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A gas at 525 ° C flows through an AISI 316 stainless steel pipe (di = 94 mm and do = 100 mm). The pipe is covered with a layer of mineral wool granulate with 35 mm thick asbestos binders. The pipe is exposed to ambient air at 25 ° C. The heat transfer coefficients for the surrounding gas and air are 29 W / (m2 K) and 12W / (m2 K), respectively. Do the following:  Estimate the temperature on the surface of the coating exposed to the environment.

A gas at 525 ° C flows through an AISI 316 stainless steel pipe (di = 94 mm and do = 100 mm). The pipe is covered with a layer of mineral wool granulate with 35 mm thick asbestos binders. The pipe is exposed to ambient air at 25 ° C. The heat transfer coefficients for the surrounding gas and air are 29 W / (m2 K) and 12W / (m2 K), respectively. Do the following:  Estimate the temperature on the surface of the coating exposed to the environment.

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 gas at 525 ° C flows through an AISI 316 stainless steel pipe (di = 94 mm and do = 100 mm). The pipe is covered with a layer of mineral wool granulate with 35 mm thick asbestos binders. The pipe is exposed to ambient air at 25 ° C. The heat transfer coefficients for the surrounding gas and air are 29 W / (m2 K) and 12W / (m2 K), respectively.

Do the following: 

Estimate the temperature on the surface of the coating exposed to the environment.

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