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This chapter provides a comprehensive overview of heat transfer modes, namely conduction, convection, and radiation, detailing their fundamental principles and governing laws. It exemplifies how these modes apply to everyday thermal equipment and presents the heat balance equation relevant for energy management in thermodynamic processes. The key concepts outlined assist in understanding the fundamental processes of heat transfer in various contexts, such as air conditioning and refrigeration.
References
Module I_ Modes of Heat Transfer.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Conduction
Definition: The transfer of heat through a solid or stationary fluid due to a temperature gradient, governed by Fourier’s Law.
Term: Convection
Definition: Heat transfer between a solid surface and a moving fluid, including both natural and forced convection, according to Newton’s Law of Cooling.
Term: Radiation
Definition: The emission of energy as electromagnetic waves that occurs due to temperature differences and does not require a medium, described by the Stefan–Boltzmann Law.
Term: Heat Balance Equation
Definition: An equation representing the rate of heat in, rate of heat out, and heat generated within a system to determine the rate of energy storage.