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Air at 200 kPa, 52°C, and a velocity of 305 m/s enters an insulated duct of varying cross-sectional area. The air exits at 100 kPa, 82°C At the inlet, the cross-sectional area is 6.57 cm?.

Air at 200 kPa, 52°C, and a velocity of 305 m/s enters an insulated duct of varying cross-sectional area. The air exits at 100 kPa, 82°C At the inlet, the cross-sectional area is 6.57 cm?.

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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Air at 200 kPa, 52°C, and a velocity of 305 m/s enters an insulated duct of varying cross-sectional area. The air exits at 100 kPa, 82°C. At the inlet, the cross-sectional area is 6.57 cm?. Assuming the ideal gas model for the air, determine: (a) the exit velocity, in m/s. (b) the rate of entropy production within the duct, in kW/K.
Transcribed Image Text:Air at 200 kPa, 52°C, and a velocity of 305 m/s enters an insulated duct of varying cross-sectional area. The air exits at 100 kPa, 82°C. At the inlet, the cross-sectional area is 6.57 cm?. Assuming the ideal gas model for the air, determine: (a) the exit velocity, in m/s. (b) the rate of entropy production within the duct, in kW/K.
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