asteroza + marine   401

Maersk to pilot a battery system to improve power production
Looks like Maersk is trialing a 2 TEU (so forty foot container) battery pack for container ships to augment the house load generator for peaking and load leveling. Making it a container makes it easy to swap out too.
marine  engineering  battery  container  auxiliary  power  peak  load  leveling  ship  vessel  transportation 
10 days ago by asteroza
Inflated Wing Sails | concept
Interesting wing sail using a stacked series of inflated tubes to maintain rigidity.
yacht  boat  sailing  inflatable  wing  sail  wind  propulsion  research  technology  transportation  marine  engineering 
20 days ago by asteroza
the monotricat seems to be some sort of air ingesting monohull to try to do passive air lubrication
monotricat  passive  air  lubrication  drag  reduction  ship  boat  marine  engineering  design  italy  EU 
4 weeks ago by asteroza
.: Energy Observer :.
Interesting ship design, but the hydrogen production is rather energy intensive, limiting usability. Of note, they removed the VAWT's (and probably the traction kite sail) and have wingsails now, along with boosted solar PV cells.
hydrogen  yacht  boat  ship  marine  engineering  wing  sail  catamaran  sailing 
5 weeks ago by asteroza
Renewable CO2 recycling and synthetic fuel production in a marine environment | PNAS
some kind of offshore facility design for methanol production using ocean CO2 and solar power?
synfuel  synthetic  methanol  production  solar  ocean  marine  offshore  engineering  research 
5 weeks ago by asteroza
ホーム of J-DeEP技術研究組合 on Strikingly
That concept for an intermediate platform to support far offshore platforms from japan, as a heliport base and PSV base. This design seems to be a turreted platform with a rear submerged dock
J-DeEP  japan  offshore  support  platform  logisitics  base  heliport  marine  ocean  engineering 
10 weeks ago by asteroza
Nuclear Propulsion Along Inland Waterways
This is actually an argument in favor of mobile thermal batteries with their heat engines, and a recharging infrastructure (which preferably uses small nuclear heat sources). Fireless steam locomotives are still in use in select industries that use a large steam vessel recharged by an external steam source, but newer thermal batteries could improve on things.
mobile  thermal  battery  energy  storage  marine  propulsion  steam  engine  SMR  nuclear  reactor  heat  source 
july 2019 by asteroza
Principle Power, Inc. - Globalizing Offshore Wind
Apparently the leading semisub wind turbine type, and the leading floating type overall
floating  wind  turbine  power  generator  offshore  semisubmersible  marine  structure 
june 2019 by asteroza
High Level Review of a Wide Range of Proposed Marine Geoengineering Techniques | GESAMP
An apparently pretty good overview of current thoughts on marine based geoengineering concepts to alleviate climate change
marine  geoengineering  terraforming  CO2  management  climate  change 
may 2019 by asteroza
Welcome to Aquatraz, my fishy detainees...
floating  fish  pen  aqualculture  farm  marine  structure 
january 2019 by asteroza
CalWave | Converting Waves into Electricity and Freshwater
Some sort of "wave carpet" planar absorber located below waves, emulating the damping ability of muddy sea bottoms.
wave  carpet  energy  converter  absorber  power  generator  marine  offshore  research  technology 
october 2018 by asteroza
A comparison of the antifouling performance of air plasma spray (APS) ceramic and high velocity oxygen fuel (HVOF) coatings for use in marine hydraulic applications: Biofouling: Vol 34, No 5
Still kinda expensive to do a whole ship hull, but this basically uses a supersonic flamethrower to treat a metal surface with a carbide layer for biofouling protection, cuts fouling by 50% or more.
marine  materials  science  research  technology  carbide  surface  treatment  antifouling  coating  high  velocity  oxygen  fuel  plasma  spray 
october 2018 by asteroza
Sorta doing the equivalent of vertical farming, offshore using submerged kelp frames and shellfish racks, with the frames deep enough to avoid ships?
kelp  seaweed  shellfish  farming  offshore  ocean  farm  marine  permaculture  food  production 
october 2018 by asteroza
Practical Application Limits of Fuel Cells and Batteries for Zero Emission Vessels
Uh, they only cover batteries or liquid/gaseous hydrogen PEM fuel cells in the comparison, so kinda incomplete. So no LNG fuel cells, no fuel cell/microturbine hybrids using the microturbine combustor as a topping cycle. Also, the basic conclusion is huge vessels could run a full trip, but on liquid hydrogen only, and short trip ferries should look at batteries instead.
sandia  fuelcell  cargo  ship  propulsion  research  marine  engineering  design  vessel  green  transportation 
june 2018 by asteroza
Varyon Token Sale | Blue Frontiers
Wow, seasteading and an ICO? This will end in tears...
seasteading  offshore  platform  marine  engineering  cryptocurrency  ICO 
may 2018 by asteroza
some sort of startup focusing on retrofitting container ships for more automated operations?
autonomous  automation  retrofit  ship  vessel  marine  engineering 
march 2018 by asteroza
New boat hull antifouling paint using ceramic nanoparticles to make a surface so smooth that barnacles can bare stick, and even if they do you can wipe them off with a sponge
marine  antifouling  paint  polythiourethane  ceramic  particle  nanoparticle  materials  science  research  technology  germany  EU 
december 2017 by asteroza
Neander Shark
Makers of an interesting diesel engine that features two conrods per piston for extreme smoothness. Now teamed up with Yanmar for a diesel outboard.
Yanmar  diesel  outboard  engine  marine  propulsion 
october 2017 by asteroza
IEC TS 62600-20 PT20 – OTEC Presentation Madrid 16th March 2017
Looks like some OTEC design standards are shaping up, will help with certification
OTEC  marine  engineering  standard  design  rule  ocean 
june 2017 by asteroza
.: Energy Observer :.
Traction kite propulsion included, wonder if it's SkySails...
france  solar  hydrogen  ship  boat  yacht  vehicle  transportation  electric  traction  kite  sail  marine  engineering  propulsion  Delicious 
february 2017 by asteroza
Accio Energy
Uh, so releasing charged droplets from a wind permiated panel somehow generates large DC voltage differentials that can be harvested for power.
electrohydrodynamic  power  generator  ARPA-E  charged  mist  DC  green  energy  permiable  membrane  wind  offshore  buoy  marine  engineering  ocean  floating  Delicious 
december 2016 by asteroza
Supercritical Organic Rankine Cycle waste heate recovery generator for marine ga...
Interesting, for marine propulsion applications that use a gas turbine (selected for compactness/high power), exhaust gas waste energy recovery would be better served by a higher efficiency HRSG steam turbine, but the balance of plant of a steam turbine is so large that a supercritical organic rankine cycle, despite the lower efficiency, wins due to compactness pairing with the compact gas turbine.
supercritical  organic  rankine  cycle  power  generator  gas  turbine  exhaust  waste  heat  recovery  marine  Delicious 
november 2016 by asteroza
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