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 |