An empirical equation for calculating the inside heat transfer coefficient, hi , for the turbulent flow of liquids in a pipe is given by: 0.023 G0.8 K0.67 Cp0.33 hị D0.2 µ0.47 where h; = heat transfer coefficient, Btu/(hr)(ft>(°F) G=mass velocity of the liquid, lbm/(hr)(ft)² K = thermal conductivity of the liquid, Btu/(hr)(ft)(F) Cp = heat capacity of the liquid, Btu/(lbm)(°F) u= Viscosity of the liquid, lbm/(ft)(hr) D= inside diameter of the pipe, (ft) Verify if the equation is dimensionally consistent.
An empirical equation for calculating the inside heat transfer coefficient, hi , for the turbulent flow of liquids in a pipe is given by: 0.023 G0.8 K0.67 Cp0.33 hị D0.2 µ0.47 where h; = heat transfer coefficient, Btu/(hr)(ft>(°F) G=mass velocity of the liquid, lbm/(hr)(ft)² K = thermal conductivity of the liquid, Btu/(hr)(ft)(F) Cp = heat capacity of the liquid, Btu/(lbm)(°F) u= Viscosity of the liquid, lbm/(ft)(hr) D= inside diameter of the pipe, (ft) Verify if the equation is dimensionally consistent.
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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An empirical equation for calculating the inside heat transfer coefficient, hi , for the turbulent flow of liquids in a pipe is given by: 0.023 G0.8 K0.67 Cp0.33 hị D0.2 µ0.47 where h; = heat transfer coefficient, Btu/(hr)(ft>(°F) G=mass velocity of the liquid, lbm/(hr)(ft)² K = thermal conductivity of the liquid, Btu/(hr)(ft)(F) Cp = heat capacity of the liquid, Btu/(lbm)(°F) u= Viscosity of the liquid, lbm/(ft)(hr) D= inside diameter of the pipe, (ft) Verify if the equation is dimensionally consistent.
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HW # 1
Q1
An empirical equation for calculating the inside heat transfer coefficient, h; , for the
turbulent flow of liquids in a pipe is given by:
0.023 G0.8 K0.67 Cp0.33
hị
D0.2 µ0.47
where h;= heat transfer coefficient, Btu/(hr)(ft(°F)
G=mass velocity of the liquid, lbm/(hr)(ft)2
K= thermal conductivity of the liquid, Btu/(hr)(ft)(F)
Cp%3Dheat capacity of the liquid, Btu/(lbm)(°F)
H=Viscosity of the liquid, lbm/(ft)(hr)
D= inside diameter of the pipe, (ft)
%3D
Verify if the equation is dimensionally consistent.
Q2.
Convert the following quantities to the ones designated:
a) 1.8 nanometer (nm) to decimeter (dm)
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