Advances in Heat Transfer

Table of contents

1. Front Cover
2. Advances in Heat Transfer
3. Advances in Heat Transfer
4. Copyright
5. Contents
6. List of Contributors
7. Preface
8. On the Computational Modelling of Flow and Heat Transfer in In-Line Tube Banks
   1. Greek Symbols
   2. Acronyms
   3. 1. Introduction
   4. 2. Computational and Modelling Schemes
      1. 2.1 Discretization practices and boundary conditions
      2. 2.2 Turbulence modelling
   5. 3. Fully Developed Flow through In-Line Tube Banks
      1. 3.1 Domain-dependence and mesh-density issues for the LES treatment
      2. 3.2 Effects of pitch:diameter ratio
      3. 3.3 Effects of Reynolds number
      4. 3.4 Performance of URANS models for a square array for P/D=1.6 (1/2)
      5. 3.4 Performance of URANS models for a square array for P/D=1.6 (2/2)
   6. 4. Modelling the Complete Experimental Assembly of Aiba et al. [13]
      1. 4.1 Scope of the study
      2. 4.2 Computed behaviour for the Test Section of Aiba et al. [13]
   7. 5. Thermal Streak Dispersion in a Quasi-Industrial Tube Bank
      1. 5.1 Rationale and scope
      2. 5.2 Streamwise fully developed flow
      3. 5.3 Computations of the complete industrial tube bank with thermal spike (1/2)
      4. 5.3 Computations of the complete industrial tube bank with thermal spike (2/2)
   8. 6. Concluding Remarks
   9. Acknowledgments
   10. References
9. Developments in Radiation Heat Transfer: A Historical Perspective
   1. Greek Letters
   2. Subscripts
   3. 1. Introduction
   4. 2. Early Concepts of Light (Radiation)
   5. 3. The Nineteenth Century
   6. 4. Quantum Theory and Planck's Radiation Law
      1. 4.1 Planck's blackbody function
      2. 4.2 Limiting cases of the Planck's law
      3. 4.3 Stefan–Boltzmann law
   7. 5. Radiant Heat Exchange between the Surfaces of Solids
      1. 5.1 Radiation heat exchange in a gray, diffuse enclosure
      2. 5.2 Wavelength-dependent radiation properties
      3. 5.3 Radiation exchange between nonideal surfaces
      4. 5.4 Conjugate heat transfer: combined radiation with conduction and convection at boundaries
         1. 5.4.1 Combined conduction and radiation
         2. 5.4.2 Radiation combined with convection at boundaries
         3. 5.4.3 Radiation combined with conduction and convection
   8. 6. Radiative Transfer in a Participating Medium
      1. 6.1 Radiative transfer and radiant energy equation
      2. 6.2 Radiative transfer under radiative equilibrium
   9. 7. Interaction of Radiation with Conduction and Advection in Participating Media
      1. 7.1 Interaction of conduction with radiation
      2. 7.2 Combined conduction, advection and radiation
      3. 7.3 Interaction of radiation with turbulent flow
      4. 7.4 Interaction between combustion and radiation
   10. 8. Future Challenges
   11. Acknowledgments
   12. References
10. Convective Heat Transfer Enhancement: Mechanisms, Techniques, and Performance Evaluation
    1. Nomenclature
    2. Greek Alphabets
    3. Subscripts
    4. Abbreviations
    5. 1. Introduction
       1. 1.1 Background
       2. 1.2 Introduction to field synergy principle
       3. 1.3 Indicators of synergy
       4. 1.4 Techniques for enhancing single-phase convective heat transfer (1/2)
       5. 1.4 Techniques for enhancing single-phase convective heat transfer (2/2)
       6. 1.5 Performance evaluation methods for enhancing techniques
    6. 2. Verifications of FSP
       1. 2.1 Verification of FSP deduction 1
       2. 2.2 Verification of FSP deduction 2
       3. 2.3 Verification of FSP for turbulent heat transfer
    7. 3. Contributions of FSP to the Development of Convective Heat Transfer Theory
       1. 3.1 FSP Revealing the condition for velocity to play a role in convective heat transfer
       2. 3.2 FSP revealing the upper limit of exponent m in the correlation of Nu∼Rem
       3. 3.3 FSP explaining fundamental reasons of characteristics for some basic and enhanced heat transfer cases
          1. 3.3.1 Laminar fully developed heat transfer in tube: Nuq﹥NuT
          2. 3.3.2 Very high heat transfer coefficient at stagnation point of impinging jet
          3. 3.3.3 Role of fins
          4. 3.3.4 Heat transfer characteristics of flow across tube banks
