ASME PTB 7 2014
$98.04
ASME PTB-7 2014 Criteria for Shell-and-Tube Heat Exchangers According to Part UHX of ASME Section VIII-Division 1
| Published By | Publication Date | Number of Pages |
| ASME | 2014 | 394 |
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PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 11 | Foreword |
| 12 | Abbreviations and Acronyms |
| 15 | 1 SCOPE |
| 16 | 2 HISTORICAL BACKGROUND |
| 18 | 3 TYPES OF HEAT EXCHANGERS COVERED |
| 20 | 4 TYPES OF TS CONFIGURATIONS |
| 22 | 5 LOADING CASES |
| 23 | 6 STRUCTURE OF PART UHX |
| 24 | 7 STRUCTURE OF THE DOCUMENT |
| 25 | 8 NOTATIONS |
| 26 | References—Part 1 |
| 28 | 1 SCOPE (UHX-11.1) |
| 29 | 2 NOTATIONS |
| 30 | 3 DESIGN ASSUMPTIONS (UHX-11.2) |
| 31 | 4 LIGAMENT EFFICIENCIES (UHX-11.5.1) 4.1 Introduction |
| 32 | 4.2 Historical Background |
| 33 | 4.3 LE in Part UHX (UHX-11.5.1) |
| 38 | 5 EFFECTIVE ELASTIC CONSTANTS (UHX-11.5.2) 5.1 Introduction 5.2 Historical Background |
| 39 | 5.3 The Square Pattern Problem |
| 40 | 5.4 Synthesis of Results 5.5 Determination of EECs for the Full Range of μ* (0.1≤μ*≤1.0) |
| 41 | 5.6 Determination of EECs for the UHX Rules (UHX-11.5.2) 5.7 Conclusion |
| 45 | References—Part 2 |
| 47 | 1 SCOPE (UHX-13.1) |
| 48 | 2 HISTORICAL BACKGROUND |
| 49 | 3 GENERAL 3.1 TS Configurations (UHX-13.1) |
| 50 | 3.2 Notations (UHX-13.3) |
| 53 | 3.3 Loading Cases (UHX-13.4) |
| 54 | 3.4 Design Assumptions (UHX-13.2) |
| 55 | 3.5 Basis of Analytical Treatment 3.5.1 General |
| 56 | 3.5.2 Free Body Diagram |
| 58 | 4 AXIAL DISPLACEMENTS AND FORCES ACTING ON THE TUBES AND ON THE SHELL 4.1 Axial Displacement and Force Acting on the Tubes (Figure 18) |
| 59 | 4.2 Axial Displacement and Force Acting on the Shell |
| 61 | 5 DEFLECTION AND LOADS ACTING ON THE TUBESHEET 5.1 Equivalent Plate Resting on an Elastic Foundation |
| 64 | 5.2 Determination of Integration Constants A and B |
| 66 | 5.3 Deflection 5.4 Net Effective Pressure 5.5 Rotation |
| 67 | 5.6 Shear Force |
| 68 | 5.7 Bending Moment 5.8 Conclusion |
| 69 | 6 TREATMENT OF THE UNPERFORATED RIM 6.1 Edge Loads Applied on Shell and Channel at their Connection to the TS |
| 71 | 6.2 Equilibrium of the Unperforated Rim |
| 74 | 6.3 Edge Loads Va and Ma Applied to the Tubesheet |
| 77 | 7 EQUIVALENT PRESSURE ACTING ON TUBESHEET 7.1 Definition |
| 78 | 7.2 Determination of Pe |
| 81 | 8 STRESSES IN THE HEAT-EXCHANGER COMPONENTS 8.1 TS Net Effective Pressure 8.2 TS Axial Displacement |
| 82 | 8.3 TS Rotation 8.4 Stresses in the Tubesheet |
| 85 | 8.5 Axial Membrane Stress in Tubes |
| 87 | 8.6 Stresses in the Shell |
| 89 | 8.7 Stresses in the Channel |
| 91 | 9 DETERMINATION OF THE ALLOWABLE STRESS LIMITS 9.1 General Considerations |
| 92 | 9.2 Allowable Stress Limit in the Tubesheet 9.3 Allowable Stress Limit in the Tubes 9.4 Allowable Membrane Stress Limit in the Shell 9.5 Allowable Membrane + Bending Stress Limit in the Shell 9.6 Allowable Membrane + Bending Stress Limit in the Channel |
| 93 | 9.7 Conclusions |
