Studying Disturbance Wave Velocity and Wall Shear Stress of Vertical Upward Annular Flow in Narrow Rectangular Channel

<div>PCB liquid film sensor. (a) Photograph of the PCB liquid film sensor. (b) Calibration curve of the liquid film sensor.</div>

Science and Technology of Nuclear Installations

Figure 2: Studying Disturbance Wave Velocity and Wall Shear Stress of Vertical Upward Annular Flow in Narrow Rectangular Channel 