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A steam pipe of i.d. 7.62cm and o.d. 10.2cm passes 1360 kg/hr of superheated steam at 260°c. The pipe is lagged with a 5.1cm thickness of magnesia and the atmosphere is at 15.5°c. Determine the temperature drop of the steam over a 30m. length assuming: Inside surface coefficient K steel Outside surface coefficient C for stean P K magnesia 20K .0455 kW/m .045 kW/m K .0034 kW/m20K 2.1 kJ/kg K 6.9 x 10-5 kW/m K

A steam pipe of i.d. 7.62cm and o.d. 10.2cm passes 1360 kg/hr of superheated steam at 260°c. The pipe is lagged with a 5.1cm thickness of magnesia and the atmosphere is at 15.5°c. Determine the temperature drop of the steam over a 30m. length assuming: Inside surface coefficient K steel Outside surface coefficient C for stean P K magnesia 20K .0455 kW/m .045 kW/m K .0034 kW/m20K 2.1 kJ/kg K 6.9 x 10-5 kW/m K

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 steam pipe of i.d. 7.62cm and o.d. 10.2cm passes 1360 kg/hr of superheated steam at 260°c. The pipe is lagged with a 5.1cm thickness of magnesia and the atmosphere is at 15.5°c. Determine the temperature drop of the steam over a 30m. length assuming: Inside surface coefficient K steel Outside surface coefficient Cp for steam K magnesia .0455 kW/m2K .045 kW/m K .00 34 kW/m20K 2.1 kJ/kg K 6.9 x 105 kW/m°K
Transcribed Image Text:A steam pipe of i.d. 7.62cm and o.d. 10.2cm passes 1360 kg/hr of superheated steam at 260°c. The pipe is lagged with a 5.1cm thickness of magnesia and the atmosphere is at 15.5°c. Determine the temperature drop of the steam over a 30m. length assuming: Inside surface coefficient K steel Outside surface coefficient Cp for steam K magnesia .0455 kW/m2K .045 kW/m K .00 34 kW/m20K 2.1 kJ/kg K 6.9 x 105 kW/m°K
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