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Unit | Contents | Lecture video filename | Remarks, if any |
---|---|---|---|
Conduction 1 |
Introduction to Heat Transfer description of modes of heat transfer; Fourier's law of conduction; Newton's law of cooling; Stefan-Boltzmann law; relationship with thermodynamics |
lec_01 | |
Conduction 1 |
Introduction to conduction steady-state conduction; thermal properties of matter: conductivity and diffusivity; heat diffusion equation |
lec_02 | |
Conduction 1 |
Governing equation for conduction boundary and initial conditions for the heat equation |
lec_03 | |
Conduction 2 |
1D conduction one-dimensional steady-state conduction: conduction in plane wall; thermal resistance; contact thermal resistance; conduction in cylinder and sphere |
lec_04 | |
Conduction 2 |
1D conduction - radial systems critical radius of insulation |
lec_05 | |
Conduction 2 |
Internal heat generation heat conduction with volumetric heat generation |
lec_06 | |
Conduction 3 |
Fins - 1 heat transfer from extended surfaces; heat transfer from fins of constant-cross section |
lec_07 | |
Conduction 3 |
Fins - 2 different boundary conditions for fins |
lec_08 | |
Conduction 3 |
Fins - 3 fin efficiency; fin effectiveness |
lec_09 | |
Conduction 4 |
Transient conduction - 0D lumped system analysis; Biot number |
lec_10 | |
Conduction 4 |
Transient conduction - 1D spatial effects of transient conduction; transient conduction in large plane walls, long cylinders, and spheres; Fourier number |
lec_11 | |
Conduction 4 |
Transient conduction - 1D transient heat conduction in semi-infinite solids; transient heat conduction in multi-dimensional systems |
lec_12 | |
Convection 1 |
Introduction to convection Newton's law of cooling; local and average heat transfer coefficients; no-temperature jump condition |
lec_13 | |
Convection 1 |
Convection terminology Nusselt number; external vs. internal flows; laminar vs. turbulent flows; thermal boundary layer; Prandtl number |
lec_14 | |
Convection 2 |
Fluid dynamics - 1 differential analysis of fluid flow; conservation of mass |
lec_15 | |
Convection 2 |
Fluid dynamics - 2 review of continuity equation; conservation of momentum equations |
lec_16 | |
Convection 2 |
Fluid dynamics - 3 conservation of momentum equations (contd.); relation between stress and rate of strain |
lec_17 | |
Convection 2 |
Fluid dynamics - 4 basics of turbulence |
lec_18 | |
Convection 2 |
Fluid dynamics - 5 Reynolds stresses and equation, universal velocity profile in a turbulent boundary layer |
lec_19 | |
Convection 3 |
Energy equation conservation of energy equation; principle of similarity |
lec_20 | |
Convection 3 |
Energy equation solutions non-dimensional form of equations; Reynolds analogy; Chilton-Colburn analogy |
lec_21 | |
Convection 4 |
External forced convection - 1 convection in external flows, solution of flow over flat plate using similarity variables |
lec_22 | |
Convection 4 |
External forced convection - 2 average heat transfer coefficient; correlations for flow over bluff bodies; Churchill and Bernstein correlation |
lec_23 | |
Convection 5 |
Internal forced convection - 1 convection in internal flows; flow within a circular pipe; bulk mean temperature |
lec_24 | |
Convection 5 |
Internal forced convection - 2 constant surface temperature and surface heat flux conditions; NTU and LMTD; friction factor and Nusselt number for aforementioned case; correlations for non-circular pipes |
lec_25 | |
Convection 5 |
Internal forced convection - 3 velocity profile and temperature profile for flow through circular pipe; Turbulent flow in tubes; Dittus-Boelter correlation |
lec_26 | |
Convection 6 |
Natural convection Boussinesq approximation; governing equation for natural convection and its solution using similarity variables; Grashoff number |
lec_27 | |
Radiation 1 |
Introduction to radiation electromagnetic spectrum; radiation emission; spectral and total; directional and diffuse; definition of solid angle |
lec_28 | |
Radiation 1 |
Radiation from a surface - 1 review of solid angle; radiation intensity; irradiation; radiosity |
lec_29 | |
Radiation 1 |
Radiation from a surface - 2 review of total and spectral quantities |
lec_30 | |
Radiation 2 |
Blackbody - 1 blackbody properties; Stefan-Boltzmann law; Planck distribution |
lec_31 | |
Radiation 2 |
Blackbody - 2 Wien's displacement law; band emission |
lec_32 | |
Radiation 2 |
Real surfaces - 1 real surfaces; emissivities of real surfaces; absorptivity, reflectivity and transmissivity |
lec_33 | |
Radiation 3 |
Real surfaces - 2 Kirchoff's law; gray surface |
lec_34 | |
Radiation 3 |
Radiation between bodies - 1 radiation exchange between surfaces; view factor; more on view factor |
lec_35 | |
Radiation 4 |
Radiation between bodies - 2 net radiation to or from surfaces; re-radiating surfaces; net radiation between surfaces; methods of solving radiation problems |
lec_36 | |
Radiation 5 |
Radiation between bodies - 3 radiation in three-surface enclosures; radiation shields; radiation effects |
lec_37 | |
Heat exchangers |
Heat exchangers: LMTD method types of heat exchanger; overall heat transfer coefficient; fouling; energy balance in parallel and counter-flow heat exchangers; LMTD method |
lec_38 | |
Heat exchangers |
Heat exchangers: ε-NTU method ε-NTU method |
lec_39 | |
Boiling |
Boiling - 1 boiling phenomena; pool and flow boiling |
lec_40 | |
Boiling |
Boiling - 2 boiling regimes; boiling curve |
lec_41 | |
Condensation |
Condensation condensers in engineering use; film condensation; drop condensation; condensation on a vertical wall with laminar flow, wavy laminar flow, and turbulent flow |
lec_42 |
The lecture videos and slides are courtesy of Prof. S. V. Prabhu. The video lectures are from an ISTE workshop held at IIT Bombay, conducted by Profs. S. V. Prabhu and Arunkumar Shridharan. The videos are also available under a Creative Commons licence on YouTube. The contributions of the original creators are gratefully acknowledged.