激光测速仪 meaning in English
ldv
pdpa
Examples
- The typical velocity field and the pressure on the step surface of the stepped spillway are measured using the laser doppler anemometer and the piezometer tube respectively
采用多普勒激光测速仪和测压管分别对阶梯溢流坝面典型速度场和阶梯表面压力进行详细测量。 - Existing calibration methods of laser speedometer are summed up and one new calibration method and instrument with simulant target is put forward in this paper
摘要综述了激光测速仪的现有校准方法，提出了采用模拟目标进行激光测速仪校准的新方法，并根据该原理研建了校准装置。 - Comparison analysis and experiments show that the calibration instrument can meet the need of laser speedometer calibration because of its wide calibration range , high repeatability and universal performance
经各种校准方法的比较分析和校准试验验证，说明装置校准范围宽、重复性好、通用性好，可以满足激光测速仪的校准需求。 - The velocity profiles along the channel section are measured using the laser doppler anemometer . according to the velocity distribution , boundary shear and the coefficient of friction between the flow and rubber panel , is determined
采用多普勒激光测速仪对过流断面的流速分布进行了测量，并根据流速分布推求出坝面上橡胶板所受的水流剪应力，和水流对橡胶板的摩阻系数。 - The turbulent flow in open channel is tested with laser - doppler anemometer , in which the longitudinal time average velocity and fluctuating velocity of turbulent flow in open channel under the conditions of the sudden changes of roughnesses at different water depths are measured
摘要通过激光测速仪，对壁面糙率突变时的明渠紊流进行试验，测量了糙率突变不同水深情况下明渠紊流的纵向时均流速和脉动流速。