Table 2 Comparison of \(\left( {{\text{Re}}_{x} } \right)^{\frac{1}{2}} C_{f}\) for several values of needle size \(a\) when \(\Pr = 1\) and the rest of all comprising parameters are absent.

From: Forced convection flow of water conveying AA7072 and AA7075 alloys-nanomaterials on variable thickness object experiencing Dufour and Soret effects

\(a\)

Khan et al.36

Soid et al.43

Salleh et al.44

Ishak et al.45

Waini et al.46

Current Outcomes

0.01

8.4921

8.491454

8.4924453

8.4924

8.491455

8.4920683

0.1

1.2889

1.288778

1.2888300

1.2888

1.288778

1.2888757

0.15

0.9385

–

0.9383388

–

–

0.9384789

0.2

0.7517

0.751665

0.7515725

–

0.751665

0.7516956