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Course Number: Course Category: Professional Teaching Course Target Students: Major in Heat and Power Engineering Semester Offered: Credits: Instructors: Designated Textbook: Principles and Design of Heat Exchangers, edited by Shi Meizhong and Wang Zhongzheng, Nanjing – Southeast University Press, November 1996. Teaching Objectives: \"Heat Exchange Technology and Equipment\" is one of the core professional courses for students majoring in Heat and Power Engineering. Through the lectures and various teaching activities in this course, students will be able to systematically master the basic principles of thermal calculations for heat exchangers, acquire knowledge on the design and calculation of shell-and-tube heat exchangers, and gain a preliminary understanding of the design methods for finned-tube heat exchangers, plate heat exchangers, plate-fin heat exchangers, as well as the condensers and evaporators used in refrigeration systems. Familiar with new theories and technologies in heat transfer enhancement techniques, as well as the principles and design of heat exchangers, and possess certain capabilities in heat exchanger design. Chapter 1 Introduction: Class time: 1 week, 2 class periods in total. Teaching content: 1-1 The importance of studying heat exchangers; 1-2 Classification and basic structure; 1-3 Contents of heat exchanger design calculations. Teaching requirements: Be familiar with the classification and basic structure of heat exchangers. Thought questions: 1. Why is it necessary to study heat exchangers? 2. What are the main types and structures of heat exchangers? 3. What are the main aspects included in the design calculations for heat exchangers? Chapter 2: Basic Principles of Thermal Calculation for Heat Exchangers Class hours: 2 weeks, a total of 4 class sessions Teaching content: 2-1 Concept of thermal calculation 2-2 Average temperature difference 2-3 Calculation of heat transfer effectiveness 2-4 Methods of thermal calculation for heat exchangers 2-5 Selection of fluid flow patterns Learning objectives: To master the basic principles and concepts of thermal calculation for heat exchangers, thereby laying a foundation for the subsequent discussion on the thermal calculation of various types of heat exchangers. Thought questions: 1. What is the design calculation of a heat exchanger? What is verification calculation? 2. What are the basic equations on which the thermal calculation of heat exchangers is based? 3. Why is the method of heat transfer unit count more convenient when performing verification calculations for heat exchangers? Chapter 3 Shell and Tube Heat Exchangers: 2 weeks, a total of 4 class hours. Teaching content: 3-1 Types, standards, and structure of shell and tube heat exchangers; 3-2 Structural calculations for shell and tube heat exchangers; 3-3 Heat transfer calculations for shell and tube heat exchangers; 3-4 Flow resistance calculations for shell and tube heat exchangers; 3-5 Rational design of shell and tube heat exchangers; 3-6 Vibration in shell and tube heat exchangers; 3-7 Design procedures for shell and tube heat exchangers. Teaching requirements: Be familiar with the types, standards, and structure of shell and tube heat exchangers, and master their design. Thought questions: 1. What are the types and structures of shell-and-tube heat exchangers? 2. What are the basic equations on which the heat transfer calculation for shell-and-tube heat exchangers is based? 3. What factors need to be considered when performing the design calculations for shell-and-tube heat exchangers in order to achieve a reasonable design? Chapter 4 Plate Heat Exchangers: 2 weeks, a total of 4 class hours. Teaching content: 4-1 Basic structure, working principle, and characteristics of plate heat exchangers; 4-2 Design calculations for plate heat exchangers; 4-3 Development trends of plate heat exchangers. Learning requirements: Understand the basic structure, working principle, and characteristics of plate heat exchangers, and be able to carry out their design. Thought questions: 1. What are the characteristics of plate heat exchangers? 2. What are the basic equations on which the heat transfer calculation for plate heat exchangers is based? 3. What factors need to be considered when performing the design calculations for plate heat exchangers in order to achieve a reasonable design? Chapter 5: Plate and Fin Heat Exchangers Class hours: 2 weeks, a total of 4 class sessions Teaching content: 5-1 Basic structure, working principle, and characteristics of plate and fin heat exchangers; 5-2 Design calculations for plate and fin heat exchangers; 5-3 Development trends of plate and fin heat exchangers. Teaching requirements: Students should be familiar with the basic structure, working principle, and characteristics of plate and fin heat exchangers, and should be able to perform design calculations for such heat exchangers. Thought questions: 1. What are the characteristics of plate-fin heat exchangers? 