          5. 3.3.5 Heat transfer characteristics of flow across tube bank with H-type fins
          6. 3.3.6 Heat transfer characteristics of flow across vortex generators
          7. 3.3.7 The role of nanoparticles in heat transfer enhancement
          8. 3.3.8 Enhancement of heat transfer in electronic devices
          9. 3.3.9 Enhancement of heat transfer in solar air heater
          10. 3.3.10 Improvement of thermal performance of pulse tube refrigerator
       4. 3.4 FSP guiding the developments of enhancing techniques with high efficiency (1/4)
       5. 3.4 FSP guiding the developments of enhancing techniques with high efficiency (2/4)
       6. 3.4 FSP guiding the developments of enhancing techniques with high efficiency (3/4)
       7. 3.4 FSP guiding the developments of enhancing techniques with high efficiency (4/4)
          1. 3.4.1 Design of slotted fin surface with “front sparse and rear dense” rule
          2. 3.4.2 Design of an alternating elliptical axis tube
          3. 3.4.3 Design of plain fin with radiantly arranged winglets around each tube
          4. 3.4.4 Improvement of bipolar channel for proton exchange membrane fuel cell
    8. 4. Performance Evaluation of Enhanced Structures
       1. 4.1 A unified log–log plot for performance evaluation (1/2)
       2. 4.1 A unified log–log plot for performance evaluation (2/2)
          1. 4.1.1 Basic equations for constructing performance evaluation plot
          2. 4.1.2 Composition of the NPEP
          3. 4.1.3 Contours of the working lines for the three constraints
       3. 4.2 Some typical applications examples of NPEP (1/2)
       4. 4.2 Some typical applications examples of NPEP (2/2)
          1. 4.2.1 Example of enhanced technique under identical pumping power constraint
          2. 4.2.2 Example of enhanced technique under identical pressure drop constraint
          3. 4.2.3 Example of enhanced technique under identical flow rate constraint
          4. 4.2.4 Comparison of enhanced technique with wavy channel as a reference
          5. 4.2.5 Comparison of helical baffle with segmental baffle of shell-side heat transfer in shell-and-tube heat exchangers
       5. 4.3 A comprehensive comparison study on techniques adopted in compact heat exchangers by the NPEP
    9. 5. Conclusions
    10. Acknowledgments
    11. References
11. Recent Analytical and Numerical Studies on Phase-Change Heat Transfer
    1. 1. Introduction
    2. 2. Surface Characteristics
       1. 2.1 Wettability
       2. 2.2 Roughness
    3. 3. Onset of Bubble Nucleation
       1. 3.1 Homogeneous nucleation
          1. 3.1.1 Gibbs free energy analysis
          2. 3.1.2 Availability analysis
       2. 3.2 Heterogeneous nucleation (1/3)
       3. 3.2 Heterogeneous nucleation (2/3)
       4. 3.2 Heterogeneous nucleation (3/3)
          1. 3.2.1 Hsu's classical theory
          2. 3.2.2 Effects of contact angle
          3. 3.2.3 Effects of roughness
          4. 3.2.4 Effects of electric field
             1. 3.2.4.1 Homogeneous Nucleation
             2. 3.2.4.2 Heterogeneous Nucleation
    4. 4. Thermodynamic Analyses for Onset of Dropwise Condensation
       1. 4.1 Droplet condensation in pure vapor
       2. 4.2 Droplet condensation in moist air
    5. 5. Level-Set and VOF Simulations of Boiling and Condensation Heat Transfer
       1. 5.1 Boiling
       2. 5.2 Condensation
    6. 6. Lattice Boltzmann Simulations of Boiling Heat Transfer
       1. 6.1 The improved phase-change lattice Boltzmann model
          1. 6.1.1 The modified pseudo-potential LBM model for multiphase flows
          2. 6.1.2 Energy equation model
       2. 6.2 Bubble growth from a point heat source in pool boiling
       3. 6.3 Bubble growth from a point heat source in flow boiling
       4. 6.4 Bubble growth from multiple cavities in pool boiling
    7. 7. Lattice Boltzmann Simulations of Condensation Heat Transfer
       1. 7.1 Filmwise condensation
       2. 7.2 Dropwise condensation
    8. 8. CHF Models in Pool Boiling
       1. 8.1 Effects of contact angle
       2. 8.2 Effects of roughness
    9. 9. Concluding Remarks
    10. Acknowledgments
    11. References
12. Author Index
13. Subject Index (1/2)
14. Subject Index (2/2)