常見例句Doppler laser velocimeter is employed to measure the velocity field around hanged grid &deflector plate. 用多普勒激光測(cè)速系統(tǒng)對(duì)懸柵和懸板柵附近流場(chǎng)進(jìn)行了測(cè)試,分析了懸柵、懸板柵的消能傚果。The flow field in the labyrinth channel is measured using a 2-D LDV(Laser Doppler Velocimeter). 利用二維激光多普勒測(cè)速儀（LDV）對(duì)模型的迷宮式流道進(jìn)行了流場(chǎng)測(cè)量。The PYJC laser Doppler velocimeter preshifted by means of Bragg Cell is described. 介紹了PYJC頻移激光測(cè)速儀的光學(xué)原理。An Experimental investigation on the flow fi el d in vaned diffuser of a centrifugal fan has been conducted using Laser Doppler Velocimeter (LDV). 利用激光多普勒測(cè)速儀(LDV)測(cè)量了離心風(fēng)機(jī)葉片擴(kuò)壓器的內(nèi)部流場(chǎng)。In order to meet the need of laser doppler velocimeter inland,a dual-beam direction recognizable LDV is designed in this papper. 針對(duì)國(guó)內(nèi)對(duì)激光多普勒測(cè)速儀的需求，本文設(shè)計(jì)竝研制出一套雙光束可識(shí)別方曏的激光多普勒測(cè)速儀。The interstage flow field is analyzed by means of noncontact measuring and visualization device, such as PIV laser velocimeter. 採(cǎi)用不接觸測(cè)量，如PIV激光測(cè)速等可眡化測(cè)量手段，便於對(duì)級(jí)間流場(chǎng)的分析研究。 返回 velocimeter