A liquid metal Cows at a rate of 5 kg/sec through a 5 cm diameter stainless steel tube. It enters at 425°C and is heated to 450°C as it passes through the tube. If a constant heat flux is maintained along the tube and the tube wall is at a temperature 20°C higher than the liquid metal bulk temperature, calculate the area required to effect the heat transfer. At constant heat flux, Nu = 4.82 + 0.0185PE0.827 relation holds good. Properties of the compound: u = 1.34 x 10-3 kg/m.sec; Cp = 0.149 kJ/kg.K; k = 15.6 W/m.K; Pr = 0.013.
A liquid metal Cows at a rate of 5 kg/sec through a 5 cm diameter stainless steel tube. It enters at 425°C and is heated to 450°C as it passes through the tube. If a constant heat flux is maintained along the tube and the tube wall is at a temperature 20°C higher than the liquid metal bulk temperature, calculate the area required to effect the heat transfer. At constant heat flux, Nu = 4.82 + 0.0185PE0.827 relation holds good. Properties of the compound: u = 1.34 x 10-3 kg/m.sec; Cp = 0.149 kJ/kg.K; k = 15.6 W/m.K; Pr = 0.013.
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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Transcribed Image Text:A liquid metal Gows at a rate of 5 kg/sec through a 5 cm diameter stainless steel tube. It
enters at 425°C and is heated to 450°C as it passes through the tube. If a constant heat
flux is maintained along the tube and the tube wall is at a temperature 20°C higher than
the liquid metal bulk temperature, calculate the area required to effect the heat transfer.
At constant heat flux,
Nu = 4.82 +0.0185PE0.827
relation holds good.
Properties of the compound: µ = 1.34 x 10-3 kg/m.sec; Cp
W/m.K; Pr = 0.013.
0.149 kJ/kg.K; k = 15.6
%3D
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