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Air at 80 kPa, 27\deg C, and 220 m/s enters a diffuser at a rate of 2.5 kg/s and leaves at 42\deg C . The exit area of the diffuser is 420 cm2. The air is estimated to lose heat at a rate of 18 kJ/s during this process. The gas constant of air is 0.287 kPa.m3/kg-K. The enthalpies are h1 = 300.19 kJ/kg and h2 = 315.27 kJ/kg. Determine the exit velocity of the air. The exit velocity of the air is m/s. Determine the exit pressure of the air. (Round the final answer to three decimal places.) The exit pressure of the air is kPa.

Air at 80 kPa, 27\deg C, and 220 m/s enters a diffuser at a rate of 2.5 kg/s and leaves at 42\deg C . The exit area of the diffuser is 420 cm2. The air is estimated to lose heat at a rate of 18 kJ/s during this process. The gas constant of air is 0.287 kPa.m3/kg-K. The enthalpies are h1 = 300.19 kJ/kg and h2 = 315.27 kJ/kg. Determine the exit velocity of the air. The exit velocity of the air is m/s. Determine the exit pressure of the air. (Round the final answer to three decimal places.) The exit pressure of the air is kPa.

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 80 kPa, 27\deg C, and 220 m/s enters a diffuser at a rate of 2.5 kg/s and leaves at 42\deg C . The exit area of the diffuser is 420 cm2. The air is estimated to lose heat at a rate of 18 kJ/s during this process. The gas constant of air is 0.287 kPa.m3/kg.K. The enthalpies are h1 = 300.19 kJ/kg and h2 = 315.27 kJ/kg. Determine the exit velocity of the air. The exit velocity of the air is m/s. Determine the exit pressure of the air. (Round the final answer to three decimal places.) The exit pressure of the air is kPa.
Transcribed Image Text:Air at 80 kPa, 27\deg C, and 220 m/s enters a diffuser at a rate of 2.5 kg/s and leaves at 42\deg C . The exit area of the diffuser is 420 cm2. The air is estimated to lose heat at a rate of 18 kJ/s during this process. The gas constant of air is 0.287 kPa.m3/kg.K. The enthalpies are h1 = 300.19 kJ/kg and h2 = 315.27 kJ/kg. Determine the exit velocity of the air. The exit velocity of the air is m/s. Determine the exit pressure of the air. (Round the final answer to three decimal places.) The exit pressure of the air is kPa.
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