A hot fluid (kfluid = 0.72 W/m∙K) is flowing as a laminar fully-developed flow inside a pipe with an inner diameter of 35 mm and a wall thickness of 5 mm. The pipe is 10 m long and the outer surface is exposed to air at 10°C. The average temperature difference between the hot fluid and the pipe inner surface is ΔTavg = 10°C, and the inner and outer surface temperatures are constant. Determine the outer surface temperature of the pipe. Evaluate the air properties at 50°C. Is this a good assumption? i saw an answer on this site but I don't get why in the inner heat transfer coefficient he didn't calculate nustle number he just used 3.66 can you please clarify
A hot fluid (kfluid = 0.72 W/m∙K) is flowing as a laminar fully-developed flow inside a pipe with an inner diameter of 35 mm and a wall thickness of 5 mm. The pipe is 10 m long and the outer surface is exposed to air at 10°C. The average temperature difference between the hot fluid and the pipe inner surface is ΔTavg = 10°C, and the inner and outer surface temperatures are constant. Determine the outer surface temperature of the pipe. Evaluate the air properties at 50°C. Is this a good assumption? i saw an answer on this site but I don't get why in the inner heat transfer coefficient he didn't calculate nustle number he just used 3.66 can you please clarify
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 hot fluid (kfluid = 0.72 W/m∙K) is flowing as a laminar fully-developed flow inside a pipe with an inner diameter of 35 mm and a wall thickness of 5 mm. The pipe is 10 m long and the outer surface is exposed to air at 10°C. The average temperature difference between the hot fluid and the pipe inner surface is ΔTavg = 10°C, and the inner and outer surface temperatures are constant. Determine the outer surface temperature of the pipe. Evaluate the air properties at 50°C. Is this a good assumption?
i saw an answer on this site but I don't get why in the inner heat transfer coefficient he didn't calculate nustle number he just used 3.66 can you please clarify
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