A ramjet engine is analyzed using the air standard method. Given specific operating conditions determine the temperature, pressure, and enthalpy at each state, the exit velocity, and the rate of heat addition (kJ/kg).
Given Values:
T1 (K) = 293
P1 (kPa) = 87
V1 (m/s) = 630
rc = 2.33

a) Determine the specific enthalpy (kJ/kg) at state 1.
b) Determine the relative pressure at state 1.
c) Determine the specific enthalpy (kJ/kg) at state 2.
d) Determine the temperature (K) at state 2.
e) Determine the relative pressure at state 2.
f) Determine the pressure (kPa) at state 2.
g) Determine the temperature (K) at state 3.
h) Determine the specific enthalpy (kJ/kg) at state 3.
i) Determine the relative pressure at state 3.
j) Determine the relative pressure at state 4.
k) Determine the specific enthalpy (kJ/kg) at state 4.
l) Determine the velocity (m/s) at the exit of the turbojet engine.
m) Determine the rate of heat addition (kJ/kg).