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A water pipe is buried 0.40 m below ground in wet soil (a=7.85 x10-7 m2/s and k=2.6 W/m.K). The soil is initially at a uniform temperature of 6°C for sudden application of a convective surface condition of wind with h = 57 W/m2.°C and T∞ = -22°C, how long does it take for the temperature of the pipe to be 0°C?

A water pipe is buried 0.40 m below ground in wet soil (a=7.85 x10-7 m2/s and k=2.6 W/m.K). The soil is initially at a uniform temperature of 6°C for sudden application of a convective surface condition of wind with h = 57 W/m2.°C and T∞ = -22°C, how long does it take for the temperature of the pipe to be 0°C?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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A water pipe is buried 0.40 m below ground in wet soil (a=7.85 ×10-7 m2/s and k=2.6 W/m.K). The soil is initially at a uniform temperature of 6°C for sudden application of a convective surface condition of wind with h = 57 W/m2°C and To∞ = -22°C, how long does it take for the temperature of the pipe to be 0°C?
Transcribed Image Text:A water pipe is buried 0.40 m below ground in wet soil (a=7.85 ×10-7 m2/s and k=2.6 W/m.K). The soil is initially at a uniform temperature of 6°C for sudden application of a convective surface condition of wind with h = 57 W/m2°C and To∞ = -22°C, how long does it take for the temperature of the pipe to be 0°C?
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