Convective Heat Transfer

Convective Heat Transfer. Instructor: Dr. Arup Kumar Das, Department of Mechanical and Industrial Engineering, IIT Roorkee. Convection is a major mode of heat transfer when fluid is attached with the source. Processes of convection are fundamental and linked up with fluid mechanics laws and derivations of thermodynamics. Convective heat transfer has its wide horizon spreading from flow over a flat plate under constant heat flux or constant temperature boundary conditions to thermally developing or developed flow inside a duct. Moreover convection theories will widely vary depending on medium flow field which differentiates forced flow and natural gravity driven heat transfer modes. Convective heat transfer takes a major role in phase change heat transfer as well as mass transfer analogies in chemical processes. Present course targets fundamental understanding of all these facets with derivations and mathematical examples. (from

Lecture 17 - Rayleigh-Benard Convection

Establish concept of convection between two large parallel plates. Derive basic state and disturbed state equations with necessary boundary conditions. Use normal mode stability analysis and discuss about temporal and spatial stability. Discuss about critical Rayleigh number and neutral stability.

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Lecture 01 - Introduction
Lecture 02 - Balance of Total Energy
Lecture 03 - Different Forms of Thermal Energy Equation
Lecture 04 - Thermal Boundary Layer
Lecture 05 - Forced Convection: Low Prandtl Number over a Flat Plate
Lecture 06 - Forced Convection: High Prandtl Number over a Flat Plate
Lecture 07 - Forced Convection over a Flat Plate: Uniform Heat Flux
Lecture 08 - Natural Convection: Uniform Wall Temperature
Lecture 09 - Natural Convection: Uniform Heat Flux
Lecture 10 - Tutorial: Convection over Flat Plate
Lecture 11 - Forced Convection in Ducts
Lecture 12 - Thermally Developed Slug Flow in a Duct
Lecture 13 - Thermally and Hydrodynamically Developed Flow: Uniform Heat Flux
Lecture 14 - Thermally and Hydrodynamically Developed Flow: Uniform Wall Temperature
Lecture 15 - Thermal Entrance Region: Uniform Wall Temperature
Lecture 16 - Thermal Entrance Region: Uniform Heat Flux
Lecture 17 - Rayleigh-Benard Convection
Lecture 18 - Heat Transfer with Phase Change
Lecture 19 - Mass Transfer
Lecture 20 - Tutorial: Convection inside Mass Transfer