• AUTHOR'S DECLARATION (3)
• Abstract (4)
• The Effect of Stress Due to Repair of a Heat Exchanger on Crack (4)
• Acknowledgements (5)
• Dedication (6)
• List of Figures (9)
• List of Tables (11)
• 1. Introduction (13)
  • 1.1. Motivation and Research Objectives (13)
  • 1.1. (16)
  • 1.2. Heat Exchangers (16)
  • 1.3. Classification of Heat Exchangers (16)
  • 1.4. Shell and tube heat exchangers (17)
  • 1.5. Fracture Mechanics (18)
    • 1.5.1. Linear Elastic Fracture Mechanics (19)
  • 1.1. (22)
  • 1.6. Literature Review (22)
• 2. 3D Modeling (27)
  • 2.1. 3D CAD Design Software (SolidWorks) (27)
  • 2.2. Modeling Procedure (27)
  • 2.3. Some Details and Figures on Heat Exchanger (27)
  • 2.4. Used Material List (32)
• 3. Finite Element Implementation (35)
  • 3.1. Finite Element Software (35)
  • 3.2. Boundary Conditions and Assumptions (35)
  • 1.1. (37)
  • 1.1. (37)
  • 1.1. (37)
  • 3.3. Element Types (37)
  • 3.4. Procedure (42)
• 4. Results and Discussion (47)
  • 4.1. Some Explanations (47)
  • 4.2. Heat Exchanger Answers (47)
    • 4.2.1. Steady State Thermal (47)
    • 1.1.1. (48)
    • 4.2.2. Static Structure (48)
      • 4.2.2.1. Deformations (48)
      • 1.1.1.1. (49)
      • 4.2.2.2. (49)
      • 4.2.2.2. (52)
      • 4.2.2.2. Computed Stresses (52)
    • 4.2.3. Fixed support Reactions (57)
    • 4.2.4. Crack Stress Intensity Factor (58)
  • 4.3. Repaired Heat Exchanger Answers (59)
    • 4.3.1. Crack Stress Intensity Factor (59)
• 5. Conclusions and Future Works (62)
  • 5.1. Conclusions (62)
  • 5.2. (63)
  • 5.2. (63)
  • 5.2. (63)
  • 5.2. (63)
  • 5.2. Future Works (63)
• References (64)
• Abstract Farsi.pdf
  • چکیدهی فارسی (67)