asteroza + vertical   79

O-Wind Turbine | James Dyson Award
Bizarre hybrid HAWT/VAWT to handle chaotic urban wind with substantial vertical and horizontal components with rapidly changing direction
crosswind  vertical  horizontal  vent  ball  wind  turbine  power  generator 
october 2018 by asteroza
Gravitricity
This one is a straight up winched weight in a shaft, rather than vertical bore hydraulic piston
gravity  potential  energy  storage  green  vertical  bore  silo  piston 
june 2018 by asteroza
Silo Grill
Weird vertical charcoal grill, trying to go 3D to more efficiently use the charcoal heat, so the sides are suitable for kebab/skewered foods, and the top is a more conventional grilling surface.
vertical  charcoal  kebab  skewer  grill  camping  cooking  tools  utensils  Delicious 
june 2016 by asteroza
Crowdfunding Renewable Energy - Ocean Energy Turbine
Odd VAWT using feathering/oscillating blades, as a water current turbine.
venetian  blind  ocean  river  tidal  current  water  turbine  power  generator  oscillating  blade  feathering  VAWT  vertical  green  energy  Delicious 
april 2014 by asteroza
Sky Green - Technology
Odd vertical farming layout hardware. Basically uses a continuous chain loop/ferris wheel to carry troughs up a vertical distance. So at first glance, probably not hydroponic compatible. Also, seems to focus on leafy plants, and the troughs may be shaded for half a transit on the loop. Still interesting. Apparently in commercial use in Singapore.
singapore  wheel  ferris  loop  elevator  trough  A-Go-Gro  agriculture  farming  urban  vertical  Delicious 
november 2012 by asteroza
HARVISTOR
Looks like these guys are claiming some improvements on traditional darrieus turbine, by using foils that have active AoA pitch adjustment and some sort of double ended/reversible airfoil.
AoA  adjustment  control  angle  attack  pitch  airfoil  active  eggbeater  energy  green  microturbine  generator  power  turbine  wind  axis  vertical  Darrieus  VAWT  format  size  small  DARWIND5  Delicious 
october 2012 by asteroza
Sandia National Laboratories: News Releases
Interesting egg beater VAWT on a spar buoy concept, but if you are doing VAWT, wouldn't a helical gorlov turbine be better? Whether a spar, or a tension leg platform is better is up for debate, but a helical gorlov with a lower ring driving multiple smaller generators that also double as bearings to offload bearing torques on the center post (thus making the center post lighter), mounted on a three post tension leg offshore platform seems like win/win situation. Keeps the turbine light, increases redundancy (and provides scale economies) for the generator component, and isn't hideously complex. But, how to clear the the first 50 foot air layer where wind is weaker is an issue, one that HAWT addresses due to blade clearance issues.
offshore  wind  turbine  design  research  development  VAWT  vertical  axis  spar  buoy  Delicious 
august 2012 by asteroza
British to Test Geoengineering Scheme - Technology Review
I think the geoengineering test results will probably be inconclusive due to scale, but the materials science and manufacturing research to make the early test's 1Km tall water pipe, and the projected follow on 20km tall vertical pipe for sulfur dioxide particles is more applicable to other industries. The 20 Km pipe would face a minimum raw 6000 bar pressure at the base, and there are wind/torsion loads too. That assumes it is one monolithic pipe though. Easy trick is embedding an electric cable/tether, and putting electric boost pumps at intervals so the bottom raw pressure is less.
geoengineering  terraforming  climate  control  alteration  test  experiment  LTA  vertical  water  pipe  stratospheric  particle  injection  engineering  research  materials  science  manufacturing  Delicious 
september 2011 by asteroza
Pythagoras Solar: HomePage
Using double pane window optical tricks and a somewhat thicker window panel, this company claims to hold off IR while generating solar power through a venetian blind solar PV array embedded in thicker double pane glass windows, for vertical solar array integration into building facades. Not a bad idea...
building  integrated  photovoltaics  window  embedded  optics  tricks  solar  PV  glass  vertical  venetian  blind  array  Delicious 
june 2011 by asteroza
PlantLab
Seem to have a good setup for fully automated indoor vertical farming using controlled environments and plant specific optimized LED lighting.
automated  agriculture  urban  farming  indoor  vertical  farm  growop  hydroponics  controlled  environment  local  sourcing  food  Delicious 
may 2011 by asteroza
Bluenergy Solarwind™ Turbine Home
Uh, I can't imagine this having very high efficiency via either power method though...
Bluenergy  hybrid  solar  PV  array  panel  helical  VAWT  vertical  wind  turbine  power  generator  green  energy  Delicious 
april 2011 by asteroza
Technip launches Vertiwind floating wind turbine project | Technip
Vertiwind aims to cut costs by using a low center of gravity VAWT, which in theory cuts down on the structure and mass of the buoy/floating structure to support the wind turbine. If you are forced to have semisubmersible styled platform to support a wind turbine, the beam of a VAWT can be reasonably compensated by the platform beam already. If it was supposed to be a spar buoy platform, you may be forced to position the VAWT higher to counteract motion to keep the sweep radius of the blades above wave height when tilted.
Technip  Vertiwind  VAWT  ocean  marine  offshore  floating  structure  platform  vertical  axis  wind  turbine  power  generator  green  energy  Delicious 
february 2011 by asteroza
Caltech Researchers Find Schooling Fish Offer New Ideas For Wind Farming
Interesting idea for using constructive interference from VAWT wind turbine shed vortexes to boost apparent wind for other turbines in the array, much the same way as schools of fish and perhaps flocks of birds scavenge the vortexes being shed by the lead animal to reduce their own drag and increase lift. Only problem is that you have to tune the turbine array layout to the predominant wind speed and direction, so off-spec wind could potentially hurt performance. Winglets on individual rotors may be more universal. But many places have fairly predictable wind patterns, so the layout trick still has merit.
VAWT  vertical  axis  wind  turbine  power  generator  green  energy  site  array  layout  research  performance  boost  constructive  interference  vortex  biomimicry  arrangement  Delicious 
june 2010 by asteroza

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