Convective Heat and Mass Transfer

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This course assumes that the students have undergone UG courses in Engineering Mathematics, Thermodynamics, Heat Transfer and Fluid Mechanics and are familiar with the use of experimentally derived CORRELATIONS for estimating heat/mass transfer coefficient in a variety of flow situations. The purpose of this course is to justify the basis and the form of these correlations on the basis of fundamental transport laws governing heat/mass transfer.
The treatment is highly mathematical and, through assignments, students are expected to formulate and solve problems to derive expressions for the heat/mass transfer coefficient in different situations. The course will interest students wishing to embark on a research career in heat/mass transfer.
Contents:
Definitions of Heat/Mass Transfer Coefficient, Main Flow Classifications, Transport Equations of Bulk Mass, Momentum, Energy and Sepcies transfer, Boundary Layer Theory and its approximations, Laminar and Turbulent External boundary layers with effects of Pressure Gradient, Wall thermal conditions, Viscous dissipation, Wall mass transfer. Similarity, Integral and Finite-difference solutions of boundary layer equations.
Developing Internal ( ducted ) flows within boundary layer approximations, Fully developed flows and heat transfer in non-circular ducts, use of superposition techniques. Turbulent Flows, laminar-turbulent transition, Universal law-of-the wall for smooth and rough surfaces, mixing-length and 2-equation models, the energy budget for boundary layer and fully-developed pipe flow.
Approximate theories of Mass Transfer , Stefan-Couette-Reynolds flow models, Applications to Inert mass transfer with and without heat transfer, Mass transfer with heterogeneous and homogeneous chemical reactions.

Course Curriculum

Introduction Details
Flow Classifications Details
Laws of Convection Details
Scalar Transport Equations Details
Laminar Boundary Layers Details
Similarity Method Details
Similaity Solution Velocity BL Details
Similaity Solns Temperature BL-I Details
Similaity Solution Temperature BL-II Details
Integral BL Equations Details
Integral Solns Laminar Velocity BL Details
Integral Solns Laminar Temperature BL Details
Superposition Theory Details
Laminar Internal Flows Details
Fully-Developed Laminar Flows- 1 Details
Fully-Developed Laminar Flows- 2 Details
Fully-Developed Laminar Flows Heat Transfer – 1 Details
Fully-Developed Laminar Flows Heat Transfer – 2 Details
Laminar Internal Developing Flows Heat Transfer Details
Superposition Technique Details
Nature of Turbulent Flows Details
Mod-01 Lec-22A Sustaining Mechanism of Turbulence- 1 Details
Mod-01 Lec-22B Sustaining Mechanism of Turbulence- 1 Details
Sustaining Mechanism of Turbulence- 2 Details
Near-Wall Turbulent Flows – 1 Details
Near-Wall Turbulent Flows – 2 Details
Turbulence Models – 1 Details
Turbulence Models – 2 Details
Turbulence Models – 3 Details
Prediction of Turbulent Flows Details
Prediction of Turbulent Heat Transfer Details
Convective Mass Transfer Details
Stefan Flow Model Details
Couette Flow Model Details
Reynolds Flow Model Details
Boundary Layer Flow Model Details
Evaluation of g and Nw Details
Diffusion Mass Transfer Problems Details
Convective MT Couette Flow Details
Convective MT Reynolds Flow Model – 1 Details
Convective MT Reynolds Flow Model – 2 Details
Natural Convection Details
Diffusion Jet Flames Details

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