| 94 | 10 ADDITIONAL RULES 10.1 Effect of Different Shell Thickness and Material Adjacent to the TS (UHX-13.6) |
| 95 | 10.2 Effect of Plasticity at Tubesheet-Shell-Channel Joint (UHX-13.7) |
| 97 | 10.3 Effect of Radial Thermal Expansion Adjacent to the Tubesheet (UHX-13.8) |
| 100 | 10.4 Calculation Procedure for Simply Supported Tubesheets (UHX-13.9) 10.5 Tubesheet Effective Bolt Load (UHX-8) |
| 101 | Table UHX-8.1 10.6 Tubesheet Flange Extension (UHX-9) |
| 103 | 10.7 HE Set-up with a Thin-Walled Expansion Joint (UHX-13.16) 10.8 HE Set-up with a Thick-Walled Expansion Joint (UHX-13.17) |
| 105 | 11 HOW TO USE THE RULES |
| 106 | 12 CHECKING OF THE RESULTS 12.1 Comparison with FEA |
| 108 | 12.2 Comparison with CODAP French Rules |
| 112 | 12.3 Comparison with TEMA Rules |
| 118 | 12.4 Comparison with Circular Plates Subject to Pressure |
| 121 | 12.5 Conclusions |
| 122 | References—Part 3 |
| 124 | 1 SCOPE |
| 125 | 2 HISTORICAL BACKGROUND |
| 126 | 3 GENERAL 3.1 TS Configurations (UHX-14.1) |
| 127 | 3.2 Notations |
| 130 | 3.3 Loading Cases (UHX-14.4) |
| 131 | 3.4 Design Assumptions (UHX-14.2) |
| 132 | 3.5 Basis of Analytical Treatment 3.5.1 General |
| 133 | 3.5.2 Free Body Diagram for ST TS |
| 134 | 3.5.3 Free Body Diagram for FL TS |
| 136 | 4 AXIAL DISPLACEMENTS AND FORCES ACTING ON THE TUBES AND ON THE SHELL 4.1 Axial Displacement and Force Acting on the Tubes (Figure 42) |
| 137 | 4.2 Axial Displacement and Force Acting on the Shell (Figure 43) |
| 138 | 5 DEFLECTION AND LOADS ACTING ON THE TUBESHEET 5.1 Equivalent Plate Resting on an Elastic Foundation (Figure 44) |
| 139 | 5.2 Determination of Integration Constants A and B |
| 140 | 6 TREATMENT OF THE UNPERFORATED RIM 6.1 Edge Loads Applied on Shell and Channel at their Connection to the TS 6.2 Equilibrium of the Unperforated Rim 6.2.1 Due to Axial Loads |
| 146 | 6.2.2 Due to Applied Moments 6.2.3 Edge Loads Va and Ma Applied to the Tubesheet |
| 147 | 7 EQUIVALENT PRESSURE ACTING ON THE TUBESHEET |
| 148 | 8 STRESSES IN THE HEAT-EXCHANGER COMPONENTS |
| 149 | 9 DETERMINATION OF ALLOWABLE STRESS LIMITS |
| 150 | 10 ADDITIONAL RULES |
| 151 | 11 HOW TO USE THE RULES 11.1 Stationary TS 11.2 Floating TS 11.3 Calculation Procedure |
| 152 | 11.4 Calculation Using a Fixed TS HE Software |
| 153 | References—Part 4 |
| 155 | 1 SCOPE |
| 156 | 2 HISTORICAL BACKGROUND |
| 157 | 3 GENERAL 3.1 TS Configurations (UHX-12.1) 3.2 Notations |
| 159 | 3.3 Loading Cases (UHX-12.4) |
| 160 | 3.4 Design Assumptions (UHX-12.2) 3.5 Basis of Analytical Treatment 3.5.1 General |
| 161 | 3.5.2 Free Body Diagram |
| 163 | 4 TREATMENT OF THE PERFORATED TUBESHEET |
| 164 | 5 TREATMENT OF THE UNPERFORATED RIM 5.1 Edge Loads Applied on Shell and Channel at their Connection to the TS 5.2 Equilibrium of the Unperforated Solid Rim |
| 169 | 6 STRESSES IN THE HEAT-EXCHANGER COMPONENTS 6.1 Stresses in the Tubesheet 6.2 Stresses in the Shell and Channel |
| 170 | 6.3 Determination of Stresses using the Fixed TS Rules |
