asteroza + liquid   199

Fabrication of polymeric lenses using magnetic liquid molds: Applied Physics Letters: Vol 114, No 20
Effectively using a ferromagnetic-style formable liquid to make a custom mold for lens, rather than paying a bundle for a custom lens mold from tool steel.
magnetic  droplet  liquid  mold  plastic  polymer  lens  fabrication  optics  materials  science  manufacturing  research  technology 
june 2019 by asteroza
NASA funds aviation research on a new fuel concept - Illinois Engineering
Uh, LH2 is frankly a dead end for most aviation applications, baring forever flying HAPS HALE UAV. If cryogenic fuels are gonna be done, it will likely be methane.
cryogenic  liquid  hydrogen  fuelcell  power  generator  electric  airplane  aircraft  NASA  research  technology 
may 2019 by asteroza
Graphene Spun into Meter-Long Fibers - Scientific American
So graphene oxide liquid crystals were dried out to make meters long (but imperfect) fibers which are weaker than normal carbon fiber, but have great conductivity. Has this been commercialized into low weight electrical wire yet?
graphene  oxide  liquid  crystal  fiber  manufacturing  materials  science  research  technology 
april 2019 by asteroza
Encapsulated liquid sorbents for carbon dioxide capture | Nature Communications
Alternative to liquid CO2 sorbents for carbon capture, packing the liquid into UV hardened micro-silicone shells up contact area and ease of use.
microencapsulation  liquid  carbonate  core  polymer  silicone  shell  capsule  carbon  capture  CO2  CCS  materials  science  research  technology 
april 2019 by asteroza
Modeling and Experimental Results for Condensing Supercritical CO2 Power Cycles
Interesting work on condensing backend supercritical CO2 power cycles. Notably, need a coldsink less than 31C for liquid recompression to work
condensing  supercritical  CO2  power  cycle  generator  research  technology  liquid  phase 
january 2019 by asteroza
Pumped thermal grid storage with heat exchange: Journal of Renewable and Sustainable Energy: Vol 9, No 4
paper outlining a mixed molten salt/liquid air type thermal energy store similar to Google's Malta subsidiary design.
thermal  energy  storage  molten  salt  liquid  air  nitrogen  LN2  carnot  battery 
december 2018 by asteroza
Dearman is harnessing the power of liquid nitrogen for zero emission power and cooling
So liquid nitrogen is making a partial comeback as a "green fuel", when combined with preheated air in otherwise conventional diesel/otto cycle engines.
LN2  liquid  nitrogen  air  engine 
december 2018 by asteroza
Room-temperature cycling of metal fluoride electrodes: Liquid electrolytes for high-energy fluoride ion cells | Science
New anion focused research. Fluride-ion previously required 300C so basically a molten salt, but this is room temperature, suitable for vehicles.
Honda  liquid  electrolyte  flouride  ion  battery  energy  storage  anion  materials  science  research  technology 
december 2018 by asteroza
The TRISO pebbles are immobilized inside the thick walls of a graphite tube with graphite powder, but one would worry about TRISO pebble shifting/settling within the powder area.
india  thorium  lead  bismuth  liquid  metal  coolant  eutectic  TRISO  fuel  pebble  nuclear  reactor 
december 2018 by asteroza
3M and Allied Control Cool Clusters with Novec Bubble Bath
So a HK bitcoin miner switched from FPGA's to ASIC's, but used liquid cooling to keep the mining rigs on-site.
3M  flourinert  Novec  HFC  liquid  immersion  cooling  datacenter 
november 2018 by asteroza
Research Update: Liquid gated membrane filtration performance with inorganic particle suspensions: APL Materials: Vol 6, No 10
Resembling a plant leaf CO2 ingestion mechanism, and interesting performance properties. Using the liquid to open/close pores and keep particulate at a standoff distance from the filter main body to keep it from clogging/getting fouled.
liquid  gated  membrane  filter  materials  science  research  technology 
november 2018 by asteroza
Home | Highview Power
Liquification rather than compression like CAES. Plenty of interesting heat recovery opportunities here
LAES  liquid  air  energy  storage  cryogenic 
june 2018 by asteroza
Faradaically selective membrane for liquid metal displacement batteries | Nature Energy
Sadoway has a new variant of the liquid metal battery, a liquid displacement metal mesh battery. Some sort of porous membrane in the center?
Sadoway  liquid  displacement  metal  mesh  battery  energy  storage  materials  science  research  technology  porous  membrane 
february 2018 by asteroza
One-step volumetric additive manufacturing of complex polymer structures | Science Advances
Using holographic imaging techniques (aka 3 or more lasers shining on the same spot) to solidify liquid polymers in a batch, allows faster 3D buildup
3D  printing  fabbing  printer  fabber  materials  science  research  technology  laser  solidification  liquid  polymer 
december 2017 by asteroza
Innovator Energy
Interesting CCS system, but I wonder how flue gas contaminants screw up the bubbler solvent chemistry
CCS  CO2  carbon  capture  ethanol  ammonium  bicarbonate  liquid  solvent  bubbler  flue  gas 
december 2017 by asteroza
Tough SF: Liquid Rhenium Solar Thermal Rocket
Interesting solar thermal concept using a liquid primary heat receiver. Needs some work on the solar window end of the barrel design.
space  solar  thermal  propulsion  liquid  metal  heat  receiver 
october 2017 by asteroza
PHAZE - colour changing paint - Purple Haze to Pinkest Pink – Culture Hustle
PHAZE is a colour changing acrylic paint set by Stuart Semple. This coating enables almost any object to be coated in a durable, ultra matte finish that changes
liquid  crystal  thermal  reactive  paint  art 
august 2017 by asteroza
Dip Transform for 3D Shape Reconstruction
Brute force 3D scanning by redipping an object in a liquid filled container and checking the changes in volume
3D  scanning  research  volume  liquid  change  archimedes 
july 2017 by asteroza
Direct metal writing: Controlling the rheology through microstructure: Applied P...
