Through a laboratory experiment it was determined that the heat flow through a wall of an unknown material, the thickness of which is 1 cm, is 38 kW / m². Fluids A and B (liquid) pass on each side of this wall as shown in the figure below. Fluid A has a temperature of 400 K and fluid B of 300 K. Assuming that the convective heat transfer coefficient on side A of the wall is 3,000 W / (m² · K) and side B is 5,000 W / (m² · K) and that the other surfaces are perfectly insulated determine the thermal conductivity of the wall.
Through a laboratory experiment it was determined that the heat flow through a wall of an unknown material, the thickness of which is 1 cm, is 38 kW / m². Fluids A and B (liquid) pass on each side of this wall as shown in the figure below. Fluid A has a temperature of 400 K and fluid B of 300 K. Assuming that the convective heat transfer coefficient on side A of the wall is 3,000 W / (m² · K) and side B is 5,000 W / (m² · K) and that the other surfaces are perfectly insulated determine the thermal conductivity of the wall.
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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Through a laboratory experiment it was determined that the heat flow through a wall of an unknown material, the thickness of which is 1 cm, is 38 kW / m². Fluids A and B (liquid) pass on each side of this wall as shown in the figure below. Fluid A has a temperature of 400 K and fluid B of 300 K. Assuming that the convective heat transfer coefficient on side A of the wall is 3,000 W / (m² · K) and side B is 5,000 W / (m² · K) and that the other surfaces are perfectly insulated determine the thermal conductivity of the wall. Provide the answer (thermal conductivity of the material) to two decimal places in W / m · K. Consider that the heat flow through this system is 41 kW / m².
Transcribed Image Text:Fluido A
Material desconhecido
Fluido B
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