D50 (mm) Kinematic viscosity Specific gravity of water m2/s of sediment 0.2 1*101-6 2.65 Discharge Slope of the Flume Mean velocity Shear stress...
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Lab experiment of Motion of Bed Material

lab 2.jpg

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Looking at the lab session results on the table, Rep would be required to be used for the modified Shields diagram.

Please ignore the current value on the table for Rep.

my question how to get the value of Rep?

lab 2.jpg

D50 (mm)
Kinematic viscosity Specific gravity
of water m2/s
of sediment
0.2
1*101-6
2.65
Discharge Slope of the Flume
Mean velocity Shear stress
Dimensionless Particle Reynolds Weight of
Water Depth y
shear stress
Number
sediment
Time for sediment
Rate of sediment
Comment on
Q
transport
I*
Rep
caught
to be caught
Qs
sediment motion
log V
logQs
m3/s
m
m/s
N/m2
kg
S
kg/s
0.001
0
0.027
0.468823254
0
0
11.37945517
No mosion
-0.32899 #NUM!
0.001
0.5
0.024
0.52742616 73.2274016
0.0226199
11.37945517
No mosion
-0.27784 #NUM!
0.001
1
0.022
0.575373993 138.616098
0.042818428
11.37945517
0.791139241 167.565405
11.37945517
o o o
No mosion
-0.24005 #NUM!
0.001
1.5
0.016
0.051760852
Inception motion
-0.10175 #NUM!
0.001
2.5
0.009
1.406469761 179.765722
0.055529522
11.37945517
0.00425
120
0.00004
0.14813 -4.45079
0.001
3.5
0.008
1.582278481 228.418105
0.070558214
11.37945517
0.01343
60
0.00022
0.199283 -3.65008
0.001
4.5
0.006
2.109704641 229.942088
0.071028971
11.37945517
0.02783
20
0.00139
0.324222 -2.85652
0.001
5.5
0.006
2.109704641
281.04033
0.086813187
11.37945517
0.08483
10
0.00848
0.324222 -2.07145

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