Interpretation:
The temperature of steam at the nozzle entrance under the given conditions needs to be calculated
Concept Introduction:
- The energy balance equation that relates the inlet and outlet enthalpies and velocities is given based on the first law of
thermodynamics as:
- For an adiabatic process, there is no loss or gain of heat i.e. q = 0
Temperature at the nozzle inlet
Given Information:
Outlet Temperature of air T2=
Inlet velocity, u1 = negligible = 0 m/s
Outlet velocity, u2 = 580 m/s
Explanation:
Step 1:
Calculate the change in enthalpy
Based on equation (1) we have:
Step 2:
Calculate the inlet temperature, T1
For an ideal gas the change in enthalpy is related to the change in temperature through the specific heat Cp;
Thus, the temperature at the nozzle inlet
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