Engine oil is heated by flowing through a circular tube of Diameter D= 50 mm, length L= 25, and whose surface is maintained at 150 Deg. C. If the flow rate and inlet temperature of the oil are 0.5 Kg/s and 20 Deg.C Use the following properties: p= 852 kg/m³, o-u/p-37.5 x10-6 m²/s, k=138x10-3 W/m.K, Pr = 490, Cp 2131 J/kg.K, u px 0= 0.032 kg/m.s m = 0.5 kg/s Engine Oil Tml = 20 C DIA = 0.05 m 9 Ts= 150 C L = 25 m Tm,o= ? Based on the above information. 1. Find Rep 2. Based on the value of Rep, what type of flow do we have? 3. Determine the outlet mean temperature Tm.o, with the average heat transfer coefficient = 33.12 W/m 2.K
Engine oil is heated by flowing through a circular tube of Diameter D= 50 mm, length L= 25, and whose surface is maintained at 150 Deg. C. If the flow rate and inlet temperature of the oil are 0.5 Kg/s and 20 Deg.C Use the following properties: p= 852 kg/m³, o-u/p-37.5 x10-6 m²/s, k=138x10-3 W/m.K, Pr = 490, Cp 2131 J/kg.K, u px 0= 0.032 kg/m.s m = 0.5 kg/s Engine Oil Tml = 20 C DIA = 0.05 m 9 Ts= 150 C L = 25 m Tm,o= ? Based on the above information. 1. Find Rep 2. Based on the value of Rep, what type of flow do we have? 3. Determine the outlet mean temperature Tm.o, with the average heat transfer coefficient = 33.12 W/m 2.K
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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![Engine oil is heated by flowing through a circular tube of Diameter D= 50 mm, length L= 25, and
whose surface is maintained at 150 Deg. C. If the flow rate and inlet temperature of the oil are 0.5
Kg/s and 20 Deg.C
Use the following properties: p= 852 kg/m³, o-u/p-37.5 x10-6 m²/s, k=138x10-3 W/m.K, Pr =
490, C₂= 2131 J/kg.K. u= px 0= 0.032 kg/m.s
m = 0.5 kg/s
Engine Oil
Tml = 20 C
DIA = 0.05 m
9
Ts = 150 C
L = 25 m
Tmo?
Based on the above information.
1. Find Rep
2. Based on the value of Rep, what type of flow do we have?
3. Determine the outlet mean temperature Tm.o, with the average heat transfer coefficient =
33.12 W/m^2.K](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fac790e93-788a-4b5e-a765-f34f1545c8c4%2F2b301a79-fd06-4fe2-a41b-1f3cdd77d77c%2Fwjzihle_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Engine oil is heated by flowing through a circular tube of Diameter D= 50 mm, length L= 25, and
whose surface is maintained at 150 Deg. C. If the flow rate and inlet temperature of the oil are 0.5
Kg/s and 20 Deg.C
Use the following properties: p= 852 kg/m³, o-u/p-37.5 x10-6 m²/s, k=138x10-3 W/m.K, Pr =
490, C₂= 2131 J/kg.K. u= px 0= 0.032 kg/m.s
m = 0.5 kg/s
Engine Oil
Tml = 20 C
DIA = 0.05 m
9
Ts = 150 C
L = 25 m
Tmo?
Based on the above information.
1. Find Rep
2. Based on the value of Rep, what type of flow do we have?
3. Determine the outlet mean temperature Tm.o, with the average heat transfer coefficient =
33.12 W/m^2.K
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