The kinetic energy of a fluid increases as it is accelerated in an adiabatic nozzle. Where does this energy come from? Explain (in brief) using the appropriate equation.An ideal gas enters an adiabatic, horizontal, nozzle (fixed on the ground) at 300 kPa, 200°C and 30 m/s, and leaves at 100 kPa and 180 m/s. These conditions are maintained for all time. The inlet area of the nozzle is 80 cm2. Determine (a) the mass flow rate of gas through the nozzle, (b) the exit temperature ofgas, and (c) the exit (outlet) area of the nozzle.Given: gas constant is 0.287 kPa.m3/(kg.K) ; average value of specific heat capacity of gas (cp, avg) is 1.02 kJ/(kg . ºC)

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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

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The kinetic energy of a fluid increases as it is accelerated in an adiabatic nozzle. Where does this energy come from? Explain (in brief) using the appropriate equation.
An ideal gas enters an adiabatic, horizontal, nozzle (fixed on the ground) at 300 kPa, 200°C and 30 m/s, and leaves at 100 kPa and 180 m/s. These conditions are maintained for all time. The inlet area of the nozzle is 80 cm². Determine (a) the mass flow rate of gas through the nozzle, (b) the exit temperature ofgas, and (c) the exit (outlet) area of the nozzle.

Given: gas constant is 0.287 kPa.m³/(kg.K) ; average value of specific heat capacity of gas (c_{p, avg}) is 1.02 kJ/(kg . ºC)

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