anemometry

1. The axial velocity and stagnation point offset of two opposed jets coming from two asymmetric nozzles oppositely located with large separation distance were studied by using hot-wire anemometry ( HWA).
   采用热线风速仪对大喷嘴间距下两不对称喷嘴形成的对置撞击流的轴线速度分布和驻点偏移规律进行了实验研究。
2. The measurement technique of constant temperature anemometry was used to study experimentally the mechanism of drag reduction in turbulent boundary layer with riblet surface.
   应用热线测速技术，对沟槽壁面平板湍流边界层的减阻机理进行了实验研究。
3. Exterior flow field measurement above smooth and different riblet surfaces was carried out in a low speed wind tunnel by means of hot-wire anemometry.
   利用热线风速仪，对光滑表面和多个脊状表面在低速风洞中进行了表面流场测试。
4. Coupled with the 3 beam laser Doppler anemometry ( LDA), the amendment of the measuring parameters in different media was discussed in theory. And the amendatory formulas were achieved. With the formulas, the parameters both in air and in water were obtained and compared.
   结合三光束激光多普勒测速仪，从理论上分析了在不同介质中测量参数的修正，推导出LDA在不同介质中的参数修正公式。
5. In commercial applications of phase Doppler anemometry ( PDA), the effectiveness of non sphericity of particles is present and the response of PDA system deviates from the theoretical prediction.
   激光相位多普勒技术（PDA）是目前公认有效的多参数粒子测量技术之一，但是PDA对粒子的非球形特性极为敏感。
6. Laser Doppler Anemometry ( LDA) is a non-contact optical method for measuring flow velocity.
   激光多普勒测速技术（LDA），是一种流体速度的无接触式光学测量方法。
7. Investigation on Two-dimensional Counting and Tracking Laser Doppler Anemometry
   二维计数跟踪型激光多普勒测速研究
8. Compared with traditional contact flow measurement methods, presents the non-contact flow measurement methods, and emphases the application of laser Doppler anemometry ( LDA) and particle image velocimetry ( PIV) to flow field measurement.
   与传统接触式流量测试方法相比较，介绍了非接触式流量测试方法，重点介绍了激光多普勒技术（LDA）和粒子图像测试技术（PIV）在流场测试中运用的原理。
9. This paper introduces a determination of an air-solid two-phase flow in a horizontal pipe of circle by two-color laser-doppler anemometry and results are discussed in detail.
   本文介绍应用双色激光多普勒测速仪（LDA），测定水平圆管内气固两相流的方法，并对试验结果进行了详细讨论。
10. For improving signal processing speed in Laser Doppler Anemometry ( LDA) system to obtain higher measure precision and real-time detection, a LDA signal processor using DSP as spectrum-analyzing processor was described based on hardware frame, transmission strategy and trial results.
    为了提高激光测速系统中信号处理速度，获取更高的测量精度和实时检测能力，本文从硬件结构、传输策略和试验结果入手，提出了利用DSP芯片作为频率分析处理器的多普勒测速系统。
11. In addition, in order to measure the velocity of water waves, a new type LDA named Optic Electric Modulation Feedback-Laser Doppler Anemometry ( OEMF-LDA) is developed.
    此外，作者采用了光电调制反馈原理将一维多普勒测速仪进行了改造，形成了一新的光电调制反馈激光多普勒测速系统（OEMF&LDA），使之能对波浪场的瞬间流速及其相位进行同步测量。
12. In this paper, the velocity profile of oil water stratified flow is studied, which focused on the laser Doppler anemometry ( LDA) measurement.
    从LDA实测入手，研究了油水分层流流动速度分布问题。
13. The in cylinder turbulence is measured under the condition of a motored engine by using a hot wire anemometry.
    缸内紊流测量是用热线风速仪在倒拖发动机试验台上进行的。
14. Investigation of Acousto-optic Scanning Laser Anemometry
    声光扫描激光测速研究
15. Spectrum-analyzing laser Doppler anemometry signal processor based on DSP
    基于DSP的频谱分析型激光多普勒信号处理器的研究
16. This system focused on the anemometry at low velocity range.
    该系统主要作用是针对低流速环境中的流速测定。
17. Based on the data of anemometry experiment along the railway in Xinjiang, studied the feasibility of the safe railage in fresh gale weather and concluded the effect on preventing whole gale of windbreak and the range of defilade. It will profit to improve the efficiency of railage.
    通过分析铁路测风试验的结果，研究大风天气条件下，铁路安全运输的可行性和挡风墙的防风效果及有效遮蔽区的范围，进一步提高铁路运输效率。
18. Effect of Photo-Detector Parameters on the Characteristics of Phase-Doppler Sizing Anemometry
    光检测器参数对相位-多普勒粒子分析系统特性的影响
19. Research on Phase Doppler Anemometry and It's High Speed Signal Processor
    激光相位多普勒（PDA）超高速信号处理器的研制
20. Steady Flow Anemometry Measurements at a Valve Exit from a Tangential Intake Port
    切向气道进气门出口稳态流动特性的试验研究
21. Application of laser anemometry to flow measurement inside of gas turbine combustor
    LDA在燃气轮机燃烧室流场测量中的应用
22. Hot wire anemometry was used to measure the instantaneous flow velocities at the plane of 10D downstream of the main cylinders, and the mean velocity profile and Reynolds stress distributions were obtained.
    采用热线风速仪测量了并列双圆柱下游10倍直径处截面上的瞬时速度，得到了平均速度剖面和雷诺应力分布，同时测量了并列双圆柱的表面压力分布。
23. In addition, we studied it through a series of flume experiments. The velocity distribution and the thickness are measured by a new type LDA named Optic Electric Modulation Feedback-Laser Doppler Anemometry System ( OEMF-LDA).
    通过水槽实验，包括利用光电调制反馈激光多普勒测速系统（OEMF&LDA），对波浪断面流速分布及边界层厚度进行了量测，获得了大量资料，利用这些资料与作者公式进行比较。
24. The light scattering characteristics of particles in phase Doppler sizing anemometry is calculated with a theoretical model based on geometrical optics approach.
    应用几何光学近似理论模型计算了激光相位多普勒系统中微粒的光散射特性。
25. In this paper, the measurement of constant temperature anemometry is used to do experimental study on turbulent multi-scale coherent structure and the mechanism of drag reduction in turbulent boundary layer with riblet surface under several free stream velocities without pressure gradient.
    本文应用热线测速技术，在零压梯度下，对低速风洞中不同来流速度条件下沟槽板壁面湍流边界层湍流多尺度相干结构及减阻机理进行了实验研究。
26. In this paper, the technique of constant temperature anemometry, together with double-hot-wire-sensor probe, is used to carry out experimental study on the turbulent boundary layer, which is controlled by periodic blow-suction disturbance in the low turbulent level wind channel.
    本文应用热线测速技术，对风洞中平板湍流边界层壁面施加周期性吹吸扰动进行了试验研究。

noun

1. measuring wind speed and direction