Gas Turbine

Classification of Gas Turbine Cycle of operation/path of working substance: a) Open cycle G.T. b) Closed Cycle G.T. c) Semi-closed G.T. 2)Thermodynamic Cycle: a) Brayton/Joule cycle b) Atkinson cycle c) Ericsson cycle 3) Fuel used : a) Liquid fuel G.T. b) Gaseous fuel G.T. c) Solid fuel G.T. 4) Process of heat absorption / combustion process : a) Constant pressure G.T. b) Constant volume G.T.

Classification of Gas Turbine 5) Action of expanding gases : a) Impulse turbine b) reaction turbine 6) Direction of flow : a) Axial flow b) Radial flow 7) Arrangement of shaft : a) Single shaft G.T. b) Multi shaft G.T. 8) Applications: a) Stationary G.T. b) Automotive G.T. c) Locomotive G.T. d) Marine G.T. e) Air craft G.T.

Applications of Gas Turbine Supercharing of I.C.Engine : Small gas turbines are used to drive superchargers of petrol and diesel engines. 2) Air craft engines : Gas turbines are lower in weight and smaller in size for same power output than that of I.C. engine, therefore used for aircraft engines. 3) Marine field : Gas turbines are used in marine engine for propelling ships.

Applications of Gas Turbine 4) Road transport : Small cars using gas turbines has been manufactured and tested. 5) Electric power generation : Gas turbines can be installed at low cost per KW therefore used for electric power generation. 6) Industrial : The output power of gas turbines can be used for crude oil pumping.

Constant Volume Combustion Gas Turbine

Construction It consists of Air compressor Combuster with valves. Fuel tank and Pump Gas Turbine Boiler Steam Turbine

Constant pressure Gas Turbine

Regeneration – Gas Turbine