Shipboard Electricity Secondary
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March 2024 - Marine Technology Reporter page: 39Photo courtesy Global Ocean Design Figure 7 A 35Ah AGM lead-acid battery is tested using the West Mountain Radio CBA to show the effect of simply ? lling the battery voids with mineral oil as a compensating ? uid. The CBA is programmed to cut-off at a voltage of 10.50v. The top line (red) shows the
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March 2024 - Marine Technology Reporter page: 37miscible barrier ? uid heavier than seawater (sg=1.026) and lighter than the battery electrolyte (sg=1.265). The original cell vent cap was screwed into the top of the riser pipe to vent the gases associated with charging. Wires were soldered to the lead (Pb) posts. The lead-acid battery was additionall
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March 2024 - Marine Technology Reporter page: 35Figure 1 A self-righting vehicle design with buoyancy high and weight low, WHOI’s SeaBED AUV captures the attention of a pair of curious Antarctic penguins as it is deployed from the British research vessel James Clark Ross. Vehicle designers allowed for temperature reduction of battery capacity. Recharge
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March 2024 - Marine Technology Reporter page: 34LANDER LAB #10 BATTERY PACKS, CHARGING, AND CAPACITY TESTING Photo Credit: Hanumant Singh / Woods Hole Oceanographic Institution. By Kevin Hardy, Global Ocean Design LLC n ocean lander has many strengths including that produces the current is irreversible. Examples include ? exibility of deployment
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April 2024 - Maritime Reporter and Engineering News page: 38Dadong Dock- yard Co., Ltd. (HRDD). ClassNK reviewed the system components and the installation plan, aligning with its comprehensive "Guidelines for Shipboard CO2 Capture and Storage Systems." Image courtesy Crowley 38 Maritime Reporter & Engineering News • April 2024 MR #4 (34-44).indd 38 4/5/2024
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April 2024 - Maritime Reporter and Engineering News page: 13from gasoline to methanol, but compared to just buying an EV After some pondering, I think I can reduce it to this logi- today that is a pointless exercise. It would actually make more cal sequence: sense to buy a plug-in hybrid that is con? gured for methanol It is the carbon. We want zero carbon as
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April 2024 - Maritime Reporter and Engineering News page: 12Back to the Drawing Board When Efficiency Does Not Help Sustainability By Rik van Hemmen y brother and I had a discussion about methanol This study concluded that the Toyota Prius Prime is the green- where we concluded that methanol is a prom- est car you can buy in the United States. ising sustainable
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April 2024 - Marine News page: 24Feature Navigation cables, 9 miles of cables connecting substations and up to blurred, undependable information for vessel crews. two export transmission cables with “associated secondary In the fairways Notice, the USCG references the NAS cable protection” (text is from the permit) within a 42-mile-
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February 2024 - Maritime Reporter and Engineering News page: 36HYBRID 2-stroke controllable pitch propeller PTO powertrain Source: MAN Energy Solutions how the system is intended to operate, says Oskar Levander, VP Strategy & Business Development, Kongsberg Maritime. For example, a primary shaft-driven PTO rotates whenever the engine is running; a secondary one
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February 2024 - Maritime Reporter and Engineering News page: 35PTI/PTO 30 years ago shaft generators with PTI capability kept container ships sailing at top speed. That purpose gone, PTI/PTO is making a new comeback in more cargo shipping segments, this time for reducing emissions. By Wendy Laursen etro? tting a shaft generator is not an insigni? - the ef? ciency
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February 2024 - Marine News page: 41Shipyards GLT said its Great Lakes Shipyard division is very famil- form for response to iar with the Anthony J. Celebrezze’s systems and operation, shipboard or shoreside ? res, particularly in ports where a having provided drydocking, maintenance and repair ser- high volume of winter ship repair work
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February 2024 - Marine News page: 29Feature Offshore Wind Ørsted now has some signi? cant challenges. In? ation is de? nitely one of them,” said Jan Sloth Møller, offshore site manager at Ørsted. But he noted that the goals and ambitions held by federal and state governments could create an openness to reevaluate funding arrangements for
