Yuri S. Muzychka, M. Michael Yovanovich

Thermal Spreading and Contact Resistance (eBook, ePUB)

Fundamentals and Applications

• Format: ePub

Produktbeschreibung

Thermal Spreading and Contact Resistance: Fundamentals and Applications Single source reference on how applying thermal spreading and contact resistance can solve problems across a variety of engineering fields Thermal Spreading and Contact Resistance: Fundamentals and Applications offers comprehensive coverage of the key information that engineers need to know to understand thermal spreading and contact resistance, including numerous predictive models for determining thermal spreading resistance and contact conductance of mechanical joints and interfaces, plus detailed examples throughout the book. Written by two of the leading experts in the field, Thermal Spreading and Contact Resistance: Fundamentals and Applications includes information on: * Contact conductance, mass transfer, transport from super-hydrophobic surfaces, droplet/surface phase change problems, and tribology applications such as sliding surfaces and roller bearings * Heat transfer in micro-devices and thermal spreaders, orthotropic systems, and multi-source applications for electronics thermal management applications * Fundamental principles, thermal spreading in isotropic half-space regions, circular flux tubes and disc spreaders, and rectangular flux channels and compound spreaders * Systems with non-uniform sink plane conductance, transient spreading resistance, and contact resistance between both non-conforming and conforming rough surfaces Providing comprehensive coverage of the subject, Thermal Spreading and Contact Resistance: Fundamentals and Applications is an essential resource for mechanical, aerospace, and chemical engineers working on research in the fields of heat transfer, thermal management of electronics, and tribology, as well as thermal engineers and researchers in the field of thermal physics.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 464
• Erscheinungstermin: 9. August 2023
• Englisch
• ISBN-13: 9781394187546
• Artikelnr.: 68600299

Autorenporträt

Yuri S. Muzychka is a Professor of Mechanical Engineering at Memorial University of Newfoundland, Canada. He is a Fellow of ASME, CSME, and the Engineering Institute of Canada (EIC) and has published over 250 journal and conference proceedings papers, in addition to three handbook chapters. M. Michael Yovanovich is a Distinguished Professor Emeritus at the University of Waterloo, Canada. He is a fellow of ASME, CSME, AIAA, AAAS, and RSC. He has published seven handbook chapters and over 350 journal and conference proceedings papers, and has given over 150 keynote lectures.

Inhaltsangabe

About the Authors xv

Preface xvi

Acknowledgments xix

Nomenclature xx

1 Fundamental Principles of Thermal Spreading Resistance 1

1.1 Applications 2

1.2 Semi-Infinite Regions, Flux Tubes, Flux Channels, and Finite Spreaders 4

1.3 Governing Equations and Boundary Conditions 6

1.3.1 Source Plane Conditions 6

1.3.2 Sink Plane Conditions 7

1.3.3 Interface Conditions 8

1.4 Thermal Spreading Resistance 8

1.4.1 Half-Space Regions 8

1.4.2 Semi-Infinite Flux Tubes and Channels 10

1.4.3 Finite Disks and Channels 11

1.5 Solution Methods 11

1.6 Summary 12

References 12

2 Thermal Spreading in Isotropic Half-Space Regions 15

2.1 CircularAreaonaHalf-Space 15

2.1.1 Isothermal Circular Source 16

2.1.2 Isoflux Circular Source 17

2.1.3 Parabolic Flux Circular Source 19

2.1.4 Summary of Circular Source Thermal Spreading Resistance 20

2.2 Elliptical Area on a Half-Space 20

2.2.1 Isothermal Elliptical Source 20

2.2.2 Isoflux Elliptical Source 22

2.2.3 Parabolic Flux Elliptical Source 23

2.3 Method of Superposition of Point Sources 25

2.3.1 Application to a Circular Source 26

2.3.2 Application to Triangular Source Areas 28

2.4 Rectangular Area on a Half-Space 29

2.4.1 Isothermal Rectangular Area 29

2.4.2 Isoflux Rectangular Source 30

2.5 Spreading Resistance of Symmetric Singly Connected Areas: The Hyperellipse 33

2.6 Regular Polygonal Isoflux Sources 34

2.7 Additional Results for Other Source Shapes 36

2.7.1 Triangular Source 36

2.7.2 Rhombic Source 36

2.7.3 Rectangular Source with Rounded Ends 37

2.7.4 Rectangular Source with Semicircular Ends 37

2.8 Model for an Arbitrary Singly Connected Heat Source on a Half-Space 38

2.9 Circular Annular Area on a Half-Space 40

2.9.1 Isothermal Circular Annular Ring Source 40

2.9.2 Isoflux Circular Annular Ring Source 40

2.10 Other Doubly Connected Areas on a Half-Space 41

2.11 Problems with Source Plane Conductance 42

2.11.1 Isoflux Heat Source on a Convectively Cooled Half-Space 42

2.11.2 Effect of Source Contact Conductance on Spreading Resistance 44

2.12 Circular Area on Single Layer (Coating) on Half-Space 45

2.12.1 Equivalent Isothermal Circular Contact 45

2.12.2 Isoflux Circular Contact 47

2.12.3 Isoflux, Equivalent Isothermal, and Isothermal Solutions 47

2.12.3.1 Isoflux Contact Area 47

2.12.3.2 Equivalent Isothermal Contact Area 48

2.12.3.3 Isothermal Contact Area 48

2.13 Thermal Spreading Resistance Zone: Elliptical Heat Source 48

2.14 Temperature Rise of Multiple Isoflux Sources 52

2.14.1 Two Coplanar Isoflux Circular Sources 52

2.15 Temperature Rise in an Arbitrary Area 56

2.15.1 Temperature Rise at Arbitrary Point 56

2.15.2 Average Temperature Rise 57

2.16 Superposition of Isoflux Circular Heat Sources 58

2.16.1 Nine Coplanar Circles on Square Cluster 61

2.16.2 Five Coplanar Circles on Square Cluster 62

2.16.3 Four Coplanar Circles on Triangular Cluster 63

2.17 Superposition of Micro- and Macro-Spreading Resistances 64

References 68

3 Circular Flux Tubes and Disks 71

3.1 Semi-Infinite Flux Tube 71

3.1.1 Isothermal Source on a Flux Tube 76

3.2 Finite Disk with Sink Plane Conductance 77
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