Getting metal alloys to behave like melted plastic for extrusion in a 3D printer nozzle head.
3D  printing  fabbing  metal  shear  thinning  liquid  materials  science  research  technology  Delicious 
april 2017 by asteroza
Vader Systems | Experience. Revolution. Now.
Basically magnetic induction metal FDM, with improved bulk properties by avoiding unmelted metal or voids.
3D  printing  fabbing  printer  fabber  metal  droplet  magnetic  induction  pulse  nozzle  liquid  materials  science  manufacturing  research  technology  Delicious 
january 2017 by asteroza
Interesting engine that works on expansion of liquid nitrogen as the working fluid in a piston engine (similar to compressed air engines), but the real savings is for refrigerated goods delivery vehicles, that can use the cold exhaust for cooling cargo. Wonder how well it pairs with hybrid electric drivetrains, or functioning as a range extender?
liquid  cryogenic  LN2  engine  powerplant  motor  propulsion  green  nitrogen  Delicious 
january 2017 by asteroza
IneraTec - Home
Interesting new Gas-to-Liquids conversion system using an innovative microstructured chemical reactor design. Fed by a direct atmospheric CO2 capture unit and an electrolysis unit, it converts CO2 and hydrogen into synfuels
CO2  conversion  GTL  liquid  synthetic  fuel  production  synfuel  syngas  chemical  reactor  Delicious 
november 2016 by asteroza
Spring Loaded Technology
Passive exoskeletal knee brace using a liquid spring type setup to recover bending energy.
passive  exoskeleton  knee  brace  energy  recovery  liquid  spring  Delicious 
july 2016 by asteroza
In-drop capillary spooling of spider capture thread inspires hybrid fibers with mixed solid–liquid mechanical properties
So spider silk has a watery glue that also functions as a local spool to pull in loose silk thread. Now that has been emulated with oil droplets and plastic filament.
biomimicry  liquid  wire  loose  thread  spool  spooling  tension  hybrid  solid  elastocapillarity  fluid  structure  interaction  materials  science  research  technology  Delicious 
may 2016 by asteroza
Solar photothermochemical alkane reverse combustion
So high light/pressure/temperature reactor with TiO2 catalyst does a one step conversion of water and CO2 to liquid hydrocarbons.
liquid  hydrocarbon  synfuel  production  photothermochemical  tandem  photochemical  thermochemical  photocatalytic  photocatalyst  alkane  reverse  combustion  UV  light  heat  pressure  titanium  dioxoide  catalyst  water  CO2  cracking  materials  science  research  technology  solar  synthetic  fuel  Delicious 
february 2016 by asteroza
Metallic Architectures from 3D-Printed Powder-Based Liquid Inks - Jakus - 2015 - Advanced Functional Materials - Wiley Online Library
Printing using aliquid ink containng an elastomer and powdered metal makes the print job easy, follow with simple sintering for final metal form. Though they also explore sintering metal oxide powders in a hydrogen redox sintering furnace.
3D  printing  fabbing  materials  science  research  technology  manufacturing  technique  metal  powder  suspension  liquid  ink  PLGA  elastomer  sintering  Delicious 
january 2016 by asteroza
APS -68th Annual Meeting of the APS Division of Fluid Dynamics - Event - Creating a urine black hole
So, taking a cue from the nanotube pillar design of Vantablack, these guys made a urinal splashguard that seems to work...
spashback  liquid  fluid  splash  mitigation  vantablack  materials  science  dynamics  research  technology  urinal  splashguard  toilet  humor  Delicious 
december 2015 by asteroza
KIT - KIT - Media - Press Releases - PI 2015 - Crack it! Energy from a Fossil Fuel without carbon di-oxide
Hrm, I suppose if you had a handy methane source and a heat source (1200 C?!?), this is interesting (GenIV nuclear reactor maybe), but probably the more interesting aspect is the pure carbon powder byproduct, suitable for making carbon fiber and similar. I suppose if you wanted to make graphene, using natural gas from town as both an energy source and a carbon source for production might be a good match...
hydrogen  gas  production  research  technology  liquid  metal  tin  column  methane  cracking  carbon  powder  Delicious 
december 2015 by asteroza
Liquids with permanent porosity : Nature : Nature Publishing Group
Basically loading up a solvent with molecular cage trap particles, that can absorb gases but not the solvent.
porous  liquid  solvent  carrier  molecular  cage  trap  materials  science  research  technology  Delicious 
november 2015 by asteroza
BladeRunner military aerospace vehicle (AIAA)
Interesting TSTO concept, using aft door cargo plane air launch, scissor swing wings, and parachute recovery. Aft door exit means you are less volume limited (especially if you use a C-5 or C-17) compared to Pegasus. Liquid rocket, Pershing derived?
air  launch  TSTO  scissor  swing  wing  liquid  LOx  RP-1  kerosene  rocket  reusable  bladerunner  Delicious 
august 2015 by asteroza
UniBio | Natural Gas Turned Into Food
Natural gas to proteins, using macrobiotic intermediary stage? Possible space food?
nautral  gas  methane  GTL  liquid  fermentation  bacteria  protein  production  food 
january 2015 by asteroza
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