Use Carbon Steel Shafting
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March 2024 - Marine Technology Reporter page: 4th CoverGlow a little longer. Superior sensor performance on a rmance on a – – RBRtridentfraction of the power RBRtridente teee ackscatter or turbidity with hi i in n n t t th h h he e e s sa a am m m me Measure chlorophyll a, fDOM, and backscatter or turbidity within the same e e sensor package using the
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March 2024 - Marine Technology Reporter page: 45of Unique’s Singapore base, giving customers in South East Asia fresh access to the calibration free µPAP SSBL sys- tems and the lightweight, robust and user-friendly EM2042, globaloceandesign.com launched in September 2023. [email protected] 858.560.1799 www.marinetechnologynews.com MTR #3 (34-47)
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March 2024 - Marine Technology Reporter page: 44task coastal infrastructure. The CL-360 Marine is the only lidar of evaluating and classifying the potential objects of interest. system designed for use on an uncrewed surface vessel (USV) Teledyne Geospatial brought its latest advancements in that provides survey grade range and accuracy. ocean mapping
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March 2024 - Marine Technology Reporter page: 43transducers or cabinet of electronics. That bilities that enhance both its operation and data quality. means no additional hardware beyond what is used for the The system is a drop-in replacement for the GeoPulse Pinger EM 124 or EM 304 MBES systems – which is in most cases using the 5430A transmitter
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March 2024 - Marine Technology Reporter page: 39. Starting voltages are all above 12v, while the energy capacity is progressively reduced. Max discharge rate is 1/7C. of a larger battery pack. Once used, they are discarded. Secondary cells or batteries may be tested then recharged. Batteries intended for cold environments can be placed in a refrigerator
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March 2024 - Marine Technology Reporter page: 38. CHARGING Dependable performance and long battery life depend upon The CBA’s intuitive software is designed to protect both the proper battery charging. Use a charger designed for the batter- CBA and the batteries being tested, providing automatic sens- ies you have. Universal smart chargers are pre-programmed
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March 2024 - Marine Technology Reporter page: 37the 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 additionally used as an expendable ballast weight. Hence, the modi? ed battery as- sembly was contained in a low-cost plywood box potted with hot tar. A pressure-compensat
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March 2024 - Marine Technology Reporter page: 36to the electrolyte. came from a maximum of 96 PBOF LiPo battery packs, di- If sealed with a rubber diaphragm, the battery must be vent- vided into three buses. The sub could operate off a single ed to manage gases formed during charging. (Myers, 1968) bus in emergency mode. All power and control signals
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March 2024 - Marine Technology Reporter page: 35period of time. As a consequence of earlier mis- Increasing the ambient pressure on a battery capable of pres- fortune, each cell is built with an internal fuse to protect it sure compensation has no effect on the reaction rate as the from being shorted and discharging rapidly with its attendant solid or
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March 2024 - Marine Technology Reporter page: 34There are two broad classes of batteries, primary and second- that even on the shelf under no load, the cell’s reactants will ary. Primary cells can be used once, as the chemical process slowly combine and reduce the amount of energy available. 34 March/April 2024 MTR #3 (34-47).indd 34 4/4/2024
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March 2024 - Marine Technology Reporter page: 33OPEX. 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’ Merlin riser systems were lift nodules into a collection drum. successfully deployed on both the TMC / Allseas and
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March 2024 - Marine Technology Reporter page: 32- the Pentagon is expected to deliver an ac- light plastic tracks 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
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March 2024 - Marine Technology Reporter page: 29a patented nodule collector, Patania II, at 4,500 meters in the Clarion Clipperton Zone in 2021. Full-scale trials will be conducted in 2027. Patania II uses jet water pumps to lift nod- ules into a collection drum. Peer-reviewed research has indicated that released sedi- ment-laden water led to a low-lying
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March 2024 - Marine Technology Reporter page: 25future manage- tists 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
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March 2024 - Marine Technology Reporter page: 19, structure is the large amount of accurate information obtained project management, inspection, over a relatively limited extent of time. Also, because FiGS sales, marketing and management in data is combined with detailed CP models developed using the sector since 2001. FORCE Technology’s SeaCorrTM
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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: 17available for measuring CP condi- frequent calibration stabs 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
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March 2024 - Marine Technology Reporter page: 16Svenn Magen Wigen, FORCE Technology he principle behind sacri? cial anodes, which are water structures, reducing the need for frequent repairs and used to safeguard underwater pipelines and struc- replacements, which also aligns well with sustainable opera- tures from corrosion, is relatively straightforwar
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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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March 2024 - Marine Technology Reporter page: 14different sensor or hardware integrations. tions,” said Quinn. “The size of the Sentinel gives it the energy capacity to in- The Slocum Sentinel Glider uses the established piloting, crease mission length to over 2 years; or users can ? t more ? ight control, and communications architecture of the Slocum
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March 2024 - Marine Technology Reporter page: 13Glider answers that need,” said Shea autonomous underwater ve- range of missions. Quinn, Slocum Glider Product Line hicles (AUVs) is certainly “As the use of Slocum Gliders grew, Manager at TWR. A familiar with the popular- so did demand for increased capabil- The Slocum Sentinel Glider scales ity this
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March 2024 - Marine Technology Reporter page: 11their own, furnished with a live ? re environ- ment in which to re? ne techniques and procedures, and to build a valuable foun- dation of knowledge for use not only in future post-con? ict clearance ops, but during future con? ict scenarios as well. www.marinetechnologynews.com 11 MTR #3 (1-17).indd
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March 2024 - Marine Technology Reporter page: 9electro-optical detection from the air operated vehicle (ROV) that enables standoff EOD from either using manned or unmanned aerial systems (UAS). And because a surface vessel or helicopter. Archer? sh, from BAE Systems, they are adrift, these mines are also challenging to neutralize. is a similar system
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