n.風速儀

Hot-wire anemoscope was used to measure the velocity and the turbulence intensity of a synthetic jet activated by piezoelectric actuator with a two-dimensional slot nozzle. 利用熱線風速儀測量了二維狹縫自耦合射流的速度和湍流度變化,獲得了激發(fā)器輸入電壓、頻率對自耦合射流的影響規(guī)律,獲得了激發(fā)器的最佳激勵電壓和頻率值;

Keywords Laser doppler anemometry Wind tunnel of low velocity Anemoscope; 激光多普勒測速;低速風洞;吸煙機風速儀;計量;