Table 4 Results validation with experimental study and current study for Nusselt number.

From: Estimation of heat transfer coefficient and friction factor with showering of aluminum nitride and alumina water based hybrid nanofluid in a tube with twisted tape insert

Reynolds Numbers

Experimental

Numerical

For PR = 5

Manglik and Bergles21

Present study

Nusselt Number

Nusselt Number

Error %

800

24.69026549

22.6494

8.265870968

1200

33.71681416

34.0698

1.046913386

1600

41.81415929

39.5733

5.359092063

2000

49.77876106

44.437

10.73100444

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