A cylindrical bar of metal having a diameter of 20.9 mm and a length of 205 mm is deformed elastically in tension with a force o
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Answer:
17 hours 15 minutes
Explanation:
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Answer:
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Explanation:
Given data:
Initial temperature of tank
Initial pressure of tank
Diameter of throat
Mach number at exit
In point a:
calculating the throat area:
Since, the Mach number at throat is approximately half the Mach number at exit.
Calculate the Mach number at throat.
Calculate the exit area using isentropic flow equation.
Here: is the specific heat ratio. Substitute the values in above equation.
exit diameter is 3.74 cm
In point b:
Calculate the temperature at throat.
Calculate the velocity at exit.
Here: R is the gas constant.
Calculate the density of air at inlet
Calculate the density of air at throat using isentropic flow equation.
Calculate the mass flow rate.