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the total heat loss per metre length of the reactor,

the total heat loss per metre length of the reactor,

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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A long, horizontal, cylindrical steel reactor, 1 m in diameter, has a surface temperature of 300°C. The emissivity of the steel is 0.6, and the heat transfer coefficient for natural convection is 5 W m² K ¹. Heat is lost by convection to the air at 15°C, and also by radiation to the surroundings, which can be considered to be a black body at 15°C. a) Calculate the total heat loss per metre length of the reactor, and the proportions lost by convection and radiation.
Transcribed Image Text:A long, horizontal, cylindrical steel reactor, 1 m in diameter, has a surface temperature of 300°C. The emissivity of the steel is 0.6, and the heat transfer coefficient for natural convection is 5 W m² K ¹. Heat is lost by convection to the air at 15°C, and also by radiation to the surroundings, which can be considered to be a black body at 15°C. a) Calculate the total heat loss per metre length of the reactor, and the proportions lost by convection and radiation.
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