Lesson - NPTEL

Lesson 7 Review of fundamentals: heat and Mass transfer Version 1 ME, IIT Kharagpur The objective of this Lesson is to review fundamentals of heat and mass transfer and discuss: 1. Conduction heat transfer with governing equations for heat conduction, concept of thermal conductivity with typical values, introduce the concept of heat transfer resistance to conduction 2. Radiation heat transfer and present Planck s law, Stefan-Boltzmann equation, expression for radiative exchange between surfaces and the concept of radiative heat transfer resistance 3. Convection heat transfer, concept of hydrodynamic and thermal boundary layers, Newton s law of cooling, convective heat transfer coefficient with typical values, correlations for heat transfer in forced convection, free convection and phase change, introduce various non-dimensional numbers 4. Basics of mass transfer Fick s law and convective mass transfer 5.

The objective of this lesson is to review fundamentals of heat and mass transfer and discuss: 1. Conduction heat transfer with governing equations for heat conduction,

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