Mass and Heat Transfer: Analysis of Mass Contactors and Heat Exchangers

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  • Edition: 1st
  • Format: Hardcover
  • Copyright: 2008-02-11
  • Publisher: Cambridge University Press

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Supplemental Materials

What is included with this book?


This text allows instructors to teach a course on heat and mass transfer that will equip students with the pragmatic, applied skills required by the modern chemical industry. This new approach is a combined presentation of heat and mass transfer, maintaining mathematical rigor while keeping mathematical analysis to a minimum. This allows students to develop a strong conceptual understanding, and teaches them how to become proficient in engineering analysis of mass contactors and heat exchangers and the transport theory used as a basis for determining how the critical coefficients depend upon physical properties and fluid motions. Students will first study the engineering analysis and design of equipment important in experiments and for the processing of material at the commercial scale. The second part of the book presents the fundamentals of transport phenomena relevant to these applications. A complete teaching package includes a comprehensive instructor's guide, exercises, design case studies, and project assignments.

Author Biography

Norman J. Wagner is the Alvin B. and Julia O. Stiles Professor and Chair of the Department of Chemical Engineering at the University of Delaware.

Table of Contents

Prefacep. xiii
To the Studentp. xv
Acknowledgmentsp. xix
Instructors' and Readers' Guidep. xxi
Introductionp. 3
Referencesp. 19
Chemical Reactor Analysisp. 20
The Batch Reactorp. 21
Chemical Equilibriump. 25
Reaction Rate and Determination by Experimentp. 26
Rate Expressionp. 26
Approach to Equilibriump. 32
Tank-Type Reactorsp. 33
Batch Reactorsp. 34
Semibatch Reactorsp. 34
Continuous Flowp. 37
Tubular Reactorsp. 42
Reactor Energy Balancep. 47
Referencesp. 51
Problemsp. 51
Heat Exchanger Analysisp. 55
Batch Heat Exchangersp. 56
Level I Analysisp. 57
Level II Thermal Equilibriump. 58
Rate of Heat Transfer and Determination by Experimentp. 60
Rate Expressionp. 61
Approach to Equilibriump. 65
Tank-Type Heat Exchangersp. 67
Batch Heat Exchangerp. 68
Semibatch Heat Exchangerp. 68
Mixed-Mixed Fluid Motionsp. 69
Mixed-Plug Fluid Motionsp. 72
Continuous-Flow Tank-Type Heat Exchangersp. 74
Mixed-Mixed Fluid Motionsp. 74
Mixed-Plug Fluid Motionsp. 78
Tubular Heat Exchangersp. 79
Cocurrent Flowp. 81
Countercurrent Flow-Double-Pipe Heat Exchangerp. 88
Technically Feasible Heat Exchanger Designp. 94
Design Procedurep. 96
Referencesp. 102
Problemsp. 103
Energy Balancep. 109
Mass Contactor Analysisp. 114
Batch Mass Contactorsp. 118
Level I Analysisp. 119
Level II Analysis, Phase Equilibriump. 120
Rate of Mass Transfer and Determination by Experimentp. 125
Rate Expressionp. 127
Approach to Equilibriump. 132
Tank-Type Two-Phase Mass Contactorsp. 134
Batch Mass Contactorsp. 135
Semibatch Mass Contactorsp. 137
Mixed-Mixed Fluid Motionsp. 138
Mixed-Plug Fluid Motionsp. 139
Continuous-Flow Two-Phase Mass Contactorsp. 143
Mixed-Mixed Fluid Motionsp. 144
Design of a Continuous Mixed-Mixed Mass Contactorp. 146
Mixed-Plug Fluid Motionsp. 153
Tubular Two-Phase Mass Contactorsp. 156
Cocurrent Flowp. 158
Countercurrent Flowp. 159
Gas-Liquid Countercurrent Contactorsp. 164
Continuous-Flow Mass Contactor Design Summaryp. 168
Referencesp. 175
Problemsp. 175
"Log-Mean" Concentration Differencep. 178
Equivalence Between Heat and Mass Transfer Model Equationsp. 180
Nomenclature for Part Ip. 181
Conduction and Diffusionp. 187
Rate of Thermal Conductionp. 187
Experimental Determination of Thermal Conductivity k and Verification of Fourier's Constitutive Equationp. 187
Definition of the Biot Number for Heat Transferp. 195
Definition of the Nusselt Numberp. 199
Rate of Molecular Diffusionp. 201
Experimental Determination of Binary Diffusivities D[subscript AB] and Verification of Fick's Constitutive Equationp. 201
Definition of the Biot Number for Mass Transferp. 206
Definition of the Sherwood Numberp. 208
Geometric Effects on Steady Heat Conduction and Diffusion in Solids and Quiescent Fluidsp. 209
One-Dimensional Heat Conduction in Nonplanar Geometriesp. 209
One-Dimensional Diffusion in a Conical Geometryp. 211
Conduction and Diffusion Through Composite Layered Materials in Seriesp. 212
Overall Heat Transfer Coefficient for Composite Walls: Resistance Formulationp. 212
Overall Heat Transfer Coefficient for a Tubular Exchangerp. 217
Overall Mass Transfer Coefficient for Diffusion Through a Composite Wallp. 220
Molecular Conduction and Diffusion with Generationp. 222
Radial Heat Conduction with Generationp. 222
Diffusion with Chemical Reactionp. 224
Diffusion-Induced Convection: The Arnold Cellp. 225
Basics of Membrane Diffusion: The Sorption-Diffusion Modelp. 230
Transient Conduction and Diffusionp. 231
Short-Time Penetration Solutionp. 233
Small Biot Numbers-Lumped Analysisp. 235
Nomenclaturep. 236
Important Dimensionless Groupsp. 238
Referencesp. 239
Problemsp. 240
Convective Heat and Mass Transferp. 246
The Differential Transport Equations for Fluids with Constant Physical Properties in a Laminar Boundary Layerp. 247
Mass Conservation-Continuity Equationp. 248
Momentum Transport-Navier-Stokes Equationp. 249
Energy Conservationp. 250
Species Mass Conservationp. 252
Boundary-Layer Analysis and Transport Analogiesp. 254
Laminar Boundary Layerp. 254
Reynolds Transport Analogyp. 257
Effects of Material Properties: The Chilton-Colburn Analogyp. 260
Turbulent Boundary Layersp. 263
Transport Correlations for Specific Geometriesp. 264
Models for Estimating Transport Coefficients in Fluid-Fluid Systemsp. 273
Film Theoryp. 273
Penetration Theoryp. 273
Surface Renewal Theoryp. 278
Interphase Mass Transferp. 279
Summary of Convective Transport Coefficient Estimationsp. 281
Heat Exchangersp. 281
Mass Contactorsp. 284
Nomenclaturep. 286
Referencesp. 287
Problemsp. 287
Derivation of the Transport Equationsp. 293
Vector Notationp. 299
Estimation of the Mass Transfer Coefficient and Interfacial Area in Fluid-Fluid Mass Contactorsp. 301
Estimation of Bubble and Drop Sizep. 304
Tank-Type Mass Contactorsp. 307
Mixed-Mixed Interfacial Area Estimationp. 307
Mixed-Mixed K[subscript m] Estimationp. 309
Mixed-Plug Area Estimationp. 309
Mixed-Plug K[subscript m] Estimationp. 313
Tubular Contactorsp. 316
Cocurrent Area Estimationp. 316
Cocurrent K[subscript m] Estimationp. 318
Countercurrent Area Estimationp. 318
Countercurrent K[subscript m] Estimationp. 320
Nomenclaturep. 320
Referencesp. 321
Problemsp. 322
Bubble and Drop Breakagep. 323
Technically Feasible Design Case Studiesp. 327
Technically Feasible Design of a Heat Exchangerp. 328
Technically Feasible Design of a Countercurrent Mass Contactorp. 335
Analysis of a Pilot-Scale Bioreactorp. 345
Nomenclaturep. 353
Referencesp. 354
Problemsp. 354
Indexp. 363
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