Considering fins with adiabatic tips, plot the fin efficiency, n,, as a function of length (from 1 to 20 cm) for fins made of Inconel 625 (a high temperature alloy of k = 20 W/m-K) with the following geometries: a. A rectangular straight fin with a width of 5 cm and a thickness of 0.5 cm b. A parabolic straight fin with a width of 5 cm and a thickness of 0.5 cm at the base. c. A rectangular pin fin (cylindrical) with a diameter of 1.8 cm. d. A triangular pin fin with a diameter of 1.8 cm at the base. For (a-d) assume that the convection coefficient is h= 8 W/m²-K in all circumstances. For better comparison, please plot all four cases in the same graph. Comment on the general rules for fin selection if you need to design a fin system.

Considering fins with adiabatic tips, plot the fin efficiency, n,, as a function of length (from 1 to 20 cm) for fins made of Inconel 625 (a high temperature alloy of k = 20 W/m-K) with the following geometries: a. A rectangular straight fin with a width of 5 cm and a thickness of 0.5 cm b. A parabolic straight fin with a width of 5 cm and a thickness of 0.5 cm at the base. c. A rectangular pin fin (cylindrical) with a diameter of 1.8 cm. d. A triangular pin fin with a diameter of 1.8 cm at the base. For (a-d) assume that the convection coefficient is h= 8 W/m²-K in all circumstances. For better comparison, please plot all four cases in the same graph. Comment on the general rules for fin selection if you need to design a fin system.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter2: Steady Heat Conduction

Section: Chapter Questions

Problem 2.38P: 2.38 The addition of aluminum fins has been suggested to increase the rate of heat dissipation from...

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