| 171 | 7 DETERMINATION OF THE ALLOWABLE STRESS LIMITS |
| 172 | 8 ADDITIONAL RULES 8.1 Effect of Plasticity at the Tubesheet-Shell-Channel Joint (UHX-12.5) |
| 173 | 9 HOW TO USE THE RULES |
| 174 | 10 COMPARISON WITH TEMA RULES 10.1 TEMA Formula 10.2 Numerical Comparisons |
| 176 | References—Part 5 |
| 178 | 1 SUMMARY AND CONCLUSIONS |
| 181 | Annex A — Values of Effective Elastic Constants from Various Authors |
| 183 | Annex B — Values of Effective Elastic Constants for the Full Range of μ (0.1≤μ*≤1.0) 1 Introduction 2 Curves (From [13] ) |
| 184 | 3 Numerical Values (From [13] ) |
| 189 | 4 Polynomials |
| 190 | Annex C — Poisson’s Ratio in Tubes and Shell |
| 192 | Annex D — Shell Pressure Acting on the Expansion Joint Sidewalls |
| 193 | Annex E — Differential Pressure Acting on the Equivalent Solid Plate |
| 195 | Annex F — Solution of Differential Equation w(x) |
| 197 | Annex G — Coefficients Zd, Zv, Zw, Zm; Qm, Qv; Qα, Qβ; Fm, Ft |
| 202 | Annex H — Radial Displacement and Rotation of the Shell at its Connection with the Ring 1 Radial Displacement Due to Internal Pressure Ps |
| 203 | 2 Radial Displacement and Rotation Due to Edge Loads Qs and Ms 3 Radial Displacement Due to Internal Pressure and Edge Loads 4 Channel |
| 204 | Annex I — Shell-to-Ring Connection in Radial Direction |
| 206 | Annex J — Minimum Length of Shell and Channel when Integral with the TS |
| 208 | Annex K — Formulas for a Hemispherical Channel when Integral with the TS 1 Radial Displacement Due to Internal Pressure Pc 2 Radial Displacement and Rotation Due to Edge Loads Qs and Ms |
| 209 | 3 Radial Displacement Due to Internal Pressure and Edge Loads |
| 210 | Annex L — Equilibrium of Ring Subjected to Edge Moments |
| 217 | Annex M — Direct Determination of the Equivalent Pressure |
| 221 | Annex N — Formulas To Be Used When Pe=0 1 Net Effective Pressure: q(x) 2 Axial Displacement: w(x) 3 Rotation: θ(x) 4 Bending Stress: σ(x) |
| 222 | 5 Shear Stress:ï€ ï´(x) 6 Axial Stress in Tubes: σt(x) |
| 223 | Annex O — Tabular and Graphical Representation of Coefficient Ft(x) |
| 240 | Annex P — Tabular and Graphical Representation of Coefficient Fm(x) |
| 251 | Annex Q —Tabular and Graphical Representation of Coefficient FQ(x) |
| 263 | Annex R — Determination of the Allowable Buckling Stress Limits |
| 267 | Annex S — Common Intersection of Curves σt(x) 1 General 2 Determination of Common Intersection xo for σt(x) |
| 268 | 3 Generalization to Other Stresses |
| 269 | Annex T — Determination of Stresses in U-Tube TS HEs Using the Fixed TS Rules |
| 272 | Annex U — Calculation of a U-Tube TS Using Floating or Fixed TS HE Software |
| 273 | Annex V — UHX-13 – Example E4.18.7 (PTB-4 2013 Edition) with General Equations |
| 319 | Annex W — UHX-14 – Example E4.18.8 (PTB-4 2013 Edition) Stationary |
| 348 | Annex X — UHX-14 – Example E4.18.8 (PTB-4 2013 Edition) Floating |
| 377 | Annex Y — UHX-12 – Example E4.18.4 (PTB-4 2013 Edition) |
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