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Ships' gas mileage varies depending on the type and size of ship, the number of passengers on board, and other factors. MS Viking Grace is also the world's first ship with the energy recycling system "Ocean Marine" (developed by Climeon AB / Stockholm-based company). The system converts the excess heat (generated by engines and exhausts) into clean (emission-free) electricity with an annual capacity of 700,000 kWh.
What is the Definition of a ‘Cruise Approved’ or Cruise Compliant Power Strip
The main difference is that instead of the engine and pistons being connected directly to the crankshaft and propellers, it is connected to a generator to generate electricity. Without a source of power, these huge cruise vessels would be nothing more than drifting aimlessly hotels. A large number of older ships use diesel reciprocating engines for generating power for propulsion. Cruise ship engine power is supplied through the transmission to the propeller shafts.
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Where can I buy a cruise-approved power strip?
Another cruise line that sails along the coast of Norway is Hurtigruten. In fact, the company sails to all kinds of arctic regions and specializes in expedition style, and destination focused travel. The company expects new builds in the future to see batteries of 50,000 kWh to 100,000 kWh, that’s 100 megawatt-hours of power. The AIDAprima ship's first successful test run for LNG supply was in Hamburg Germany on May 7, 2016. While berthed, the ship was successfully provided with LNG at all the itinerary's ports of call (Hamburg, Rotterdam, Le Havre, Southampton, Zeebrugge).
Everything You Need To Know About Cruise-Approved Power Strips
When the passengers return from their excursions, the ship is ready to move on. Rather than having a large room filled with all the different machinery that keeps the ship moving, the engine components are divided up into different rooms. The main engine won’t be in the same room as the air conditioning and heating systems.
Marine nuclear power engines
The basic detail about the cruise ship engine room is its location. For stability, the ship's heaviest weights are at its lowest possible deck, and usually, engines are mounted above the keel. An area creating enough power for driving such an enormous vessel through water needs to be really big - very often engine rooms occupy at least three decks. Rather than long halls stretching the length of hulls, machinery is almost always divided into smaller compartments - one for the main engines, another for the heating/air-conditioning system. If a penetration to the hull or fire happens, multiple compartments help contain the damage.
Because engines are so big, they can sometimes take up three whole decks. Because the pistons are fired by a consistent flow of electricity rather than burning fuel, they move at the most efficient speed. Electricity is also used to pump cool seawater through the engines to cool them and prevent overheating.
Well, before you rush to pack that power adapter or charging station, be aware that you are only allowed to bring a cruise approved power strip on board. Havila Voyages operates four cruise ships along the coast of Norway. Each vessel is powered by some of the largest battery packs at sea and can operate for up to four straight hours on battery power alone.
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This is where a cruise-approved power strip becomes your lifesaver. The electrical system on the ship is designed differently from those on land, and as such, it might not be able to endure the extra load or current that comes with a surge protector. Only a few ships use wind power, but it is a viable option for future ships. Wind power is the traditional method of sailing, and it makes sense to return to it in an effort to be more environmentally conscious. Prominent cruise lines like Cunard, Norwegian Cruise Line, and Carnival Carnival Cruise Line, have set ambitious targets to achieve net zero carbon cruising by the year 2050.
LNG tanks are two (type C / vacuum insulated), each with capacity 200 m3 and weight 140 tons (LNG weight 85 tons per tank). Using LNG to power large cruise ships is a relatively new (2016) concept. Due to LNG tanks' large sizes, this fuel is used usually on smaller passenger shipping vessels (ferries) operating on short crossing itineraries.
When cooled to -160 C, it passes from gas to liquid, and its volume decreases over 600 times, making it very efficient for distribution. Short-distance LNG transportation is via trucks or smaller vessels (also barges) fitted with high-pressure tanks. Rolls Royce is the manufacturer of the world's largest GAS marine turbine "Rolls-Royce MT30". The turbine will provide the immense 109 MW of power for the 2 propellers, all the weaponry, radars, command sys, etc. of the new generation UK aircraft carriers of the Queen Elizabeth class. To this class belong HMS Queen Elizabeth (2017-commissioned) and HMS Prince of Wales (2019-commissioned), each of them with a total power consumption of 80 MW. When entering service in 2004, the Cunard's QM2 was the biggest in the world at 150,000 GR tonnes.
If you’re looking for added protection against power surges, a surge protector is an excellent option. These devices come with multiple electrical outlets and have built-in surge protection to safeguard your devices against electrical surges. They are slightly more expensive than power strips but are worth the investment if you’re carrying expensive electronics on board.
Gas turbines drive generators which in turn provide electricity to propeller motors. They recover heat from gas turbines' exhaust, which then is used to produce the electricity needed for onboard services (air conditioning, water heating). In 2020, IMO (International Maritime Organization) implements its global 0,5% sulfur cap on marine fuels. Each fuel option is based on vessel type and age, routes/itineraries and powerplant.
As for smaller machinery (cabin lights, galley equipment), the electricity goes through the transformer and is thus stepped down into lower voltage. Large cables snake through all the ships to distribute electrical power. They carry power from generators to switchboards, through passageways, public rooms, crew and passenger cabins. If the electrical cables aren't truly redundant, even ships that feature two engine rooms suffer power failure. And besides all that, almost every ship in the fleet is a hybrid vessel with at least 3 being battery-hybrid-powered ships.
All new TUI ships are built to the latest standards with environmentally-friendly marine technologies. These vessels, both as design (hull and superstructure) and implemented technologies, are highly energy-efficient. The advanced exhaust cleaning system uses a catalytic and scrubber converter. This technology allows sulfur emissions to be reduced by 99%, and NOx emissions - by 75%. For most vessels, the average consumption is miles on a fuel gallon.
Some power strips also offer USB C ports, which means you can charge devices with USB-C connectors at a much faster speed. Having a cruise approved power strip can help ensure that your devices stay powered up and ready to capture all those moments. Besides the absence of surge protection, a cruise approved power strip might also have other features tailored for cruise travel. This is why you need to consider buying a cruise approved power strip.
Gas turbines, although they use a non-renewable energy source, are a greener option than diesel. They work the same way that diesel-electric propulsion systems do, and the heat that the turbines generate is often used for onboard electricity. Cruise companies employ new technologies in order to reduce fuel consumption. Ship's hull, for example, can be applied by silicon coating in order to reduce friction as the ship goes through the water.
