600 likes | 1.57k Views
STEAM DIESEL OTHER. Conventional Nuclear Slow Speed Medium Speed Gas Turbine Combined Cycle. Ship Propulsion Systems. GAS TURBINE & COMBINED CYCLE PROPULSION. GAS GENEATOR. POWER TURBINE. Aero-Derivative Gas Turbine. INTAKE. EXHAUST. “JET ENGINE”. HIGH ENERGY GAS.
E N D
STEAM DIESEL OTHER Conventional Nuclear Slow Speed Medium Speed Gas Turbine Combined Cycle Ship Propulsion Systems • GAS TURBINE & COMBINED CYCLE PROPULSION
GAS GENEATOR POWER TURBINE Aero-Derivative Gas Turbine INTAKE EXHAUST “JET ENGINE” HIGH ENERGY GAS MECHANICAL OUTPUT
GAS GENEATOR POWER TURBINE Aero-Derivative Gas Turbine
GAS GENEATOR M SPARK PLUG COMBUSTION CHAMBER FUEL HP AIR AIR COMPRESSOR COMBUSTOR RING COMPRESSOR TURBINE Electric, Air or Hydraulic Motor start
GAS GENEATOR POWER TURBINE Aero-Derivative Gas Turbine
GENERATOR Aero-Derivative Gas Turbine GT ELECTRIC DRIVE controller Other GENERATORS COUPLING M HS PINION 1st REDUCTION GEAR PROPULSION “BUS” PROPULSION MOTOR
Aero-Derivative Gas Turbine DOUBLE REDUCTION GEAR… … with a CRP THRUST BEARING AST AHD STERN TUBE BRG HS PINION LS PINION 1st REDUCTION GEAR LINE SHAFT BRG 2nd REDUCTION GEAR
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…
CLUTCHES Aero-Derivative Gas Turbine REVERSING GEAR SHAFT BRAKE ASTERN HS PINION AST AHD AHEAD HS PINION FIXED PITCH PROPELLER • Mechanical • Hydraulic • Pneumatic • Electro-magnetic
CLUTCHES REVERSING GEAR ... AST AHD … may also be used with non-reversingMedium Speed Diesel Engines • Mechanical • Hydraulic • Pneumatic • Electro-magnetic
Many MEDIUM SPEED Engines … … and most SLOW SPEED Engines … … are REVERSING ENGINES
HP LP DOUBLE REDUCTION GEARS … … are utilized on the TSES VI AHD Twice! HP, HS PINION HP, LS PINION HP, 1st REDUCTION GEAR AST LP, HS PINION Common BULL GEAR (2nd REDUCTION GEAR) LP, 1st REDUCTION GEAR LP, LS PINION
GENERATOR ELECTRIC DRIVE common with GAS TURBINES controller Other GENERATORS M • Also used with…. • Medium Speed Diesels(Diesel-Electric Drive) • Non-reversing steam turbines (Turbo-Electric Drive) PROPULSION “BUS” PROPULSION MOTOR
G STEAM TURBINE M G … and COMBINED CYCLES “WASTE HEAT” BOILER GT 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 C Boost Power Plant: Gas Turbine C CODOG: GT takes over for Diesel(s) at high power CODAG: GT and Diesel(s) running at high power
STOP SLOW SLOW AHEAD ASTERN HALF HALF FULL FULL STBY FWE The Engine Order Telegraph (EOT) BRIDGE TELEGRAPH E.R. TELEGRAPH
AHEAD EMERGENCY FULL FULL HALF SLOW DEAD SLOW E E D D The Bell Book • ASTERN EMERGENCY FULL FULL HALF SLOW DEAD SLOW • STAND-BYDor“STDBY” • STOP OorX
X X 0815 0828 0821 0829 0741 0833 0736 0730 FWE X X X 0844 0834 0857 0915 0840 0854 D The Bell Book ARR Tenerife, CI 29 May 2005 ARR 0730 C-10813340; M- 555810 C- 10815690 M- 555821