2. What are the basic equations on which the heat transfer calculation for plate-fin heat exchangers is based? 3. What factors need to be considered when performing the design calculations for plate-fin heat exchangers in order to achieve a reasonable design? Chapter 6 Finned Tube Heat Exchangers: Class time: 2 weeks, a total of 4 class sessions. Teaching content: 6-1 Basic structure, working principle, and characteristics of finned tube heat exchangers; 6-2 Types and selection of finned tubes; 6-3 Heat transfer calculations and pressure drop calculations for finned tube heat exchangers; 6-4 Design of air coolers. Learning requirements: Be familiar with the types, working principles, and structures of finned tube heat exchangers, and master their design. Thought questions: 1. What are the types and structures of finned tubes? 2. What are the basic equations on which the heat transfer calculation for finned-tube heat exchangers is based? 3. What factors need to be considered when performing the design calculations for finned-tube heat exchangers in order to achieve a reasonable design? Chapter 7 Heat Pipe Exchangers: Class time: 2 weeks, a total of 4 class sessions. Teaching content: 7-1 Composition and operating characteristics of heat pipes; 7-2 Basic structure, working principle, and features of heat pipe exchangers; 7-3 Design calculations for heat pipe exchangers; 7-4 Safety verification of the operation of heat pipes in heat pipe exchangers. Teaching requirements: Understand the working principle and structure of heat pipe exchangers, and master their design. Thought questions: 1. What factors limit the heat transfer capacity of heat pipes? 2. What are the basic equations on which the heat transfer calculation for heat pipe exchangers is based? 3. What factors need to be considered when performing the design calculations for heat pipe exchangers in order to achieve a reasonable design? Chapter 8: Condensers Class hours: 2 weeks, a total of 3 class sessions Teaching content: 8-1 Selection of condenser types; 8-2 Parameter selection in condenser design; 8-3 Design calculations for air-cooled condensers. Teaching requirements: Be familiar with the different types of condensers, and master the design calculations for air-cooled condensers. Thought questions: 1. How to choose the type of condenser? 2. What are the basic equations on which the heat transfer calculation for condensers is based? 3. What factors need to be considered when performing the design calculations for air-cooled condensers in order to achieve a reasonable design? Chapter 9: Evaporators Class hours: 2 weeks, a total of 3 class sessions Teaching content: 9-1 Functions and operation principles of evaporators, their classification and structure; 9-2 Heat exchange between the refrigerant side and the air side; 9-3 Design and calculation of evaporators. Learning requirements: Understand the functions and operation principles of evaporators, as well as their classification and structure, and be able to design and calculate evaporators. Thought questions: 1. What factors limit heat exchange on the refrigerant side and the air side? 2. What are the basic equations on which the heat transfer calculation for evaporators is based? 3. What factors need to be considered when performing the design calculations for an evaporator in order to achieve a reasonable design? Bibliography 1. Qin Shujing, Ye Wenbang et al., Heat Exchangers, Beijing – Chemical Industry Press, 2003 2. Qian Songwen (editor), Heat Exchanger Design Manual, Beijing – Chemical Industry Press, 2002 3. Qian Songwen... (editor), Fluid Mechanics and Heat Transfer in Heat Exchanger Tubes, Beijing – Sinopec Press, 2002 4. Zhu Pingguan (editor), Principles and Calculations of Heat Exchangers, Beijing – Tsinghua University Press, 1987 5. Schrindler (Germany) (editor), Heat Exchanger Design Manual (4 volumes), Beijing – Machinery Industry Press, 1989 6. Lu Yu, Cheng Lin (editors), Principles and Analysis of Heat Transfer, Beijing – Science Press, 1997 7. Yang Shiming, Tao Wenquan (editors), Heat Transfer, Beijing – Higher Education Press, 1998 8. Gu Weizao et al., Enhanced Heat Transfer, Beijing – Science Press, August 1990 9. Yan Haofeng, Gan Yongping (editors), New Types of Heat Exchangers and Heat Transfer Enhancement (Energy Saving Technology Series), Beijing – Aerospace Publishing House, 1991 10. Lin Zonghu, Enhanced Heat Transfer and Its Engineering Applications, Beijing – Machinery Industry Press, 1987 11. Qian Songwen... (editor), Techniques for Enhanced Heat Transfer in Tubular Heat Exchangers, Beijing – Chemical Industry Press, 2003 12. Guo Zengyuan, Huang Suyi et al., Principles of Field Synergy and New Technologies for Enhanced Heat Transfer, Beijing – China Electric Power Press, 2004