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| The following empirical equation was proposed to estimate the rate of heat loss from the walls of a cylindrical pipe to the ambient air: aT1.25 D0.25 where q is the rate of heat loss in Btu/ft2 h, AT is the temperature difference in °F q = 0.5 and D is the diameter in inches. (a) Determine the units of the constant. (b) Express the equation in SI units.

| The following empirical equation was proposed to estimate the rate of heat loss from the walls of a cylindrical pipe to the ambient air: aT1.25 D0.25 where q is the rate of heat loss in Btu/ft2 h, AT is the temperature difference in °F q = 0.5 and D is the diameter in inches. (a) Determine the units of the constant. (b) Express the equation in SI units.

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
Problem 1.1P
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2.14 The following empirical equation was proposed to estimate the rate of heat loss from the walls of a cylindrical pipe to the ambient air: AT1.25 q = 0.5- D0.25 where q is the rate of heat loss in Btu/ft? h, AT is the temperature difference in °F and D is the diameter in inches. (a) Determine the units of the constant. (b) Express the equation in SI units.
Transcribed Image Text:2.14 The following empirical equation was proposed to estimate the rate of heat loss from the walls of a cylindrical pipe to the ambient air: AT1.25 q = 0.5- D0.25 where q is the rate of heat loss in Btu/ft? h, AT is the temperature difference in °F and D is the diameter in inches. (a) Determine the units of the constant. (b) Express the equation in SI units.
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