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4. Calculate the heat loss per linear foot from a 10.3 in. nominal pipe (outside diameter=10.75 in.) covered with a composite pipe insulation consisting of 1.8 in. insulation I placed next to the pipe and 1.9 in. of insulation II placed upon insulation I. Assume that the inner and outer surface temperatures of the composite insulation are 701°F and 100°ʻF respectively, and that the thermal conductivity of material I is 0.05 Btu/hr-ft-°F and for material II is 0.039 Btu/hr-ft-'F.

4. Calculate the heat loss per linear foot from a 10.3 in. nominal pipe (outside diameter=10.75 in.) covered with a composite pipe insulation consisting of 1.8 in. insulation I placed next to the pipe and 1.9 in. of insulation II placed upon insulation I. Assume that the inner and outer surface temperatures of the composite insulation are 701°F and 100°ʻF respectively, and that the thermal conductivity of material I is 0.05 Btu/hr-ft-°F and for material II is 0.039 Btu/hr-ft-'F.

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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4. Calculate the heat loss per linear foot from a 10.3 in. nominal pipe (outside diameter=10.75 in.) covered with a composite pipe insulation consisting of 1.8 in. insulation I placed next to the pipe and 1.9 in. of insulation II placed upon insulation I. Assume that the inner and outer surface temperatures of the composite insulation are 701°F and 100°ʻF respectively, and that the thermal conductivity of material I is 0.05 Btu/hr-ft-°F and for material II is 0.039 Btu/hr-ft-'F.
Transcribed Image Text:4. Calculate the heat loss per linear foot from a 10.3 in. nominal pipe (outside diameter=10.75 in.) covered with a composite pipe insulation consisting of 1.8 in. insulation I placed next to the pipe and 1.9 in. of insulation II placed upon insulation I. Assume that the inner and outer surface temperatures of the composite insulation are 701°F and 100°ʻF respectively, and that the thermal conductivity of material I is 0.05 Btu/hr-ft-°F and for material II is 0.039 Btu/hr-ft-'F.
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