Details

Autor(en) / Beteiligte

• Furuya, Masahiro
• Kanai, Taizo
• Arai, Takahiro
• Takiguchi, Hiroki
• Prasser, Horst-Michael
• Hampel, Uwe
• Schleicher, Eckhard

Titel

Three-dimensional velocity vector determination algorithm for individual bubble identified with Wire-Mesh Sensors

Ist Teil von

• Nuclear engineering and design, 2018-09, Vol.336, p.74-79

Ort / Verlag

Amsterdam: Elsevier B.V

Erscheinungsjahr

2018

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• The bubble pairing scheme was devised to quantify three-dimensional velocity of each bubble. We used two sets of Wire-Mesh Sensors to identify locations of each bubble according to bubble identification algorithm, which was developed by HZDR. The devised scheme was applied to the vertical upward air-water flow at 0.64m/s for both air and water superficial velocities in a large diameter pipe (i.d. 224mm). The bubble pairing scheme visualized the developing process of two-phase flow: large bubbles coalesced with each other to move toward the center, while the rest of bubbles broke up into smaller bubbles and decelerated.