Base Oil Keeps Ring Groove
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March 2024 - Marine Technology Reporter page: 45, which was established in 1969, designs and manufactures instrumentation for the oceanographic and hydrographic communities with a world- wide customer base that includes: subsea, hydrographic, metrological and positioning, oceanographic, ports, har- bours, dredging, energy and scienti? c research sectors
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March 2024 - Marine Technology Reporter page: 42NEW TECH OCEANOLOGY INTERNATIONAL 2024 Image courtesy Greg Trauthwein Image courtesy BIRNS MacArtney launches the new ultra-compact ø12.7 mm SubConn Nano connector. Innovative connectivity built on 45 years of ? eld-proven and market-trusted design. Image courtesy MacArtney Birns celebrated its 70th
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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: 36LANDER LAB #10 Of special interest for marine applications, LiPo batteries are Shipping any kind of lithium battery can be a challenge, and offered in a “pouch” design, with a soft, ? at body. The pouch IATA regs vary with the batteries inside or outside an instru- is vacuum-sealed, with all voids ?
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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: 34made from some chemistries, some more than others. number of cells in a series. The capacity of a battery is its Batteries are assigned a capacity rating based on some mod- ability to discharge current over a period of time, measured erate Discharge Rate. If the actual rate exceeds that moderate in amp-hours
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March 2024 - Marine Technology Reporter page: 33regulated industry in the world.” How- ever, commercial success depends on many factors, not least a predictable OPEX. Over the past four years, SMD has worked with Oil States Industries to calculate cost per tonne ? gures for prospective customers. Patania II uses jet water pumps to Oil States’
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March 2024 - Marine Technology Reporter page: 32tracks and buoyant syntactic foam. The collec- tion plan on nodules by March 2024. tion vehicle uses sonar to identify the position of the nodules UK-based Soil Machine Dynamics (SMD) designed, devel- and has attained collection ef? ciency rates of at least 97% in oped and delivered the mining machinery
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March 2024 - Marine Technology Reporter page: 30FEATURE SEABED MINING bilical. It has passive heave compensation which nulli? es the necott. “The focus since then has been on scaling while en- wave, current and vessel motions that in? uence loads in the suring the lightest environmental impact,” says The Metals power umbilical. The LARS can
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March 2024 - Marine Technology Reporter page: 29to con? rm mining guidelines this July, or perhaps next. Nearly two thirds of the licenses are for nodule mining, the most advanced sector. Belgium-based GSR, part of the DEME Group, has Transocean as a cornerstone in- vestor, and it conducted trials of a patented nodule collector, Patania II, at 4
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March 2024 - Marine Technology Reporter page: 27SEA-KIT USV Maxlimer returning from HT-HH caldera in Tonga. © SEA-KIT International data and further assess ecosystem recov- ery. What is known, noted Caplan-Auer- bach, is that the impact of submarine vol- canoes on humans is rare. “The HT-HH eruption was a tragedy, but it was very unusual. It let us
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March 2024 - Marine Technology Reporter page: 25tists uncover the behaviors of underwa- marine ecosystems, providing a new ment and recovery both in Tonga and the ter volcanoes. “We can use hydrophones baseline for monitoring future recovery. wider Paci? c Ocean. Mackay, who spe- to detect submarine landslides as well “Preliminary water column data from
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March 2024 - Marine Technology Reporter page: 19using the sector since 2001. FORCE Technology’s SeaCorrTM software, it’s possible to easily identify issues such as hotspots including areas of un- tion based on condition of CP system, Current drain (from der-protection as well as the impact of CP current drain e.g., anodes on pipeline/structures to adjacent
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March 2024 - Marine Technology Reporter page: 18TECH FEATURE IMR There are also weaknesses in terms of accuracy because of FiGS Operations and Bene? ts signal noise and the ability to detect small ? eld gradients. In Conventional approaches to evaluating cathodic protection this process there is a risk that possible issues like coating (CP)
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March 2024 - Marine Technology Reporter page: 17stabs are limited to just providing a poten- tion, and a combination of these methods may also be used to tial pro? le on the structure/pipeline based on known formulas. obtain a comprehensive understanding of the anodes’ condi- Such technologies will not be accurate enough to provide ac- tion. The
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March 2024 - Marine Technology Reporter page: 15sensor options for longer mission periods. About the Author For glider users working in ? sheries and conservation, Shea Quinn is the Product Line Manager the Sentinel can run several high-energy passive and active of the Slocum Glider at Teledyne Webb acoustic sensors, on-board processing, and imaging
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April 2024 - Maritime Reporter and Engineering News page: 47MARKETPLACE Products & Services www.MaritimeEquipment.com Powering the fleet for 60 years! HYDRAULIC NOISE, SHOCK AND VIBRATION SUPPRESSOR Noise, Shock, VibraO on & PulsaO on in Quiet, Smooth Flow Out Oil Bladder Nitrogen (blue) Manufactured by MER
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April 2024 - Maritime Reporter and Engineering News page: 42for it. sidered independently, while the way to tives of owners, seafarers, manufactur- “Rather than focusing on individual evaluate integrated system is based on ers and regulators. parts of the industry, or fractions of it, outcomes. SOLAS is also descriptive, A Master Mariner with corporate ex- we should
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April 2024 - Maritime Reporter and Engineering News page: 41Nautel provides innovative, industry-leading solutions speci? cally designed for use in harsh maritime environments: • GMDSS/NAVTEX/NAVDAT coastal surveillance and transmission systems • Offshore NDB non-directional radio beacon systems for oil platform, support vessel & wind farm applications
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April 2024 - Maritime Reporter and Engineering News page: 40display on a tablet, so it aim of improving safety and wellbeing onboard. can be viewed from anywhere on the ship not just the bridge. Groke Pro is based on unique AI based sensor fusion tech- Six Japanese companies have now invested in Groke Tech- 40 Maritime Reporter & Engineering News • April 2024 MR
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April 2024 - Maritime Reporter and Engineering News page: 39costs. Norway OKs Ammonia Bunkering Terminal The Norwegian Directorate for Civil Protection gave its ap- shore supply vessels that regularly call at Fjord Base in Florø. proval to the construction of the planned ammonia bunkering The planned terminal is part of Yara Clean Ammonia and facility at Fjord Base
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April 2024 - Maritime Reporter and Engineering News page: 38fuel lique? ed natural gas (LNG)-powered containerships: Quetzal, Copan, Tiscapa and Torogoz. The 1,400 TEU ves- sels were ordered in 2022 by Singapore-based Eastern Paci? c Shipping (EPS) for scheduled delivery from South Korea’s Hyundai Mipo Dockyard in 2025. EPS will charter the ships out to Crowley
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April 2024 - Maritime Reporter and Engineering News page: 37of also ensures future of? cers are comfort- er, smarter and greener maritime future.” vessels, it is clear that tomorrow’s sea- able working with cloud-based tools, as farer is going to have to be more technol- these will play a major role in autono- ogy-savvy than in previous years,” says mous ships.