Answered: Determine the velocity at each exit…

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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Use the following conversions where necessary:1hp = 745.7W; ρwater = 1000 kg/m3; ρmercury = 13600 kg/m3; 1 atm = 101.325 kPa; Cp (water) = 4.18 kJ/kg °C; g = 9.81m/s2;

For properties of air, use R = 0.287 kJ/kg K; Cv (air) = 0.718 kJ/kg K; Cp (air) =1.005 kJ/kg K

Steam at 80 bar, 440 °C, enters a turbine operating at steady state with a volumetric flow rate of 236 m3/min. Twenty percent of the entering mass flow exits through a diameter of 0.25 m at 60 bar, 400 °C. The rest exits through a diameter of 1.5 m with a pressure of 0.7 bar and a quality of 90 %. Determine the velocity at each exit duct, in m/s.

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