Registered Public Utility Engineer — Power

Practice session

A superheated steam pipeline operates at an absolute pressure of 4.0 MPa and a temperature of 450°C. If the specific enthalpy of steam at this state is h = 3330.1 kJ/kg and the specific entropy is s = 6.936 kJ/(kg·K), what is the specific exergy (比㶲) of the steam relative to an ambient reference environment at T0 = 293.15 K (20°C) and P0 = 0.1 MPa (where ambient water has h0 = 84.0 kJ/kg, s0 = 0.296 kJ/(kg·K))?

Loading your practice session…