The piston cylinder of a motorcycle engine is constructed of AISI 316 stainless steel, having a height H = 0.22 m and an outside diameter D = 45 mm. Under typical operating conditions, the outer surface of the cylinder is at a temperature of 600 K and is exposed to ambient air at 250 K, with a convective coefficient of 62 W/(m2-K). Annular fins are integrally fused with the cylinder to increase heat transfer to the surroundings. Consider five of these fins, with thickness t = 6 mm, length L = 20 mm and equally spaced. What is the increase in heat transfer rate due to the use of fins?
The piston cylinder of a motorcycle engine is constructed of AISI 316 stainless steel, having a height H = 0.22 m and an outside diameter D = 45 mm. Under typical operating conditions, the outer surface of the cylinder is at a temperature of 600 K and is exposed to ambient air at 250 K, with a convective coefficient of 62 W/(m2-K). Annular fins are integrally fused with the cylinder to increase heat transfer to the surroundings. Consider five of these fins, with thickness t = 6 mm, length L = 20 mm and equally spaced. What is the increase in heat transfer rate due to the use of fins?
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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The piston cylinder of a motorcycle engine is constructed of AISI 316 stainless steel, having a height H = 0.22 m and an outside diameter D = 45 mm. Under typical operating conditions, the outer surface of the cylinder is at a temperature of 600 K and is exposed to ambient air at 250 K, with a convective coefficient of 62 W/(m2-K). Annular fins are integrally fused with the cylinder to increase heat transfer to the surroundings. Consider five of these fins, with thickness t = 6 mm, length L = 20 mm and equally spaced. What is the increase in heat transfer rate due to the use of fins?
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