2. A bar having a diameter of 10 cm has a uniform temperature of 30 °C. It is placed in a medium at 740 °C with a convective coefficient of 20 W/m²K. Calculate the time required for the bar to reach 340 °C. Take k= 17 W/mK, density = 540 Kg/m' and Cp = 1070 J/Kg K
2. A bar having a diameter of 10 cm has a uniform temperature of 30 °C. It is placed in a medium at 740 °C with a convective coefficient of 20 W/m²K. Calculate the time required for the bar to reach 340 °C. Take k= 17 W/mK, density = 540 Kg/m' and Cp = 1070 J/Kg K
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:2. A bar having a diameter of 10 cm has a uniform temperature of
30 °C. It is placed in a medium at 740 °C with a convective
coefficient of 20 W/m²K. Calculate the time required for the bar
to reach 340 °C. Take k= 17 W/mK, density = 540 Kg/m² and Cp
= 1070 J/Kg K
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