Authors

Average Nusselt number

Ra = 10

Ra = 100

Ra = 1000

Manole and Lage (1999) [15]

-

3.118

13.637

Bejan (1979) [17]

-

4.2

15.8

Baytas and Pop (2002) [12]

1.079

3.16

14.06

Present study

1.0766

3.157

15.88