Layers %R AT Surface Ts 1. Inside air film 200 0.037 2. hardboard, medium density 25mm 0.073 3. concrete blocks, rectangular core:lightweight aggregate 2 core 200mm 0.118 4. expanded poystyrene molded beads 100mm 0.764 5. Outside air film in vented cavity 0.009

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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Layers
%R
AT Surface Ts
1. Inside air film
20
0.037
2. hardboard, medium density 25mm
0.073
3. concrete blocks, rectangular core:lightweight aggregate 2 core 200mm
0.118
4. expanded poystyrene molded beads 100mm
0.764
5. Outside air film in vented cavity
0.009
What is the AT of the above shown wall for layer 4 (expanded polystyrene molded beads 100mm)? The
inside air temperature is +20°C, and the outside air temperature is -4°C. The units for your answer are
°C, and your answer is correct if it is within 10% of the correct answer.
Transcribed Image Text:Layers %R AT Surface Ts 1. Inside air film 20 0.037 2. hardboard, medium density 25mm 0.073 3. concrete blocks, rectangular core:lightweight aggregate 2 core 200mm 0.118 4. expanded poystyrene molded beads 100mm 0.764 5. Outside air film in vented cavity 0.009 What is the AT of the above shown wall for layer 4 (expanded polystyrene molded beads 100mm)? The inside air temperature is +20°C, and the outside air temperature is -4°C. The units for your answer are °C, and your answer is correct if it is within 10% of the correct answer.
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