1. Combustion gases enter the nozzle of a jet engine at 3.8 bar and 820°C. The nozzle is well insulated and the gases expand down to an exit pressure of 1.1 bar. Determine the temperature and the velocity of the gases at exit from the nozzle assuming the velocity at inlet is negligible. For the combustion gases take C, = 1.15 KJ/Kg. K and the ratio of specific heats = 1.32

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1. Combustion gases enter the nozzle of a jet engine at 3.8 bar and 820°C. The
nozzle is well insulated and the gases expand down to an exit pressure of 1.1 bar.
Determine the temperature and the velocity of the gases at exit from the nozzle
assuming the velocity at inlet is negligible. For the combustion gases take
C, = 1.15 KJ/Kg. K and the ratio of specific heats = 1.32
2. The pressure of the gas inside an aerosol can is 1.2 bar at a temperature of
25°C. Will the aerosol explode if it is thrown into a fire and heated to a
temperature of 600°C? Assume that the aerosol can is unable to withstand
pressures in excess of 3 bar.
Transcribed Image Text:1. Combustion gases enter the nozzle of a jet engine at 3.8 bar and 820°C. The nozzle is well insulated and the gases expand down to an exit pressure of 1.1 bar. Determine the temperature and the velocity of the gases at exit from the nozzle assuming the velocity at inlet is negligible. For the combustion gases take C, = 1.15 KJ/Kg. K and the ratio of specific heats = 1.32 2. The pressure of the gas inside an aerosol can is 1.2 bar at a temperature of 25°C. Will the aerosol explode if it is thrown into a fire and heated to a temperature of 600°C? Assume that the aerosol can is unable to withstand pressures in excess of 3 bar.
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