Table 7 Effect of Ri, Da and A on the entropy parameters for Case 1.

From: MHD mixed convection and entropy generation of CNT-water nanofluid in a wavy lid-driven porous enclosure at different boundary conditions

Ri

Da = 1e−1

Da = 1e−2

Da = 1e−3

Da = 1e−5

SGE

SgeT

Be

SGE

SgeT

Be

SGE

SgeT

Be

SGE

SgeT

Be

Re = 100, Q = 5, φ = 0.02, Ha = 20, γ = 45, A = 0.25, N = 3

0.01

6.7094

6.5883

 

6.3284

6.3158

 

5.0285

5.0268

 

2.2644

2.2642

 

0.1

6.7857

6.6647

 

6.4044

6.3917

 

5.0864

5.0847

 

2.2654

2.2653

 

1

7.4684

7.3473

 

7.0850

7.0723

 

5.6310

5.6293

 

2.2763

2.2762

 

10

10.804

10.682

 

10.483

10.471

 

8.9353

8.9335

 

2.3919

2.3917

 

100

17.401

17.255

 

17.160

17.145

 

16.072

16.069

 

3.7304

3.7303

 

at (Re = 100, λ = 5, φ = 0.02, Ha = 20, γ = 45, N = 3, A = 0.15)

0.001

5.2421

5.1636

 

4.8886

4.8803

 

3.8389

3.8378

 

1.7737

1.7736

 

0.01

5.3642

5.2856

 

5.0098

5.0016

 

3.9210

3.9199

 

1.7749

1.7748

 

0.1

6.3640

6.2854

 

6.0110

6.0027

 

4.6718

4.6707

 

1.7872

1.7871

 

1

10.168

10.088

 

9.9285

9.9201

 

8.5291

8.5280

 

1.9207

1.9207

 

10

16.659

16.558

 

16.470

16.460

 

15.500

15.498

 

3.4132

3.4132

 

at (Re = 100, λ = 5, φ = 0.02, Ha = 20, γ = 45, N = 3, A = 0.05)

0.001

4.1412

4.1020

 

3.8612

3.8570

 

3.0882

3.0876

 

1.5434

1.5433

 

0.01

4.3148

4.2756

 

4.0309

4.0267

 

3.1878

3.1872

 

1.5445

1.5444

 

0.1

5.6016

5.5624

 

5.3140

5.3097

 

4.0856

4. 0849

 

1.5558

1.5558

 

1

9.5730

9.5325

 

9.4076

9.4032

 

8.1737

8.1730

 

1.6836

1.6835

 

10

15.506

15.447

 

15.374

15.367

 

14.584

14.583

 

3.1728

3.1727