Figure 6. Schematic of the large indoor flow loop (top) and a panoramic picture of the loop (bottom)

From

Numerical Simulation and Experiments of Barite Sag in Horizontal Annulus

Yahya Hashemian, Stefan Miska, Mengjiao Yu, Evren Ozbayoglu, Nicholas Takach

American Journal of Numerical Analysis. 2014, 2(1), 14-19 doi:10.12691/ajna-2-1-4