Image-Processing-Based Study of the Interfacial Behavior of the Countercurrent Gas-Liquid Two-Phase Flow in a Hot Leg of a PWR

Figure 5

Detected water level and boundaries of the hot leg channel (steam-water).

(a) Example of an original image of steam-water

(b) Image processing, contrast enhancement, and binarization of the horizontal section for the steam-water data

(c) Image processing, contrast enhancement, and binarization of the inclined section for the steam-water data

(d) Image processing, contrast enhancement, and binarization of the steam generator section for the steam-water data