1. Introduction

4. GENERAL METHODS OF CALCULATION OF HEAT EXCHANGERS

4.2. Method ε-NTU

4.2.1. Graphs of method ε-NTU for different equipment

The following are the graphs of the E-NTU method for different equipment or different configurations (η = ε, i NT = NTU ):

a) Heat exchanger 1-1 (counter).

b) Heat exchanger 1-1 (parallel).

c) Cross flow heat exchanger multitube 1-1. Fluid external mixed.

d) Cross flow heat exchanger multitube 1-1. Both fluids without mixing.

e) Heat exchanger multitube 1-2, 1-4, 1-6,...

f) Heat exchanger multitube 2-4, 2-8, 2-12,...

g) Heat exchanger multitube 3-6, 3-12, 3-18,...

h) Heat exchanger multitube 4-8, 4-16, 4-24,...

2. Configurations of heat exchangers
3. Calculation of concentric tubes heat exchangers
4. General methods of calculation of heat exchangers
  4.1. Method of factor F
  4.2. Method ε-NTU
  4.2.1. Graphs of method ε-NTU for different equipment
    4.2.2. Example 1
    4.2.3. Example 2

5. Test

6. Nomenclature
7. References

© UPC. Universitat Politécnica de Catalunya. EPSEM