Effectiveness for cross-flow heat exchanger with both fluids unmixed

NTU Capacity rate ratio, Cmin/Cmax

0

0.25

0.50

0.75

1.00

0

0

0

0

0

0

0.25

0.221

0.215

0.208

0.204

0.199

0.50

0.393

0.376

0.357

0.341

0.327

0.75

0.528

0.495

0.467

0.437

0.412

1.00

0.632

0.587

0.546

0.511

0.477

1.25

0.713

0.659

0.610

0.565

0.522

1.50

0.777

0.715

0.657

0.606

0.560

1.75

0.826

0.760

0.700

0.643

0.590

2.00

0.865

0.797

0.732

0.671

0.613

2.50

0.918

0.851

0.782

0.715

0.652

3.00

0.950

0.888

0.819

0.750

0.680

3.50

0.970

0.920

0.848

0.775

0.703

4.00

0.982

0.930

0.870

0.800

0.722

4.50

0.989

0.946

0.888

0.815

0.737

5.00

0.993

0.959

0.900

0.830

0.750

¥

1

1

1

1

1