed in this paper, which is used for measuring separated flows.
本文研制了脉冲热线空间速度探针及风速测量仪,并测量了轴对称体的尾缘回流区,揭示了流动结构与特征。
A pulsed wire velocity probe is developed, and it's structure and characteristics studied. An example for measurement of Reynolds stresses in highly turbulent flows is given.
本文研制了脉冲热线空间速度探针,对其空间结构及特性进行了分析,给出了测量雷诺应力的方法与应用实例。
Velocity and salinity(or density) differences between the wake area and non-wake area of a surface ship may be measured with an electric conductivity probe.
在舰船尾流区与非尾流区之间存在显著的速度差和盐度(或密度)差,利用电导率探头可获得对应于这些差别的尾流电导率信号。
This paper reveals that the group velocity of a weak laser probe field can be manipulated by controlling the intensity of the driving field applied to a near-degenerate closed three-level V system.
在近简并的封闭三能级V系统中,一束弱激光探测场的群速度可以通过控制一单色驱动场的强度实现慢光速到超光速的转换。
An advanced measuring system with tri fiber optical probe has been developed to measure two dimensional bubble velocity.
开发了一套新型的三探头单纤光导探针测量系统,用于测量二维气泡速度。
The effects of movement velocity of probe on the detecting signal are analyzed and researched based on theories and experiments. The results are very important to practical detection.
主要从理论和实验两个方面对涡流检测时的探头运动速度对检测信号的影响进行了分析和研究,研究的结果对实际的检测具有很重要的指导意义。
Pressure and velocity fields of spatial cross section on an aircraft model with strake wing and double vertical tails were measured using a seven hole probe.
采用七孔探针对一种边条翼双垂尾布局的飞机模型进行了空间压力场和速度场的测量。
AIM: to probe into the exactitude of color kinesis in assessing the systolic velocity of cardiac muscle.
探讨利用彩色室壁运动技术检测心内膜收缩速度进行心肌收缩速度评价的准确性。
In view of the velocity profile characters of the swirl jet and the response of the inclined single wire probe perpendicular to the main flow, the optimized data process is introduced.
针对射流流场的速度特征及单丝斜热线对垂直支杆来流的响应特性,提出了测量数据优化处理方法。
The theoretical solutions show a clear linear relationship between the flow induced potential produced on the probe electrodes and the approach velocity.
从理论解可以看出,探头电极间的感应电动势与来流速度之间呈明显的线性关系。
The well-logging probe digitally measures flow velocity, temperature and pressure of mud and memorizes those data in the memory of the probe.
下井仪器沿井深对泥浆流速、温度、压力进行数字化测量,并将测量数据存储在下井仪器内部的存储器中。
Objective To probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients.
目的探讨二尖瓣环收缩期峰值速度及收缩期位移评价扩张型心肌病患者左室收缩功能的价值。
The flow field in gas burner's outport is measured by the five-hole probe. Reasonable velocity information was obtained in the experiment and gained some experience in applying the five-hole probe.
使用五孔探针在模拟实验台上进行旋流燃烧器出口流场的测试,得到了较完整的旋流流场速度分布图,取得了一定的应用五孔探针进行复杂流场测试的经验。
In a steady flow experiment, measurements and data processing of 3-d flow velocity are made by hot-wire probe and flow visualization techniques.
作者在稳流实验中应用热线风速仪普通探针及流动可视化法完成了三维速度的测量及数据处理。
This indicates that the probe velocity is an important factor for inspection and must be considered in the design of RFEC probes and the processing of signals.
结果表明,检测探头的运动速度是探头设计及检测信号分析中应考虑的重要因素。
The velocity gradient, especially the perpendicular velocity gradient, leads the measuring error of flow angle with cylindrical probe to be larger than with conical multi-hole probe.
梯度使气流方向测量值向负梯度方向偏转。圆柱探针和锥形多孔探针相比,气流方向测量误差对速度梯度更敏感,纵向梯度对俯仰角测量值的影响尤其大。
Based on analyzing the influence of dynamic errors on measuring precision, space position of three axes, moving parameters of probe and measuring velocity also be acquired and analyzed.
在分析动态误差对测量精度的影响基础上,对三轴空间位置、测头运行参数、测量速度分别进行了定量数据采集和比较分析。
Aim: To probe the clinical value in the assessment of liver cirrhosis degree by arrival time of right portal vein with contrast-enhanced ultrasonography and velocity and flow volume with CDVP.
目的应用超声造影观察门静脉右支开始显影时间,以及彩色多普勒流速剖面技术检测门静脉右支血流速度和血流量,以探讨其在判断肝硬化程度中的临床价值。
With an improved Angle measuring method, the accuracy of SAW velocity measurement in a laser probe is improved.
本文改进了激光探针测速系统中的测角方法,提高了测量精度。
In this paper, a new method of measuring liquid three dimensional flow velocity by rotaining the probe in the plane was submitted basing elaborate analyzing of hot film anemometer.
本文针对热膜流速仪元件的工作原理提出了在平面旋转测量液体三维流速的方法,并测量了大型精馏塔板液相单相三维流场。
A five hole probe is used for measuring the tangential Angle of flow, axial velocity, static pressure of flow and swirl number in the flow sections of the conveying system.
应用五孔感头测定沿程截面内气流的切向角、轴向速度、气流静压和旋流数的分布。
One end of a probe telescopic rod is provided with an ultrasonic sensor, a flow velocity determinator, a pressure sensor and a vacuum piston water sample collector.
探头伸缩杆一端安有超声波传感器、流速测定仪、压力传感器和真空活塞水样采集器。
Abstract: This paper introduces an assembled hot-film probe applied on measuring the velocity of gas flow, which is based on the principle of transferring the heat.
摘要:文章介绍了一种用于测量风速的组合热膜探头,该探头以热传递原理为基础来测量气体流速。
Objective to probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients.
目的:通过超声心动图评价二尖瓣器形态改变与二尖瓣返流程度之间的关系及其临床意义。
Objective to probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients.
目的:通过超声心动图评价二尖瓣器形态改变与二尖瓣返流程度之间的关系及其临床意义。
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