It's Electric! Military Marine Machines

Electric and water do mix! Propulsion systems selection is an important part of naval ship design. These systems have to satisfy speed and ship-service power requirements. Increasing fuel costs are moving such decisions towards more fuel-efficient solutions. Go US Navy!

And these systems may not be all-electric yet incorporate the latest and what is landing in the water. Unlike commercial ships, naval ships operate at a variety of speeds and electric loads, making fuel consumption optimization challenging. Propulsion System choices for modern Naval Vessels depends on some criteria: Traditional criteria • ship speed requirements • shock capability • noise reduction • infrared signature Additional criteria • change in operation requirements • greater range of speed • added mission flexibility • longer periods away from base with smaller crews • cleaner emissions An emerging global macro-trend in naval engineering over the last fifteen years has been a decisive migration to ‘more electric’ propulsion due to progressively increasing electrical load demand and a focus on affordability. All-electric and hybrid electro-mechanical arrangements are routinely demonstrating merit since 1990 in the Royal Navy Type 23 ASW frigate and subsequent modern frigate programs. These include the Royal Navy Type 26, German Navy F125, Spanish Navy F110, Italian and French Navies’ FREMM, Republic of Korea Navy FFX-II frigate and Finnish Navy SQ2020 frigate programs. Types of Propulsion Systems: Combined diesel or gas (CODOG) Combined diesel and gas (CODAG) CODLAD (COmbined Diesel-eLectric And Diesel) Combined diesel-electric and gas (CODLAG) Combined diesel and diesel (CODAD) Combined gas or gas (COGOG) Combined gas turbine and gas turbine (COGAG) Combined nuclear and steam propulsion system (CONAS) Integrated electric propulsion (IEP) Read the full article on: The specifications of Warships and Submarines:

Credits to Navy Post.

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