asteroza + loop   42

Coming Soon
Uses a closed loop ICE of sorts, using input hydrogen/methane and oxygen along with working fluid argon. Burn in a piston, condense out the water, membrane filter the CO2, and recycle the argon back to the cylinder.
argon  power  cycle  alternative  working  fluid  closed  loop  recycling  ICE  engine  generator  hydrogen  methane  oxygen  oxyfuel 
october 2018 by asteroza
Transactions of the Symposium on Space Nuclear Power Systems, (5th) Held at Albuquerque, New Mexico on January 11, 1988. | National Technical Reports Library - NTIS
The PDF contains info on wheelguns, giant counterrotating flywheel hoops in space to supply power to SDI weapons, mainly railguns/particle accelerator cannons/free electron lasers that need huge amounts of power right now. Appears to expect to be trickle charged over time by a small space nuclear reactor (SNAP? atomic teakettle?). Also has an interesting microwave power beaming scenario from a nuke in mars synchronous orbit to a ground rover, high performance radiators, including a fabric heatpipe radiator, a curie point magnetic liquid droplet radiator, and other power conversion concepts.
SDI  wheelgun  space  counterrotating  flywheel  hoop  energy  storage  power  generator  FEL  free  electron  laser  railgun  neutraal  particle  accelerator  cannon  military  WPT  microwave  transmission  mars  MSO  rectenna  rotating  loop  pulsed  fabric  radiator  heat  thermal  management 
march 2018 by asteroza
Taking Back Control: Next-Generation Cooking with Solid-State RF Energy [Speaker's Corner] - IEEE Journals & Magazine
Solid state microwave emitters with closed loop feedback could make superior microwave ovens. Offshoot of phased array radar work? Plus potentially more compact and efficient, leading to portable microwave ovens...
solid  state  ceramic  semiconductor  LDMOS  RF  microwave  amplifier  closed  loop  feedback  cooking  oven  kitchen  hardware  electronics  devices 
september 2017 by asteroza
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
ACT-RPR-NPS-1107-NTER-paper-final - ACT-RPR-PRO-1107-LS-NTER.pdf
NTER, a nuclear thermal electric rocket design. Uses LH2 propellant to cool a helium brayton cycle turbine fed by a NTR that heats hydrogen and helium, then tries to supercharge the supersonic nozzle exhaust with an induction loop (which seems to require cesium seeding in the exhaust??). Also has optional oxygen feed, to emulate LANTRN. Seems like you could do better with the NTR feeding a VASIMR though...
cycle  technology  turbine  thermal  electric  induction  acceleration  LH2  space  ESA  research  propulsion  brayton  nuclear  LANTRN  rocket  loop  generator  power  helium  NETR  LOx  augmented  nozzle  MHD  Delicious  aerojet  NTR  NERVA  bimodal  thrust  heating  turboinductor  turbo-inductor  NTER  supercharger  turbocharger  augmentation  heater  resistance  ohmic  inductive 
september 2013 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
Soft-Ride Bike Has Steel Tires, And You Can Ride It Now | Co. Design
Kinda reminds me of moon rover tires. Wonder what the rolling resistance is though...
technology  tire  bike  bicycle  loop  steel  spring  Delicious 
september 2011 by asteroza
Softbank founder backs Japan's shift to renewable energy | ITworld
Gee, people have been proposing an offshore HVDC grid intertie for japan for years. Why is he getting so much credit? Real balls is proposing interties to russia and korea up front rather than "later as part of a pan-asia supergrid". Also, needs to take some pointers from the guys at the other end of the supergrid, namely DESERTEC-australia.
Softbank  son  Masayoshi  japan  offshore  HVDC  grid  loop  smartgrid  submarine  ocean  power  cable  distribution  infrastructure  supergrid  Delicious 
september 2011 by asteroza
Eh, is arguably better...
humor  nyancat  nyan  cat  hatsune  miku  music  audio  loop  Delicious 
june 2011 by asteroza
Gravity Power Grid-Scale Electricity Storage System
Basically uses a closed loop of a large and small bore vertical silos linked together, with a huge weighted piston in the large bore, and reversible turbines at the surface level to complete the loop. Sane if the drilling of the large bore doesn't cost a fortune. Prefer to do it in a seismically inactive area unless you can figure out how to keep the bore from collapsing in an earthquake. Since it's closed loop, head pressure is not the defining characteristic, rather the bore depth determines the drop time like a gravity clock. The trick is the raw bore depth head pressure isn't the driving force, rather the weight block's applied pressure. There is the potential to even do this offshore using floating pipes anchored to the bottom.
