Engine oil is heated by flowing through a circular tube of Diameter D= 50 mm, length L= 25, andwhose surface is maintained at 150 Deg. C. If the flow rate and inlet temperature of the oil are 0.5Kg/s and 20 Deg.CUse 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.sm = 0.5 kg/sEngine OilTml = 20 CDIA = 0.05 m9Ts = 150 CL = 25 mTmo?Based on the above information.1. Find Rep2. 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

Given data Mass flow rate = 0.5(kg/s) Diameter = 50mm Inlet mean temperature = 30°C Surface…

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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Concept explainers

Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.

Question

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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