1CHME 333 Workbook Chapter 3 – One-dimensional, Steady State Conduction Heat Transfer from Extended Surfaces (Fins) •Objectives oUnderstand how to apply HDE, simplifying assumptions, and boundary conditions to heat transfer from extended surfaces oPerform calculations for single fins and for arrays of fins. •Introduction In the latter part of Chapter 3 we will consider heat transfer from extended surfaces. An extended surface (also know as a combined conduction-convection system or a fin) is a solid within which heat transfer by conduction is assumedto be one dimensional, while heat is also transferred by convection (and/or radiation) from the surface in a direction transverse to that of conduction. Extended surfaces, or fins, are used to enhance heat transfer primarily for systems where the fluid is a gas. There are numerous applications of fins in daily life – engine radiators, computer chips, air conditioners, refrigerators, heater cores, etc. •Review– solving these problems will use the same methodology as previous sections in Chapter 3 o_________________________________________________________o_________________________________________________________o_________________________________________________________
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