It is proposed to have carbon dioxide (CO2) gas pass through an uninsulated nozzle. The CO2 is to enter at 312 K, 394 kPa, at a velocity of 4 m/s. The CO2 is to exit the nozzle at 374 K, 81 kPa, and a velocity of 129 m/s. The mass flow rate of the CO2 is 0.33 kg/s. The nozzle surface is maintained at 409 K. The rate of entropy generation for the proposed process is ____ kW..... to 4 d.p. Use cold-air standard analysis and Take R= 0.1889 kJ/kgK and Cp=0.846 kJ/kgKProvide unit symbol.

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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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It is proposed to have carbon dioxide (CO₂) gas pass through an uninsulated nozzle. The CO₂ is to enter at 312 K, 394 kPa, at a velocity of 4 m/s. The CO₂ is to exit the nozzle at 374 K, 81 kPa, and a velocity of 129 m/s. The mass flow rate of the CO₂ is 0.33 kg/s. The nozzle surface is maintained at 409 K.

The rate of entropy generation for the proposed process is ____ kW..... to 4 d.p.

Use cold-air standard analysis and Take R= 0.1889 kJ/kgK and Cp=0.846 kJ/kgK

Provide unit symbol.

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