Table 5 Numerical values of Nusselt number for various parameters, whereas Pr = 6–2, Tr = 1–7, Rd = 0–3, A = 0–8.

From: Unsteady hybrid-nanofluid flow comprising ferrousoxide and CNTs through porous horizontal channel with dilating/squeezing walls

φ1

M

R

α

Fe2O3SWCNT

Fe2O3MWCNT

Fe2O3H2O

Cflower

Cfupper

Cflower

Cfupper

Cflower

Cfupper

0.1

0.3

15

0.5

2.146041

− 0.11815

2.080629

− 0.11912

1.998022

− 0.11715

0.1

   

2.172904

− 0.11896

2.108687

− 0.11991

2.028288

− 0.11788

0.1

   

2.194436

− 0.11964

2.131503

− 0.12056

2.053399

− 0.11848

0.1

   

2.210723

− 0.12019

2.149154

− 0.12108

2.073417

− 0.11895

 

0.5

  

2.062765

− 0.13202

1.999258

− 0.13345

1.928057

− 0.12972

 

0.6

  

2.026771

− 0.13906

1.964293

− 0.14071

1.897441

− 0.13608

 

0.7

  

1.994158

− 0.14614

1.93274

− 0.14802

1.869464

− 0.14248

  

10

 

1.494505

− 0.11948

1.451504

− 0.12059

1.395284

− 0.11896

  

12

 

1.755221

− 0.11878

1.703257

− 0.11982

1.636457

− 0.11802

  

14

 

2.015795

− 0.11832

1.954867

− 0.11931

1.877523

− 0.11739

   

0.7

2.136697

− 0.11551

2.071516

− 0.11648

1.989586

− 0.11454

   

0.9

2.127332

− 0.11293

2.062385

− 0.11389

1.981137

− 0.11198

   

1.1

2.117944

− 0.11039

2.053235

− 0.11135

1.972672

− 0.10948