One side of a 2-m-high and 3-m-wide vertical plate at 80°C is to be cooled by attaching aluminum fins (k= 237 W/m-K) of rectangular profile in an environment at 35°C. The fins are 2 cm long, 0.3 cm thick, and 0.4 cm apart. The heat transfer coefficient between the fins and the surrounding air for combined convection and radiation is estimated to be 30 W/m2.K. Assume steady one-dimensional heat transfer along the fin and take the nodal spacing to be 0.5 cm. (Note: Round off all the numerical answers up to 2 decimal places.) T. = 35°C 0.4 cm
One side of a 2-m-high and 3-m-wide vertical plate at 80°C is to be cooled by attaching aluminum fins (k= 237 W/m-K) of rectangular profile in an environment at 35°C. The fins are 2 cm long, 0.3 cm thick, and 0.4 cm apart. The heat transfer coefficient between the fins and the surrounding air for combined convection and radiation is estimated to be 30 W/m2.K. Assume steady one-dimensional heat transfer along the fin and take the nodal spacing to be 0.5 cm. (Note: Round off all the numerical answers up to 2 decimal places.) T. = 35°C 0.4 cm
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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Transcribed Image Text:One side of a 2-m-high and 3-m-wide vertical plate at 80°C is to be cooled by attaching aluminum fins (k= 237 W/m-K) of
rectangular profile in an environment at 35°C. The fins are 2 cm long, 0.3 cm thick, and 0.4 cm apart. The heat transfer
coefficient between the fins and the surrounding air for combined convection and radiation is estimated to be 30 W/m2-K.
Assume steady one-dimensional heat transfer along the fin and take the nodal spacing to be 0.5 cm.
(Note: Round off all the numerical answers up to 2 decimal places.)
T. = 35°C
0.4 cm
0.5 cm
´ 0.3 cm
3 m
-2 cm
What is the temperature of nodes 1 and 4? (You must provide an answer before moving to the next part.)
T = 200.8 8 °C
T4 = 235.4 O °C
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