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A stainless steel tube (AISI 304) with 36 mm internal diameter and 2mm wall thickness is used for transporting a fluidrefrigerated. The fluid is kept at 6oC and the ambient air is at 23oC, being the convective coefficients of the inner and outer sides equal to 100 W/(m2 oC) and 50 W/(m2 oC), respectively.  A) If a 10 mm insulating layer is inserted into the surface exposed pipe (kiso=0.050 W/(m.K)), what will be the heat gain per unit of tube length and the new temperature of the exposed surface?

A stainless steel tube (AISI 304) with 36 mm internal diameter and 2mm wall thickness is used for transporting a fluidrefrigerated. The fluid is kept at 6oC and the ambient air is at 23oC, being the convective coefficients of the inner and outer sides equal to 100 W/(m2 oC) and 50 W/(m2 oC), respectively.  A) If a 10 mm insulating layer is inserted into the surface exposed pipe (kiso=0.050 W/(m.K)), what will be the heat gain per unit of tube length and the new temperature of the exposed surface?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A stainless steel tube (AISI 304) with 36 mm internal diameter and 2mm wall thickness is used for transporting a fluidrefrigerated. The fluid is kept at 6oC and the ambient air is at 23oC, being the convective coefficients of the inner and outer sides equal to 100 W/(m2 oC) and 50 W/(m2 oC), respectively. 

A) If a 10 mm insulating layer is inserted into the surface
exposed pipe (kiso=0.050 W/(m.K)), what will be the heat gain
per unit of tube length and the new temperature of the
exposed surface?

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