Table 2 Code authentication with Ghasemi et al.60 using of average Nusselt number when n = 3, Pr = 6.8377, and Ha = 30 for Al2O3–H2O nanofluid.

From: Heat generation/absorption effect on natural convective heat transfer in a wavy triangular cavity filled with nanofluid

 

Average Nusselt number (Nuav)

ϕ = 0

ϕ = 0.02

ϕ = 0.04

Ghasemi et al.60

Present study

Relative error (%)

Ghasemi et al.60

Present study

Relative error (%)

Ghasemi et al.60

Present study

Relative error (%)

103

1.002

1.002

0

1.060

1.072

1.13

1.121

1.121

0

104

1.183

1.182

0.08

1.212

1.235

1.90

1.249

1.269

1.60

105

3.150

3.138

0.38

3.138

3.201

2.01

3.124

3.216

2.94

106

7.907

7.815

1.16

7.979

8.018

0.49

8.042

8.087

0.56