Table 2 The percentage variation of Nusselt number.

From: Scientific investigation of a fractional model based on hybrid nanofluids with heat generation and porous medium: applications in the drilling process

\(\phi_{s1} + \phi_{s2}\)

Nu

%age

0

0.27

 

0.01

0.294

8.888889

0.02

0.319

18.14815

0.03

0.344

27.40741

0.04

0.371

37.40741

Different fluids

Nu

%age

Water

0.27

0

Gr

0.313

15.92593

Al2O3

0.321

18.88889

Gr-Al2O3

0.371

37.40741

Shape, m

Nu

%age

Bricks, 3.9

0.287

0

Cylinders, 4.9

0.296

3.135889

Platelets, 5.7

0.303

5.574913

Blades, 8.6

0.319

11.14983

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