Q3 For a university building, steam at 150°C for heating is supplied from a remote boiler house through a 35m length of insulated pipe over the road at first floor level. The pipe has an inside diameter of 0.15m with a wall thickness of 10mm and conductivity of 48 W/(m.K). The insulation is 50 mm thick with a conductivity of 0.87 W/(m.K). (a) State Fourier's law of conduction for an infinitely long cylinder and define the terminology used. (b) Calculate the heat loss when the atmospheric temperature is -5°C and the heat transfer coefficients between the steam and pipe and from the insulation to the atmosphere are 2.84 and 34.1 kW/(m2.K) respectively
Q3 For a university building, steam at 150°C for heating is supplied from a remote boiler house through a 35m length of insulated pipe over the road at first floor level. The pipe has an inside diameter of 0.15m with a wall thickness of 10mm and conductivity of 48 W/(m.K). The insulation is 50 mm thick with a conductivity of 0.87 W/(m.K). (a) State Fourier's law of conduction for an infinitely long cylinder and define the terminology used. (b) Calculate the heat loss when the atmospheric temperature is -5°C and the heat transfer coefficients between the steam and pipe and from the insulation to the atmosphere are 2.84 and 34.1 kW/(m2.K) respectively
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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Part a and b
![Q3 For a university building, steam at 150°C for heating is supplied from a remote boiler
house through a 35m length of insulated pipe over the road at first floor level. The
pipe has an inside diameter of 0.15m with a wall thickness of 10mm and conductivity
of 48 W/(m.K). The insulation is 50 mm thick with a conductivity of 0.87 W/(m.K).
(a) State Fourier's law of conduction for an infinitely long cylinder and define the
terminology used.
(b) Calculate the heat loss when the atmospheric temperature is -5°C and the heat
transfer coefficients between the steam and pipe and from the insulation to the
atmosphere are 2.84 and 34.1 kW/(m²2.K) respectively](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3b5a8aad-aee4-4e06-a5a0-ea3c8b1c905d%2Ff0cd0a4d-36c4-4e21-af6f-e3cb753ce3c5%2F30i7zc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q3 For a university building, steam at 150°C for heating is supplied from a remote boiler
house through a 35m length of insulated pipe over the road at first floor level. The
pipe has an inside diameter of 0.15m with a wall thickness of 10mm and conductivity
of 48 W/(m.K). The insulation is 50 mm thick with a conductivity of 0.87 W/(m.K).
(a) State Fourier's law of conduction for an infinitely long cylinder and define the
terminology used.
(b) Calculate the heat loss when the atmospheric temperature is -5°C and the heat
transfer coefficients between the steam and pipe and from the insulation to the
atmosphere are 2.84 and 34.1 kW/(m²2.K) respectively
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