Ten circular fins of uniform cross section, D=15mm, and a length of 75mm, are attached to a 1m2 wall with surface temperature of 375o The fins are made of a material with k=240W/mK. It is exposed to ambient air at 20oC with a convective heat transfer coefficient 75W/m2K. Use the approximation to change a convective tip to an adiabatic tip. Use equations from table 3-3 (p. 177) and equation 3-69 through 3-78 to determine: Individual fin effectiveness. Overall fin effectiveness.
Ten circular fins of uniform cross section, D=15mm, and a length of 75mm, are attached to a 1m2 wall with surface temperature of 375o The fins are made of a material with k=240W/mK. It is exposed to ambient air at 20oC with a convective heat transfer coefficient 75W/m2K. Use the approximation to change a convective tip to an adiabatic tip. Use equations from table 3-3 (p. 177) and equation 3-69 through 3-78 to determine: Individual fin effectiveness. Overall fin effectiveness.
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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Ten circular fins of uniform cross section, D=15mm, and a length of 75mm, are attached to a 1m2 wall with surface temperature of 375o The fins are made of a material with k=240W/mK. It is exposed to ambient air at 20oC with a convective heat transfer coefficient 75W/m2K. Use the approximation to change a convective tip to an adiabatic tip.
Use equations from table 3-3 (p. 177) and equation 3-69 through 3-78 to determine:
- Individual fin effectiveness.
- Overall fin effectiveness.
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