MassFLOW-3DTM as a simulation tool for turbidity currents: some preliminary results - From Depositional Systems to Sedimentary Successions on the Norwegian Continental Margin - page 589

Table 1. (A) Case study I-a. Summary of the performed CFD simulations of Run 15 in the laboratory experimental study.
(B) Case Study I-b-c. Summary of the performed CFD simulations of Run 36 in the laboratory experimental study; one grain
size. The irst ive rows refer to a mono disperse mixture d50 = 50 µm; the last four rows to a bi-disperse mixture d50 = 50 µm
and d50 = 144 µm).

A

Bedload
coefficient

Entrainment
coefficient

Turbulence Mixing
Length (m)

Angle of
Repose (deg) Roughness (mm)

Run15a 8 0.018 0.0025 25 0.165

Run15b 8 0.018 0.0025 25 0

Run15c 0 0.018 0.0025 25 0.165

Run15d 4 0.018 0.0015 25 0.165

Run15e 12 0.018 0.0015 25 0.165

Run15f 8 0.01 0.0025 25 0.165

Run15g 8 0.025 0.0015 25 0.165

Run15h 8 0.018 0.0015 25 0.165

Run15i 8 0.018 dynamically

computed

25 0.165

Run15j 8 0.018 0.0025 12 0.165

B

Bedload
coefficient

Entrainment
coefficient

Turbulence mixing
length (m)

Angle of
repose (deg) Roughness (mm)

36a 8 0.018 0.002 25 0.144

36b 5 0.018 0.0025 25 0.144

36c 1 0.018 0.003 25 0.144

36d 0.2 0.018 0.0025 25 0.144

36e 0.01 0.018 0.0025 25 0.144

36
2 grains a 8 0.018 0.001 25 0.144

36
2 grains b 8 0.018 0.0015 25 0.144

36
2 grains c 8 0.018 0.002 25 0.144

36
2 grains d 8 0.018 0.001 25 0.25

Discharge meter

Inlet chamber

Free expansion tank
3 × 2 × 1.8 m

D

Mixing
tank

Gradual expansion

1 m 3

25°

UVP-probe

45°

0.5 m

Pump

Fig. 1. Sketch for the experimental set-up used for the high concentration turbidity currents experiments.