2) laser-Doppler anemometry
激光多普勒风速测定法
3) laser doppler velocimetry
激光多普勒流速测定法
4) laser Doppler velocimetry
多普勒激光测速法
5) laser Doppler velocimetry(LDV)
激光多普勒测速法
1.
By using the laser Doppler velocimetry(LDV) system consisting of He-Ne laser,the velocity of in-cylinder working gas produced by a four-stroke,single-cylinder test engine operated at the speed of 600r/min was measured and its data was processed.
通过由He-Ne激光器组成的激光多普勒测速法(LDV)系统,对转速为600 r/min时单缸四冲程试验发动机气缸内工作气体进行速度测量及数据处理,分析其分布状态。
6) LDV
激光多普勒测速
1.
The measurements of turbulence features was made near the inlet ports of a loop scavenging two stroke diesel engine under the conditions of steady flows with two dimensional LDV.
:利用二维激光多普勒测速仪 ,在稳流试验台上 ,对 1 E1 50柴油机扫气口附近横剖面上稳态回流扫气的湍流特性进行了测试。
2.
The fluid flow and level fluctuation in the water modeling were investigated by Laser Doppler Velocimeter(LDV),level sensor and CFD methods.
利用激光多普勒测速仪、浪高仪等设备及计算流体力学方法研究了板坯连铸结晶器水模型内流体的流动形态和液面的波动状况。
补充资料：多普勒超声法
多普勒超声法
为超声诊断方法的一种。由双片探头接受连续超声回声，转成电信号，经低频放大后作监听用；亦可外接示波器，供波形观察及摄影；接心电图记录仪，则可摘记下信号的包络曲线。另外，还可用以探测胎动、胎盘杂音和脐带杂音。常用的多普勒超声诊断仪可探测胎心，较胎心听筒可更早听到胎心，一般于妊娠12周以后即可探测到。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条