(5). The compressor of an open-cycle gas turbine unit receives air at 100kPa, 18°C and delivers it at 400kPa, 200°C to the combustion chamber, where the temperature is raised at constant pressure to 650°C. The hot gases pass through the turbine having an isentropic efficiency of 85% and exhaust of 100kPa. Calculate: (a). the isentropic efficiency of the compressor (b). the net work per kg of air For air: For gas: Y = 1.4 Y = 1.333 ©p= I.005kJ/kgK = = 1.150kJ/kgK

3. In a gas turbine plant air is compressed from 1.01 bar and 15 °C through a pressure ratio of 5. It is then heated in a combustion chamber at constant pressure to a temperature of 700 °C and expanded to atmospheric pressure in a turbine. The isentropic efficiencies of compression and expansion are respectively 0.8 and 0.85. Calculate (a) the cycle efficiency and (b) the work ratio. Assume that the properties of air do not change with temperature and may be taken as Cp = 1.005 kJ/kg K and y = 1.4.

Draw a Temperature (T) versus Entropy (s) diagram for a typical gas turbine. Thediagram should show the processes for an actual gas turbine and should show theeffect of real world losses where the compressor and turbine have an isentropicefficiency and pressure losses in the combustion chamber in an actual gas turbine.Explain each of the processes on the T-s diagram.

Hello Sir,Good Night.I have a question in my homework related thermodynamics lesson.The following below is my question. Please advice, thank you