Crude oil is transported from a storage to a refinery through a 10" schedule 40 pipeline which is buried 1.5 m below the ground surface. In a cold winter day the air temperature is – 10 °C and the ground surface temperature is 2 °C. The thermal conductivity coefficient of dirt is 0.8 W/m°C. How much heat (in kW) will be lost from 1 km long pipeline if the temperature of crude oil is kept at 20 °C? Use Given Data Nominal Metal Inside cross- pipe Wall sectional sectional size, in OD, in Schedule no. Thickness, in ID, in area, in² area, ft² 10 10.75 40 0.365 10.020 11.90 0.5475

Crude oil is transported from a storage to a refinery through a 10" schedule 40 pipeline which is buried 1.5 m below the ground surface. In a cold winter day the air temperature is – 10 °C and the ground surface temperature is 2 °C. The thermal conductivity coefficient of dirt is 0.8 W/m°C. How much heat (in kW) will be lost from 1 km long pipeline if the temperature of crude oil is kept at 20 °C? Use Given Data Nominal Metal Inside cross- pipe Wall sectional sectional size, in OD, in Schedule no. Thickness, in ID, in area, in² area, ft² 10 10.75 40 0.365 10.020 11.90 0.5475

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

Strengthening of Alloys

Strengthening of the alloys is required as metals become weak due to various lattice defects, metal bonding phenomena. The strength of the metals is not enough for any mechanical work. The internal dislocations of any metals arise due to forming processes. Due to the movement of these dislocations, the metals are plastically deformed.

Question

This question is from Heat Transfer class. Please show all steps, thank you!

Crude oil is transported from a storage to a refinery through a 10" schedule 40
pipeline which is buried 1.5 m below the ground surface. In a cold winter day the air
temperature is – 10 °C and the ground surface temperature is 2 °C. The thermal
conductivity coefficient of dirt is 0.8 W/m°C. How much heat (in kW) will be lost
from 1 km long pipeline if the temperature of crude oil is kept at 20 °C?
-
Use Given Data
Nominal
Metal
Inside cross-
pipe
Wall
sectional
sectional
size, in
OD, in
Schedule no.
Thickness, in
ID, in
area, in²
area, ft2
10
10.75
40
0.365
10.020
11.90
0.5475

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