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
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.67P: 1.67 In beauty salons and in homes, a ubiquitous device is the hairdryer. The front end of a typical...
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