Channel type

CFD code (CFX 14)

Sub-channel approach

Relative difference (v1 − v1s)/v1s [%]

1-corner

v1s = 7.11

v1 = 7.3

2.6%

2-side

v2s = 9.67

v2 = 9.36

−3.1%

3-central

v3s = 13.54

v3 = 13.99

3.3%