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。
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。
The flow field in the swirl chamber of a motored diesel engine was measured by Laser Doppler Anemometry (LDA).
本文报导了采用激光技术对柴油机涡流室内流场进行实测的结果。
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。
Laser phase Doppler anemometry (PDA) technology can be used to measure moving particle's velocity, size and relative refractive index simultaneously.
激光相位多普勒(PDA)能够同时测量粒子的速度、大小和相对折射率。
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。
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。
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。
应用推荐