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بررسی و شبیه سازی عددی اجکتور دوفازی به منظور استفاده در سیکل آب شیرین کن
احمدیانی، مریم Ahmadiani, Maryam
Cataloging brief
بررسی و شبیه سازی عددی اجکتور دوفازی به منظور استفاده در سیکل آب شیرین کن
پدیدآور اصلی :
احمدیانی، مریم Ahmadiani, Maryam
ناشر :
صنعتی شریف، پردیس بین الملل جزیره کیش
سال انتشار :
1402
موضوع ها :
شبیه سازی عددی Numerical Simulation خارج کننده Ejector نسبت مکش Entrainment Rate جریان...
شماره راهنما :
58-57718
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Chapter 1 Introduction
(16)
1.1 Ejector Design
(21)
1.2 Types of ejectors in terms of application
(23)
1.2.1 Vacuum Creation
(23)
1.2.2 Siphons and Eductors
(23)
1.2.3 Ventilators and Gas Scrubbers
(24)
1.2.4 Fluid Mixing
(24)
1.2.5 Pressure Increase
(25)
1.3 Role of Ejectors in Refrigeration
(28)
1.4 Factors Disrupting Ejector Function
(30)
Chapter 2 Literature Review
(33)
2.1 Research Related to Ejector Design
(33)
2.2 Analytical Design
(36)
2.3 Experimental Design of Ejectors
(37)
2.4 Application of the Ejector in Water Desalination Systems
(39)
2.5 Research Objectives
(40)
Chapter 3 Governing Equations and Assumptions
(42)
3.1 Numerical Solution Considerations
(42)
3.2 Governing Equations and Solving Algorithm
(43)
3.3 Assumptions of the Numerical Model
(47)
3.4 Meshing and boundary conditions
(49)
3.5 Working fluid
(49)
3.6 Transient Cycle Simulation with TRNSYS Software
(50)
Chapter 4 Results
(53)
4.1 Parametric Investigation of the Ejector in Steady State Conditions
(53)
4.2 Validation
(54)
4.2.1 Grid Independence Investigation
(55)
4.2.2 Validation of the Water Vapor Turbulence Model
(57)
4.2.2.1 Validation of Supersonic Flow Using the Mach Number
(57)
4.2.2.2 Validation of the Turbulence Model
(58)
4.3 Numerical modeling of the ejector in the two-phase state of water and steam
(59)
4.3.1 Simulation under different secondary flow pressures and constant primary flow pressures
(59)
4.3.1.1 Sample 1: Secondary flow pressure of 7000 Pa
(59)
4.3.1.2 Sample 2: Secondary flow pressure 23400 Pa
(64)
4.3.1.3 Sample 3: Secondary Flow Pressure 25100 Pa
(68)
4.3.1.4 Sample 4: Secondary flow pressure 31200 Pa
(73)
4.3.1.5 Sample 5: Secondary flow pressure 39700 Pa
(78)
4.3.2 Changes in Secondary Nozzle Pressure Based on Temperature, Flow Rate, and Speed
(82)
4.3.3 Changes in Primary Nozzle Pressure Based on Temperature, Flow Rate, and Speed
(84)
4.3.4 Simulation of Solar Collector and Product Flow Rate
(85)
4.3.5 Hourly Simulation of the Output Product Flow Rate
(87)
Chapter 5 Problems, Solutions, Conclusions
(90)
5.1 Challenges and Solutions for Numerical Simulations
(90)
5.2 Summary and Conclusion
(91)
5.3 Suggestions for Further Research
(93)
References
(94)
Appendix A
(100)
Appendix B
(101)
Appendix C
(103)