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February 2024 - Marine News page: 24to the USCG’s 2021 SMS Notice, that he did recommendations. Another recommendation: provide not want to be dismissive of safety and documenting safe shipboard employees with personal locator beacons (PLB) operations, but “a full blown SMS can be very costly to to aid in the location of persons in the
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January 2024 - Maritime Reporter and Engineering News page: 13wingsail design since 2018 by French where apparent wind takes precedence under engines alone. Critically, despite tech startup AYRO has the potential to over true wind. AYRO’s wingsails gen- originally being developed to be handled leave a much larger legacy; by provid- erate propulsive force even
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November 2023 - Marine Technology Reporter page: 19to see if it can be increased. ISO-NE noted the upper limit About the Authors for a single system contingency to be 2,000 MW -- instead of the stated 2,200 MW -- and sought study up to that lower Paradise 2,000 MW limit. While a 2,000 MW operating ceiling would Theodore Paradise is a accommodate the
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November 2023 - Marine Technology Reporter page: 14against these threats? Current threat (ROVs), and underwater intruder submarine during inte- intelligence is essential, as is network sur- gration with shipboard veillance, “cyber hardening,” and robust detection systems (IDS) systems. Speaking in anti-tamper technologies. Given the sheer 2014 before the
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November 2023 - Marine Technology Reporter page: 6Authors & Contributors Frank Ewing Gullick Konowe Skucas Lundquist Paradise Strachan Ewing Konowe the changing landscape of the electric Tom Ewing is a freelance writer Celia Konowe is from Reston, Va., and industry, advising clients regarding specializing in energy and environmental has a bachelor’s
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December 2023 - Maritime Reporter and Engineering News page: 23JUHA KYTÖLÄ, WÄRTSILÄ Inside Wärtsilä’s Sustainable Technology Hub The 150-meter-long vessel, touted by its operator as one of the world’s greenest, features an integrated package of Wärtsilä solutions, includ- ing four Wärtsilä 31 engines; exhaust treatment; LNGPac technology for LNG storage, supply
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November 2023 - Marine News page: 57recent years, Kytölä said. In 2022, the company dedicated €241 million (about $255 million) to R&D expenditure, or 4.1% of its net sales, up from €165 million (about $175 million) and 3.2% in 2018. In particular, the company has been working to maxi- mize the ef? ciency of its portfolio of gas, diesel
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November 2023 - Marine News page: 28Feature Power & Propulsion Seabulk Towing Seabulk’s ? rst ever electric-hybrid tugboat, Spartan, was built by Master Boat Builders and delivered in 2022. is based. Kirby’s role goes beyond vessel operating. The ing. Thus, these vessels may be candidates for electri? cation vessel was built in
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November 2023 - Maritime Reporter and Engineering News page: 60MARKET IN FOCUS: OFFSHORE WIND The $1 Billion Offshore Wind Prize for U.S. Shipyards The growing CTV and SOV market represents a long-term demand for at least 60 to more than 130 vessels. By Philip Lewis, Research Director, Intelatus Global Partners he U.S. offshore wind market presents a $1 billion the
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September 2023 - Marine Technology Reporter page: 42MTR Subsea Bat eries 100 Source: Electrochem Source: RBR Global Electrochem Solutions produces lithium-oxyhalide batteries, a type of lithium primary battery that use a lithium metal anode and a liquid cathode that doubles as the electrolyte. RBR has deployed its RBRfermata battery canister and its
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September 2023 - Marine Technology Reporter page: 25Falmouth Scienti? c Inc. www.falmouth.com Falmouth Scienti? c, located in the heart of the New England marine technology cluster, has a 10,000 sq. ft purpose built facility allows for innovative and reliable sensor, system and transducer solutions for a variety of global applications in salt and
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September 2023 - Maritime Reporter and Engineering News page: 51structure faces signi? cant and increasing cybersecurity risks Winter, director of the Belgian Navy’s Maritime Operations in the form of threat actors, vulnerabilities and potential Centre, said, “One of these threats is espionage and sabotage impacts.” The threat actors highlighted in the report: