Heat and Mass TransferThis textbook presents the classical treatment of the problems of heat transfer in an exhaustive manner with due emphasis on understanding of the physics of the problems. This emphasis will be especially visible in the chapters on convective heat transfer. Emphasis is also laid on the solution of steady and unsteady two-dimensional heat conduction problems. Another special feature of the book is a chapter on introduction to design of heat exchangers and their illustrative design problems. A simple and understandable treatment of gaseous radiation has been presented. A special chapter on flat plate solar air heater has been incorporated that covers mathematical modeling of the air heater. The chapter on mass transfer has been written looking specifically at the needs of the students of mechanical engineering. The book includes a large number and variety of solved problems with supporting line diagrams. A number of application-based examples have been incorporated where applicable. The end-of-chapter exercise problems are supplemented with stepwise answers. Though the book has been primarily designed to serve as a complete textbook for undergraduate and graduate students of mechanical engineering, it will also be useful for students of chemical, aerospace, automobile, production, and industrial engineering streams. The book fully covers the topics of heat transfer coursework and can also be used as an excellent reference for students preparing for competitive graduate examinations. |
Contents
| 1 | |
| 7 | |
3 Extended Surfaces Fins | 113 |
4 Conduction with Heat Generation | 195 |
5 SteadyState TwoDimensional Heat Conduction | 253 |
6 Unsteady or Transient Heat Conduction | 329 |
7 Convective Heat Transfer | 413 |
8 Empirical Relations for Forced Convection Heat Transfer | 564 |
12 Heat Transfer in Absorbing and Emitting Media Gaseous Radiation | 903 |
13 Heat Transfer in Condensing Vapours and Boiling Liquids | 931 |
14 Heat Exchangers | 966 |
15 Mass Transfer | 1041 |
Performance of Solar Air Heater | 1067 |
Appendix_1 | 1093 |
Appendix_2 | 1102 |
Bibliography for Further Reading | 1137 |
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Common terms and phrases
average heat transfer Biot number blackbody boundary conditions boundary layer C₁ condensation constant convection heat transfer correlation cylinder Determine diameter duct emissive power energy Example film temperature flat plate flow rate fluid free convection friction factor fully developed heat conduction heat exchange heat flow heat flux heat loss heat transfer coefficient heat transfer rate Hence insulation kg/m³ laminar flow length liquid mass flow rate nodal equation node Nusselt number outer surface overall heat pipe Prandtl number qfin r₁ radiation heat radius rate of heat refer Fig resistance Reynolds number shape factor shear stress shown in Fig sinh skin friction Solution surface temperature t₁ temperature distribution thermal conductivity thermocouple thickness TP+1 tube turbulent flow vapour velocity profile vertical viscosity W/(m² K W/m² δε Δτ ду дх