165mm W/m?-K ulated with several materials, and convection on the inside and outside of the pipe is a 's. Oil inside is at 118°C and air outside is at 25°C erial KA or h 10.256 W/m2-K 2.369 W/m2-K 0.257 W/m2-K h=120.3T2/3 (T in K) h=0.272/3 (T in K) Thickness 25mm 30mm 40mm nside putside mine the heat losses of the pipe, and what must be the temperature of the oil to decreas eat losses by 20%?
165mm W/m?-K ulated with several materials, and convection on the inside and outside of the pipe is a 's. Oil inside is at 118°C and air outside is at 25°C erial KA or h 10.256 W/m2-K 2.369 W/m2-K 0.257 W/m2-K h=120.3T2/3 (T in K) h=0.272/3 (T in K) Thickness 25mm 30mm 40mm nside putside mine the heat losses of the pipe, and what must be the temperature of the oil to decreas eat losses by 20%?
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.64P
Related questions
Question
![2. A pipe with:
ID: 130mm
OD: 165mm
k=15 W/m?-K
L= 2m
is insulated with several materials, and convection on the inside and outside of the pipe is as
follows. Oil inside is at 118°C and air outside is at 25°C
KA or h
10.256 W/m2-K
Material
Thickness
A
25mm
В
2.369 W/m2-K
30mm
C
0.257 W/m2-K
40mm
h=120.3T2/3 (T in K)
h=0.272/3 (T in K)
Oil inside
Air outside
Determine the heat losses of the pipe, and what must be the temperature of the oil to decrease
the heat losses by 20%?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3530b4a0-10c2-4137-a405-78a299826fc5%2Fbac1d2b3-32d3-4749-8581-dd7e4737f240%2F8ymivp_processed.png&w=3840&q=75)
Transcribed Image Text:2. A pipe with:
ID: 130mm
OD: 165mm
k=15 W/m?-K
L= 2m
is insulated with several materials, and convection on the inside and outside of the pipe is as
follows. Oil inside is at 118°C and air outside is at 25°C
KA or h
10.256 W/m2-K
Material
Thickness
A
25mm
В
2.369 W/m2-K
30mm
C
0.257 W/m2-K
40mm
h=120.3T2/3 (T in K)
h=0.272/3 (T in K)
Oil inside
Air outside
Determine the heat losses of the pipe, and what must be the temperature of the oil to decrease
the heat losses by 20%?
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 2 steps with 2 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, mechanical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
![Principles of Heat Transfer (Activate Learning wi…](https://www.bartleby.com/isbn_cover_images/9781305387102/9781305387102_smallCoverImage.gif)
Principles of Heat Transfer (Activate Learning wi…
Mechanical Engineering
ISBN:
9781305387102
Author:
Kreith, Frank; Manglik, Raj M.
Publisher:
Cengage Learning
![Principles of Heat Transfer (Activate Learning wi…](https://www.bartleby.com/isbn_cover_images/9781305387102/9781305387102_smallCoverImage.gif)
Principles of Heat Transfer (Activate Learning wi…
Mechanical Engineering
ISBN:
9781305387102
Author:
Kreith, Frank; Manglik, Raj M.
Publisher:
Cengage Learning