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THE APPLICATION OF LASERS IN MEASUREMENT OF FLUID FLOW THROUGH DRILLING BIT NOZZLES

机译:激光在钻头喷嘴流场测量中的应用

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Two optical methods based on laser and video technology and digital signal and image processing techniques - Laser Doppler velocimetry (LDV) and Particle image velocimetry (PIV) were applied in highly accurate fluid flow measurement....
机译:基于激光和视频技术以及数字信号和图像处理技术的两种光学方法-激光多普勒测速仪(LDV)和粒子图像测速仪(PIV)被用于高精度流体流量测量...。

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