Transcript Slide 1
Ship Propulsion Systems STEAM DIESEL OTHER Conventional Nuclear Slow Speed Medium Speed Gas Turbine Combined Cycle GAS TURBINE & COMBINED CYCLE PROPULSION Aero-Derivative Gas Turbine INTAKE EXHAUST POWER GAS GENEATOR TURBINE “JET ENGINE” HIGH ENERGY GAS MECHANICAL OUTPUT Aero-Derivative Gas Turbine POWER GAS GENEATOR TURBINE SPARK PLUG GAS GENEATOR COMBUSTION CHAMBER FUEL HP AIR AIR COMPRESSOR COMBUSTOR RING Electric, Air or Hydraulic Motor start M COMPRESSOR TURBINE Aero-Derivative Gas Turbine GAS GENEATOR POWER TURBINE Aero-Derivative Gas Turbine GT ELECTRIC DRIVE Other GENERATORS controller COUPLING HS PINION 1st REDUCTION GEAR M GENERATOR PROPULSION “BUS” PROPULSION MOTOR Aero-Derivative Gas Turbine DOUBLE REDUCTION GEAR… … with a CRP THRUST BEARING STERN TUBE BRG AHD HS PINION 1st REDUCTION GEAR LS PINION 2nd REDUCTION GEAR LINE SHAFT BRG AST CRP: Controllable-Reversible Pitch propeller Blades pivot on axes radial to the propeller shaft Pitch is determined by Blade angle “Feathering” is Zero pitch Negative pitch yields astern thrust At constant engine RPM, ship speed is controlled by pitch Speed = Pitch x RPM CRP propellers….. ,,, are common with Gas Turbine propulsion and many Medium Speed Diesel propulsion ships … are occasionally used with Slow Speed Diesels … and are rare with Steam Turbine propulsion Aero-Derivative Gas Turbine DOUBLE REDUCTION GEAR… Aero-Derivative Gas Turbine Aero-Derivative Gas Turbine REVERSING GEAR SHAFT BRAKE ASTERN HS PINION AST AHD CLUTCHES AHEAD HS PINION Mechanical Hydraulic Pneumatic Electro-magnetic FIXED PITCH PROPELLER REVERSING GEAR ... AST AHD … may also be used with non-reversing Medium Speed Diesel Engines CLUTCHES Mechanical Hydraulic Pneumatic Electro-magnetic Many MEDIUM SPEED Engines … … and most SLOW SPEED Engines … … are REVERSING ENGINES DOUBLE REDUCTION GEARS … … are utilized on the AHD TSES VI Twice! HP, HS PINION HP, 1st REDUCTION HP GEAR AST HP, LS PINION LP LP, HS PINION LP, 1st REDUCTION GEAR Common BULL GEAR (2nd REDUCTION GEAR) LP, LS PINION ELECTRIC DRIVE common with GAS TURBINES Other GENERATORS GENERATOR Also used with…. Medium Speed Diesels (Diesel-Electric Drive) Non-reversing steam turbines (Turbo-Electric Drive) PROPULSION “BUS” controller M PROPULSION MOTOR … and COMBINED CYCLES STEAM TURBINE “WASTE HEAT” BOILER G M GT G controller COGES Combined Gas and Steam Turbine Electric System e.g., Royal Caribbean and Celebrity Cruise Lines COmbined Diesel And/Or Gas turbine cycle C Primary Plant: Diesel GT Boost Power Plant: Gas Turbine C C CODOG: GT takes over for Diesel(s) at high power CODAG: GT and Diesel(s) running at high power The Engine Order Telegraph (EOT) BRIDGE TELEGRAPH E.R. TELEGRAPH The Bell Book ASTERN AHEAD EMERGENCY E FULL EMERGENCY FULL FULL HALF HALF SLOW SLOW DEAD SLOW D DEAD E FULL SLOW D STAND-BY D or “STDBY” STOP O or X The Bell Book ARR Tenerife, CI 29 May 2005 ARR 0730 C-10813340; M- 555810 X X 0730 0736 0741 0815 0821 0828 0829 0833 X X D X FWE 0834 0840 0844 0854 0857 0915 C- 10815690 M- 555821