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  2. Marine propulsion - Wikipedia

    en.wikipedia.org/wiki/Marine_propulsion

    Some warships, and a few modern cruise ships have also used steam turbines to improve the efficiency of their gas turbines in a combined cycle, where waste heat from a gas turbine exhaust is utilized to boil water and create steam for driving a steam turbine. In such combined cycles, thermal efficiency can be the same or slightly greater than ...

  3. Rolls-Royce MT30 - Wikipedia

    en.wikipedia.org/wiki/Rolls-Royce_MT30

    The Rolls-Royce MT30 (Marine Turbine) is a marine gas turbine engine based on the Rolls-Royce Trent 800 aero engine. The MT30 retains 80% commonality with the Trent 800, the engine for the Boeing 777. The maximum power rating is 40 MW and minimum efficient power 25 MW. [1] Rolls-Royce announced the MT30 program on 11 September 2001.

  4. Components of jet engines - Wikipedia

    en.wikipedia.org/wiki/Components_of_jet_engines

    The propelling nozzle converts a gas turbine or gas generator into a jet engine. Power available in the gas turbine exhaust is converted into a high speed propelling jet by the nozzle. The power is defined by typical gauge pressure and temperature values for a turbojet of 20 psi (140 kPa) and 1,000 °F (538 °C). [18]

  5. Gas turbine - Wikipedia

    en.wikipedia.org/wiki/Gas_turbine

    A gas turbine or gas turbine engine is a type of continuous flow internal combustion engine. [1] The main parts common to all gas turbine engines form the power-producing part (known as the gas generator or core) and are, in the direction of flow: a rotating gas compressor; a combustor; a compressor-driving turbine.

  6. Rolls-Royce WR-21 - Wikipedia

    en.wikipedia.org/wiki/Rolls-Royce_WR-21

    The turbine itself was designed primarily by Rolls-Royce with significant marine engineering and test facility input from DCN, with Northrop Grumman responsible for the intercooler, the recuperator and system integration. [1] [2] WR-21 development draws heavily on the technology of the successful Rolls-Royce RB211 and Trent families of gas ...

  7. Turbomachinery - Wikipedia

    en.wikipedia.org/wiki/Turbomachinery

    A steam turbine from MAN SE subsidiary MAN Turbo. In general, the two kinds of turbomachines encountered in practice are open and closed turbomachines. Open machines such as propellers, windmills, and unshrouded fans act on an infinite extent of fluid, whereas closed machines operate on a finite quantity of fluid as it passes through a housing or casing.

  8. General Electric LM2500 - Wikipedia

    en.wikipedia.org/wiki/General_Electric_LM2500

    The General Electric LM2500 is an industrial and marine gas turbine produced by GE Aviation.The LM2500 is a derivative of the General Electric CF6 aircraft engine.. As of 2004, the U.S. Navy and at least 29 other navies had used a total of more than one thousand LM2500/LM2500+ gas turbines to power warships. [1]

  9. Marine LNG Engine - Wikipedia

    en.wikipedia.org/wiki/Marine_LNG_Engine

    A marine LNG engine is a dual fuel engine that uses natural gas and bunker fuel to convert chemical energy in to mechanical energy. Due to natural gas' cleaner burning properties, the use of natural gas in merchant ship propulsion plants is becoming an option for companies in order to comply with IMO and MARPOL environmental regulations.

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