Buoyancy-Thermocapillary Convection of Volatile Fluids in Confined and Sealed Geometries
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Buoyancy-Thermocapillary Convection of Volatile Fluids in Confined and Sealed Geometries

Buoyancy-Thermocapillary Convection of Volatile Fluids in Confined and Sealed Geometries


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International Edition


About the Book

CHAPTER 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1 Motivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2 Previous Studies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2.1 Buoyancy-Thermocapillary Convection . . . . . . . . . . . . . . 3

1.2.2 Modeling of Two-Phase Cooling Devices . . . . . . . . . . . . . 7

1.2.3 Effect of Noncondensable Gases . . . . . . . . . . . . . . . . . . 14

1.2.4 Direct Numerical Simulation of Two-Phase Flows . . . . . . . . . 18

1.3 Objectives of This Work . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

CHAPTER 2 MATHEMATICAL MODEL . . . . . . . . . . . . . . . . . . . . 24

2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.2 Fundamental Equations for Simple Fluid Flow . . . . . . . . . . . . . . . 25

2.3 Fundamental Equations for Binary Fluid Flow . . . . . . . . . . . . . . . 26

2.4 Constitutive Relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.4.1 Equations of State . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.4.2 Molecular Diffusion . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.4.3 Material Parameters . . . . . . . . . . . . . . . . . . . . . . . . . 31

2.5 Simplified Form of the Governing Equations . . . . . . . . . . . . . . . . 33

2.6 Boundary Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2.6.1 Liquid-Gas Interface . . . . . . . . . . . . . . . . . . . . . . . . 35

2.6.2 Inner Surface of the Cavity . . . . . . . . . . . . . . . . . . . . . 42

2.6.3 Solution Procedure . . . . . . . . . . . . . . . . . . . . . . . . . 42

CHAPTER 3 CONVECTION AT ATMOSPHERIC CONDITIONS . . . . . . 44

3.1 Numerical Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

3.1.1 Steady Unicellular and Multicellular Flow . . . . . . . . . . . . . 48

3.1.2 Oscillatory Multicellular Flow . . . . . . . . . . . . . . . . . . . 52

3.2 Comparison with Experiments . . . . . . . . . . . . . . . . . . . . . . . 54

3.3 The Effect of the Interfacial Curvature . . . . . . . . . . . . . . . . . . . 59

3.4 Three-Dimensional Effects . . . . . . . . . . . . . . . . . . . . . . . . . 61

3.5 Theoretical Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

3.5.1 Fluid Flow and Temperature in the Liquid Layer . . . . . . . . . . 71

3.5.2 Fluid Flow, Temperature, and Composition in the Gas Layer . . . 73

3.6 End Wall Effects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

3.7 Validity of the One-Sided Models . . . . . . . . . . . . . . . . . . . . . . 79

3.7.1 Interface Shape . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

3.7.2 Phase Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

3.7.3 Newton's Law of Cooling . . . . . . . . . . . . . . . . . . . . . . 82

3.8 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

CHAPTER 4 CONVECTION UNDER PURE VAPOR . . . . . . . . . . . . . 88

4.1 Fluid Flow and Temperature Fields . . . . . . . . . . . . . . . . . . . . . 89

4.2 Theoretical Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

4.2.1 Interfacial Temperature . . . . . . . . . . . . . . . . . . . . . . . 92

4.2.2 Thermal Boundary Layer Thickness . . . . . . . . . . . . . . . . 97

4.2.3 Interfacial Flow Speed . . . . . . . . . . . . . . . . . . . . . . . 98

4.2.4 Newton's Law of Cooling . . . . . . . . . . . . . . . . . . . . . . 99

4.3 Comparison of Different Phase Change Models . . . . . . . . . . . . . . 101

4.4 Dependence on the Accommodation Coeffcient . . . . . . . . . . . . . . 105

4.5 Discussion . . . . .
About the Author:

Dr Tongran Qin was awarded a PhD degree by Georgia Institute of Technology in 2015.





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Product Details
  • ISBN-13: 9783319870533
  • Publisher: Springer International Publishing AG
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Spine Width: 12 mm
  • Width: 156 mm
  • ISBN-10: 331987053X
  • Publisher Date: 12 May 2018
  • Height: 234 mm
  • No of Pages: 209
  • Series Title: Springer Theses
  • Weight: 376 gr


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