Calculate the overall transmittance for the roof shown below; does this roof meet Bahrain's regulations, 0.3 W/m².0? What can be done to enhance the performance of this roof?
Calculate the overall transmittance for the roof shown below; does this roof meet Bahrain's regulations, 0.3 W/m².0? What can be done to enhance the performance of this roof?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![Calculate the overall transmittance for the roof shown below, does
this roof meet Bahrain's regulations, 0.3 W/m².0? What can be
done to enhance the performance of this roof?
Concrete layer 50 mm. Thick.
Polyurethane 35 mm. thick
Hollow core slab 150 mm. thick.
k=1.45 W/m. C
k=0.024 W/ m."C
= 1.25W/m:0
Surface
resistance (Keat flow)
R
R
Rai
Direction of Flow
Wall m²KW
Roof m²KW
0.121
0.166
0.059
0.059
for cavity between 5-20mm 0.1.1- if cavity >20mm 0.18](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3213c585-3280-4882-949a-d0bccdd94029%2F3889b4e3-c71a-4a9a-80cb-c859e979d617%2F8mp46nd_processed.png&w=3840&q=75)
Transcribed Image Text:Calculate the overall transmittance for the roof shown below, does
this roof meet Bahrain's regulations, 0.3 W/m².0? What can be
done to enhance the performance of this roof?
Concrete layer 50 mm. Thick.
Polyurethane 35 mm. thick
Hollow core slab 150 mm. thick.
k=1.45 W/m. C
k=0.024 W/ m."C
= 1.25W/m:0
Surface
resistance (Keat flow)
R
R
Rai
Direction of Flow
Wall m²KW
Roof m²KW
0.121
0.166
0.059
0.059
for cavity between 5-20mm 0.1.1- if cavity >20mm 0.18
![Calculate the overall transmittance for the wall shown below, does
this wall meet Bahrain's regulations 0.57 W/m².C
12 mm outside plaster, k 0.75
200 mm Hollow blocks, k 0.885
45 mm polystyrene, k 0.03
12 mm inside plaster, k 0.75
Surface
resistance (Heat flow)
Ru
Rair
Direction of Flow
Wall m²KW
0.121
-0.059-
Roof m²KW
:0.166
:0:059
for cavity between 5-20mm 0.11-if cavity >20mm 0.18](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3213c585-3280-4882-949a-d0bccdd94029%2F3889b4e3-c71a-4a9a-80cb-c859e979d617%2Fxple2qo_processed.png&w=3840&q=75)
Transcribed Image Text:Calculate the overall transmittance for the wall shown below, does
this wall meet Bahrain's regulations 0.57 W/m².C
12 mm outside plaster, k 0.75
200 mm Hollow blocks, k 0.885
45 mm polystyrene, k 0.03
12 mm inside plaster, k 0.75
Surface
resistance (Heat flow)
Ru
Rair
Direction of Flow
Wall m²KW
0.121
-0.059-
Roof m²KW
:0.166
:0:059
for cavity between 5-20mm 0.11-if cavity >20mm 0.18
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 5 steps with 10 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
![Structural Analysis](https://compass-isbn-assets.s3.amazonaws.com/isbn_cover_images/9781337630931/9781337630931_smallCoverImage.jpg)
![Structural Analysis (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134610672/9780134610672_smallCoverImage.gif)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Principles of Foundation Engineering (MindTap Cou…](https://www.bartleby.com/isbn_cover_images/9781337705028/9781337705028_smallCoverImage.gif)
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
![Structural Analysis](https://compass-isbn-assets.s3.amazonaws.com/isbn_cover_images/9781337630931/9781337630931_smallCoverImage.jpg)
![Structural Analysis (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134610672/9780134610672_smallCoverImage.gif)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Principles of Foundation Engineering (MindTap Cou…](https://www.bartleby.com/isbn_cover_images/9781337705028/9781337705028_smallCoverImage.gif)
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
![Fundamentals of Structural Analysis](https://www.bartleby.com/isbn_cover_images/9780073398006/9780073398006_smallCoverImage.gif)
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
![Sustainable Energy](https://www.bartleby.com/isbn_cover_images/9781337551663/9781337551663_smallCoverImage.gif)
![Traffic and Highway Engineering](https://www.bartleby.com/isbn_cover_images/9781305156241/9781305156241_smallCoverImage.jpg)
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning