Nu. Variant 4. Bottom

Bottom.  Vr.4.Nom.1

C-ex B=18...30

Gr=0...400

k=0.1...0.5

Gr^k=1...13

C=0.014...0.37

Nu=1.7...8

Bottom.  Vr.4.Nom.2

C-ex B=18...30 

Gr=40...120

k=0.1...0.5

Gr^k=1...10

C=0.014...0.17

Nu=0.8...4.2