A device contains a set of aluminum fins (k = 180 w/m.k) that are to be fitted to a small air compressor. The device dissipates 1 kw convicting to the surrounding air which is 20 °C. Each fin is 100 mm long, 30 mm high and 5 mm thick. The tip of each fin maybe assumed to be adiabatic and a heat transfer coefficient h = 15 w/m2.k acts over the remaining surface. %3D • Estimate the number of fins required to ensure the base temperature not exceed 120 °C. • Calculate the fin efficiency.
A device contains a set of aluminum fins (k = 180 w/m.k) that are to be fitted to a small air compressor. The device dissipates 1 kw convicting to the surrounding air which is 20 °C. Each fin is 100 mm long, 30 mm high and 5 mm thick. The tip of each fin maybe assumed to be adiabatic and a heat transfer coefficient h = 15 w/m2.k acts over the remaining surface. %3D • Estimate the number of fins required to ensure the base temperature not exceed 120 °C. • Calculate the fin efficiency.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Q1/
A device contains a set of aluminum fins (k = 180 w/m.k) that are to be fitted
to a small air compressor. The device dissipates 1 kw convicting to the
surrounding air which is 20 °C. Each fin is 100 mm long, 30 mm high and 5 mm
thick. The tip of each fin maybe assumed to be adiabatic and a heat transfer
coefficient h = 15 w/m2.k acts over the remaining surface.
• Estimate the number of fins required to ensure the base temperature not
exceed 120 °C.
• Calculate the fin efficiency.
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