Handbook for Heat Exchangers and Tube Banks design (eBook)

Preface 5
Notation 6
Contents 8
Chapter1 Introduction to Computation 10
1.1 General Considerations 10
1.2 Mean Isobaric Specific Heat 12
1.2.1 Water and Superheated Steam 13
1.2.2 Air and Other Gases 13
Chapter2 Design Computation 15
2.1 Introduction 15
2.2 Fluids in Parallel Flow or in Counter Flow 16
2.3 The Mean Difference in Temperature in Reality 20
2.3.1 Fluids in Cross Flow 22
2.3.2 Heat Exchangers 23
2.3.2.1 Heat Exchangers with Two Passages of the Internal Fluid 23
2.3.2.2 Heat Exchangers with Three Passages of the Internal Fluid 25
2.3.2.3 Heat Exchangers with Four Passages of the Internal Fluid 26
2.3.3 Coils 27
2.3.3.1 Coils with Fluids in Parallel Flow 28
2.3.3.2 Coils with Fluids in Counter Flow 29
2.3.4 Tube Banks with Various Passages of the External Fluid 29
2.3.4.1 Tube Banks with Fluids in Parallel Flow 31
2.3.4.2 Tube Banks with Fluids in Counter Flow 31
Chapter3 Verification Computation 32
3.1 Introduction 32
3.2 Fluids in Parallel Flow or in Counter Flow 32
3.3 Factor in Real Cases 40
3.3.1 Fluids with Cross Flow 40
3.3.2 Heat Exchangers 41
3.3.2.1 Heat Exchangers with Two Passages of the Internal Fluid 41
3.3.2.2 Heat Exchangers with Three Passages of the Internal Fluid 41
3.3.2.3 Heat Exchangers with Four Passages of the Internal Fluid 42
3.3.3 Coils 42
3.3.3.1 Coils with Fluids in Parallel Flow 43
3.3.3.2 Coils with Fluids in Counter Flow 43
3.3.4 Tube Bank with Various Passages of the External Fluid 44
3.3.4.1 Tube Banks with Fluids in Parallel Flow 44
3.3.4.2 Tube Banks with Fluids in Counter Flow 44
Appendix A Corrective Factors for Design Computation 46
A.1Fluids in Cross Flow 46
A.2Heat Exchangers 49
A.2.1 Heat Exchangers with 2 Passages of Internal Fluid (Fig. 2.5) 49
A.2.2 Heat Exchangers with 3 Passages of Internal Fluid (Fig. 2.6) 65
A.2.3 Heat Exchangers with 4 Passages of Internal Fluid (Fig. 2.7) 81
A.3Coils 91
A.3.1 Coils with Fluids in Parallel Flow (Fig. 2.8) 91
A.3.2 Coils with Fluids in Counter Flow (Fig. 2.9) 97
A.4Tube Banks with Several Passages of External Fluid 107
A.4.1 Tube Banks with Fluids in Parallel Flow (Fig. 2.10) 107
A.4.2 Tube Banks with Fluids in Counter Flow (Fig. 2.11) 111
Appendix B Factor or Corrective Factors for Verification Computation 117
B.1Fluids in Parallel Flow or Counter Flow 118
B.2Fluids in Cross Flow 124
B.3Heat Exchangers 127
B.3.1 Heat Exchangers with Two Passages of Internal Fluid (Fig. 2.5) 127
B.3.2 Heat Exchangers with Three Passages of Internal Fluid (Fig. 2.6) 143
B.3.3 Heat Exchangers with Four Passages of Internal Fluid (Fig. 2.7) 159
B.4 Coils 169
B.4.1 Coils with Fluids in Parallel Flow (Fig. 2.8) 169
B.4.2 Coils with Fluids in Counter Flow (Fig. 2.9) 171
5.4 Tube Banks with Several Passages of External Fluid 176
B.5.1 Tube Banks with Fluids in Parallel Flow (Fig. 2.10) 176
B.5.2 Tube Banks with Fluids in Counter Flow (Fig. 2.11) 179