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What is the thermal conductivity of bricks (in W/(m · K))? on each of these

What is the thermal conductivity of bricks (in W/(m · K))? on each of these

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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What is the thermal conductivity of bricks (in W/(m · K))? on each of these

Calculate the R-value for the following materials. (a) 3 in. thick brick What is the thermal conductivity of bricks (in W/(mK))? W/(mK) What is the thickness of the brick in meters? 0.0762 What is the R-value (in m² K/W)? 0.0762 m². (b) 11 cm thick brick m What is the thickness of the brick in meters? 0.11 m What is the R-value (in m². K/W)? 0.1100 m². K/W (c) 15 in. thick concrete slab What is the thermal conductivity of concrete (in W/(mK))? 0.2721 W/(mK) What is the thickness of the concrete slab in meters? 0.3809998 • K/W m What is the R-value (in m2 0.0500 m². K/W)? m². K/W (d) 22 cm thick concrete slab What is the thickness of the concrete slab in meters? 0.22 m What is the R-value (in m². K/W)? m². K/W 0.1571 (e) 1 cm thick human fat layer What is the thermal conductivity of human fat layer (in W/(mK))? W/(mK) What is the thickness of the human fat layer in meters? 0.01 m . What is the R-value (in m² K/W)? m². K/W
Transcribed Image Text:Calculate the R-value for the following materials. (a) 3 in. thick brick What is the thermal conductivity of bricks (in W/(mK))? W/(mK) What is the thickness of the brick in meters? 0.0762 What is the R-value (in m² K/W)? 0.0762 m². (b) 11 cm thick brick m What is the thickness of the brick in meters? 0.11 m What is the R-value (in m². K/W)? 0.1100 m². K/W (c) 15 in. thick concrete slab What is the thermal conductivity of concrete (in W/(mK))? 0.2721 W/(mK) What is the thickness of the concrete slab in meters? 0.3809998 • K/W m What is the R-value (in m2 0.0500 m². K/W)? m². K/W (d) 22 cm thick concrete slab What is the thickness of the concrete slab in meters? 0.22 m What is the R-value (in m². K/W)? m². K/W 0.1571 (e) 1 cm thick human fat layer What is the thermal conductivity of human fat layer (in W/(mK))? W/(mK) What is the thickness of the human fat layer in meters? 0.01 m . What is the R-value (in m² K/W)? m². K/W
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