asteroza + mass   41

Cimpress - The world leader in mass customization.
Simple mass customization, but they seem to have the method down for certain types of customization.
mass  customization  service  manufacturing 
october 2017 by asteroza
SinkFloatSolutions | The affordable energy transition
Potential energy gravity based energy storage, using a huge mass on a winch over deep water.
ocean  buoy  buoyancy  buoyant  mass  gravity  potential  energy  storage 
november 2016 by asteroza
None
Interesting low mass closed loop fuecell/electrolyzer stack as a battery alternative.
ESA  low  mass  fuelcell  electrolyzer  electrolysis  closed  loop  energy  storage  battery  alternative  space  research  technology  hardware  electronics  devices  Delicious 
march 2015 by asteroza
Hydraulic Hydro Storage: The Optimal Energy Storage System
Interesting take on pumped hydro, using a giant solid stone piston for the compression mass, cut using an upper and lower ring tunnel connected by a wire saw. So basically an excavate in place scheme for a high mass, rather than say Gravity Power, which uses a vertical TBM and an artificial (concrete?) piston. Still uses water as the working fluid, no indication if this is closed loop. Some of the drawings even show the piston cut from the ground surface, which means as you store energy, this giant cylinder rock mass rises from the ground like a mountain...
pumped  wire  monolithic  green  cylinder  stone  hydro  mass  piston  power  generator  hydroelectric  saw  compression  energy  gravity  storage  Delicious 
july 2013 by asteroza
Very High Speed Transit System
Interesting bit on a possible nuclear subterrene, a tunnel boring machine using an high heat annular cutting face, which melts the rock and seals the tunnel, while passing over a smoothed out rock core that can be cut into large blocks for debris removal and transport.
technology  rock  study  architecture  transportation  transit  megaproject  mass  melting  megaengineering  VHST  boring  train  vacuum  construction  melt  pod  subterrene  vactrain  RAND  machine  nuclear  TBM  megastructure  resarch  tunnel  Delicious 
june 2013 by asteroza
ABB demonstrates technology to power flash charging electric bus in 15 seconds
Fast charge systems have been proposed in the past for pseudo-trolleybuses and trolleybuses with limited off-route capability via battery. With current PHEV and EV bus types, this might have legs, as it avoids trolleybus electric line infrastructure, and in many places, people expect enclosed bus stops so the charger infrastructure can be built into the stop more easily.. Though from an installation and operations standpoint, a wireless charge pad embedded in the road in front of stop seems potentially more usable. The real problem is the fast charge itself, as most batteries can't accept power that fast, so you are forced to move into supercapacitor type systems, or perhaps electric flywheels.
pad  flash  recharger  trolley  technology  bus  charger  station  electric  transportation  transit  contact  trolleybus  mass  automotive  ABB  recharge  charge  overhead  TOSA  fast  Delicious 
june 2013 by asteroza
Primus Power: Smart Grid Storage
Basically, avoid custom tanks for flow battery sites and base it on modular rack boxes (about a residential hot water heater in size), and focus on mass production economies of scale to improve the costs. Otherwise, you tend to keep running into first of a kind types of costs. You loose some efficiencies, but the argument can be made that you can increase total flow by dispersing valves and pumps. Making the whole thing modular has benefits for site expansion and minimum hardware for initial operations.
zinc  flow  battery  energy  storage  research  mass  production  Modular  tank  smartgrid  Delicious 
june 2011 by asteroza
SustainX Energy Storage Solutions
Interesting use of water to both keep the compression isothermal, and to store heat for later when expanding to keep the expansion cycle isothermal. But they are advocating using compressed air tankage (gas cyclinder) rather than salt domes, so there is a high capital cost of tanks issue that needs to be addressed. Hrm, this ends up being similar to the Energy Bag guys, since they would use seawater to both release and recover heat via heat exchanger/recuperator. But if you are getting worked up over heat recovery, why not go for hotter compression cycles and store the heat as a molten salt?
SustainX  isothermal  compressed  air  energy  storage  CAES  ICAES  Water  spray  mass  injection  green  Delicious 
june 2011 by asteroza
BBC News - Goce satellite views Earth's gravity in high definition
That hole in the indian ocean sure is mighty suspicious. But the definition of the meaning of the "below geoid" level isn't clear to me. Does that mean the hole in the indian ocean is not a gravity dense area?
earth  gravity  map  space  science  research  observation  mass  distribution  geography  physics  reference  satellite  Delicious 
june 2010 by asteroza
Technology Review: Making Carbon Nanotubes into Long Fibers
Generic long nanotube fibers which can scale to hundreds of meters now possible. Only problem is the process to spin fiber for conductive applications, such as transmission lines, requires very high purity source metallic carbon nanotubes. That's the other big problem of production, as there is still work to do to do mass separation of bulk nanotubes into metallic and semiconductor types at high purity .
carbon  nanotube  fiber  mass  production  technique  materials  science  research  technology  nanotechnology  self  assembly  superacid  processing  manufacturing  Delicious 
november 2009 by asteroza

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