10 m long pipe is being used to deliver steam through a processing plant. The inner radius of the pipe is r, = 6 cm and the thickness of the pipe is 2 cm. Thermal conductivity k = 8 W/m K and the average temperature steam flowing through the pipe is 160°C, the average convection heat transfer coefficient on the inner surface is given to be h = 20 W/m2 K. If the average temperature on the outer surfaces of the pipe is T, = 70°C, (a) express the differential equation and the boundary conditions for steady operating conditions, (b) determine a relation for the variation of temperature in the pipe, and (c) evaluate the rate of heat loss (heat of conduction) from the steam through the pipe.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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10 m long pipe is being used to deliver steam through a processing plant. The inner radius of the pipe is r1 = 6 cm and the thickness of the pipe is 2 cm. Thermal conductivity k = 8 W/m⋅K and the average temperature steam flowing through the pipe is 160°C, the average convection heat transfer coefficient on the inner surface is given to be h = 20 W/m2⋅K. If the average temperature on the outer surfaces of the pipe is T2 = 70°C, (a) express the differential equation and the boundary conditions for steady operating conditions, (b) determine a relation for the variation of temperature in the pipe, and (c) evaluate the rate of heat loss (heat of conduction) from the steam through the pipe.

10 m long pipe is being used to deliver steam
through a processing plant. The inner radius of the pipe is r,
6 cm and the thickness of the pipe is 2 cm. Thermal
conductivity k = 8 W/m K and the average temperature steam
flowing through the pipe is 160°C, the average convection
heat transfer coefficient on the inner surface is given to be h =
20 W/m2 K. If the average temperature on the outer surfaces
of the pipe is T, = 70°C, (a) express the differential equation
and the boundary conditions for steady operating conditions,
(b) determine a relation for the variation of temperature in the
pipe, and (c) evaluate the rate of heat loss (heat of conduction)
from the steam through the pipe.
2
Transcribed Image Text:10 m long pipe is being used to deliver steam through a processing plant. The inner radius of the pipe is r, 6 cm and the thickness of the pipe is 2 cm. Thermal conductivity k = 8 W/m K and the average temperature steam flowing through the pipe is 160°C, the average convection heat transfer coefficient on the inner surface is given to be h = 20 W/m2 K. If the average temperature on the outer surfaces of the pipe is T, = 70°C, (a) express the differential equation and the boundary conditions for steady operating conditions, (b) determine a relation for the variation of temperature in the pipe, and (c) evaluate the rate of heat loss (heat of conduction) from the steam through the pipe. 2
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