DJJ20063- Thermodynamics 1 o So, at 100 bar and 425 C, we have 3 -2 v = 2.812 x 10 m /kg h = 3172 kJ/kg From equation 2.8, u = h – Pv 2 -2 3 2 = 3172 kJ/kg – (100 x 10 kN/m )(2.812 x 10 m /kg) = 2890.8 kJ/kg 40 | P a g e