gravity  power  pumped  Hydro  hydroelectric  energy  storage  green  generator  underground  tunnel  silo  closed  loop  Delicious 
april 2011 by asteroza
The Unwanted Blog » Blog Archive » New for 1961: The Nuclear Outboard Motor
GE"s 1961 podded marine nuclear propulsion pod, using a marinized variant of their airborne nuclear powerplant, using a closed loop neon gas loop running through the turboshaft, cooled by seawater heat exchangers. Modernize this as a double ended electric azipod and you have something interesting.
GE  marine  podded  nuclear  propulsion  pod  601  vessel  ship  transportation  technology  turboshaft  neon  gas  coolant  loop  Delicious 
march 2011 by asteroza
Geothermal Heat Pump Transfer Systems, Closed Loop Water Source Heat Pumps, Lake Loop Heat Pump Systems - Limnion By Heat-Line
A rather smartly designed compact heat exchanger for a lake loop cooler, bypassing the setup needs for a traditional lake loop cooling system and the vast mat of cooling pipes. I would worry about eventual biofouling, but perhaps the convection rate might be enough to deal with that.
Limnion  lake  loop  geothermal  heat  transfer  pump  home  house  building  cooling  HVAC  hardware  system  Delicious 
september 2010 by asteroza
The Nevermind baby works for the Obama poster guy
I love this quote "Yo dawg, I herd you like pop culture, so I put some pop culture in your pop culture so your brain can fucking explode from all the popular you've cultured"
pop  culture  loop  Nirvana  baby  Obama  hope  humor  politics  Kottke  Delicious 
may 2010 by asteroza
research!rsc: Zip Files All The Way Down
A somewhat dangerous zip file, assuming you have a zip decompression tool that automatically unzips all archives within a zip, and doesn't have a nested archive limiter. People used to use these as a kind of email bomb to blow up email antivirus and antispam gateways, as in the past they would examine all nested archives (causing a memory blowout and probable denial of service). Most software these days have a nested archive opening limit around 100 these days, and automatically mark the file as dangerous if it exceeds the limit, as that is nowhere near normal.
self  reproducing  algorithm  zip  tar  file  sample  loop  recursion  security  email  emailbomb  humor  mailbomb  Delicious 
may 2010 by asteroza
Chilipad Home Page
Basically a water cooled sheet with an external heater/cooler that tries to keep a specific temperature (feedback loop), rather than a brute force electric blanket.
Chilipad  bed  mattress  pad  heater  cooler  temperature  thermal  control  regulator  regulation  health  sleep  home  furniture  hardware  electronics  devices  cooling  heating  feedback  loop  Water  liquid  coolant  Delicious 
april 2010 by asteroza
Endless Rain Record Plays Sounds Of Drops, Never Stops
Interesting bit about the groove cut technique for the vinyl record for an endless loop track
endless  rain  audio  music  relaxation  white  noise  record  LP  vinyl  japan  loop  track  Delicious 
april 2010 by asteroza
Hillcrest Labs: Loop pointer
I've sorta wanted something like this for a long time now. I never really like the small palm/finger clutching mice that seemed like some mutant electronic finger ring. Sure this thing is much larger, but it doesn't have that awkward trigger button. Only bad thing is it's a 2.4GHz RF dongle type device, so expect wifi/bluetooth interference.
Hillcrest  handheld  remote  mouse  presentation  pointer  loop  gyro  motion  sensing  hardware  electronics  devices  USB  HID  HCI  RF  wireless  Delicious 
june 2009 by asteroza
Classical and statistical mechanics of celestial scale spinning strings: Rotating space elevators
Oh this hurts my head. Basically, exploiting non traditional phenomena could allow a space elevator using unpowered climbers, the achilles heel of traditional linear space elevators.
space  elevator  design  architecture  climber  physics  rotating  loop  RSE  USRSE  LSE  nonlinear  dynamics  statistical  Delicious 
may 2009 by asteroza

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