Boundary layer visualization test device base on hydrogen bubble flow visualization technology

The utility model aims to provide a boundary layer visualization test device base on hydrogen bubble flow visualization technology. The boundary layer visualizing test device base on hydrogen bubble flow visualization technology includes a hydrogen bubble control circuit, a water circulation loop, a platinum filament height adjusting device and an image collecting device. The hydrogen bubble control circuit includes a function generator, an adjustable resistor, a triode, a relay, a DC adjustable voltage-stabilizing power source, an oscilloscope, a carbon rod and a platinum filament. The water circulation loop includes a water tank, a circulation water pump, a filter, a turbine flowmeter and a testing segment. The platinum filament height adjusting device includes a micrometer, a base, a probe and a lead screw. The image collecting device includes a cold light source and a high speed camera. The boundary layer visualization test device base on hydrogen bubble flow visualization technology in the utility model