One side of a 20 cm thick stainless-steel wall (k1 = 45 W/m K) is subjected to a gas at 200°C, 110 W/m² K and the other side is insulated with a layer of 15 cm fiberglass (k2 = 10 W/m K). The outside of the fiberglass is subjected to air at 35° C and 30 W/m² K. Determine the rate of heat transfer through the wallI, draw equivalent electrical circuit diagram and also find the intermediate and surface temperatures of the wall. Take area of the wall as 1 m2. T , h T1 K=45 Wm K W/m K K=10 T2 T3 Te , he 20 cm 15 cm
One side of a 20 cm thick stainless-steel wall (k1 = 45 W/m K) is subjected to a gas at 200°C, 110 W/m² K and the other side is insulated with a layer of 15 cm fiberglass (k2 = 10 W/m K). The outside of the fiberglass is subjected to air at 35° C and 30 W/m² K. Determine the rate of heat transfer through the wallI, draw equivalent electrical circuit diagram and also find the intermediate and surface temperatures of the wall. Take area of the wall as 1 m2. T , h T1 K=45 Wm K W/m K K=10 T2 T3 Te , he 20 cm 15 cm
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:One side of a 20 cm thick stainless-steel wall (k1 = 45 W/m K) is subjected to a gas at 200°C, 110 W/m2 K and
the other side is insulated with a layer of 15 cm fiberglass (k2 = 10 W/m K). The outside of the fiberglass is
subjected to air at 35° C and 30 W/m2 K. Determine the rate of heat transfer through the wall, draw equivalent
electrical circuit diagram and also find the intermediate and surface temperatures of the wall. Take area of the
wall as 1 m2.
, h
T1 K=45
Wim K W/m K
K=10
|T2
|T3
To , he
20 cm
cm
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