asteroza + phase   51

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
Hierarchically porous polymer coatings for highly efficient passive daytime radiative cooling | Science
New cheapish polymer coating to make a narrowband IR emitter that pumps through the LWIR atmospheric transmission window. So something can be cooled by exposing it to the sky.
passive  daytime  radiative  cooling  narrowband  emitter  IR  materials  science  research  technology  polymer  surface  coating  air  void  phase  inversion 
october 2018 by asteroza
Argonne technology puts solar power to work all night long | Argonne National La...
Graphite foam pores holding phase change salt for thermal storage improve thermal transfer for thermal storage. For steam turbine linkage, use magnesium chloride, for higher temperature SCO2 turbines use sodium chloride.
graphite  foam  porous  structure  thermal  storage  CSP  solar  energy  SCO2  cycle  phase  change  PCM  salt  materials  science  research  technology  Delicious 
october 2016 by asteroza
Phase-locked laser arrays through global antenna mutual coupling : Nature Photon...
Interesting chip scale phase locking for coherent lasers, building on antenna design principles from the microwave engineering community.
phase  locked  laser  optics  research  technology  Delicious 
june 2016 by asteroza
The ZEF program
Climatic table is a PCM/radiator lined table as a bulk thermal store that doubles as furniture.
phase  change  material  PCM  thermal  energy  store  table  furniture  cooling  heating  home  decor  Delicious 
may 2015 by asteroza
Optics InfoBase: Optica - Rotation-induced evolution of far-field emission patterns of deformed microdisk cavities
New way of detecting phase shift/frequency split of a rotating optical cavity due to relativistic effects, makes optical single plane gyroscopes more feasible.
optical  gyroscope  optics  physics  materials  science  research  technology  relativistic  frequency  shift  split  phase  Delicious 
april 2015 by asteroza
natcore technology - advancing solar science - solar energy cells
Apparently they have perfected a liquid phase deposition chemical technique for applying black silicon to wafers, which makes black silicon based solar cells commercially viable. Promising 3% improvement over existing silicon based PV.
energy  green  generator  power  silicon  black  cell  solar  deposition  phase  liquid  research  technology  science  materials  manufacturing  Delicious 
november 2012 by asteroza
Aberration-Free Ultrathin Flat Lenses and Axicons at Telecom Wavelengths Based on Plasmonic Metasurfaces - Nano Letters (ACS Publications)
New trick, using gold nanoantennas embedded in thin film silicon to turn a flat sheet into a near diffraction limited optical lens. Wide bandwidth too. Applicable for IR. Usable for large aperture beam expanders for a long range laser? But the demo seems to be a 1cm lens, and they are only seeing 1-10% efficiency.
film  thin  array  plasmonics  axicon  discontinuity  phase  planar  nanoantenna  gold  embedded  nanotechnology  technology  research  science  materials  physics  optics  metasurface  plasmonic  lens  flat  Delicious 
august 2012 by asteroza
Interference Unlocks Faster Mobile Data - Technology Review
This seems like the next logical step after a context/location aware cellular network where the baseband calculations are offloaded at a datacenter, and there is basically only an amp and antenna at a cell mast. Since a datacenter baseband calculator is doing most of the work in what is essentially a phased array antenna with distributed antennas, it's not a huge logical step to do DIDO. But the extreme location accuracy necessary to get the interference patterns for DIDO to work make this a difficult affair if you can't guarantee location/motion/track data directly from all client devices. But it is interesting that Rearden Labs, the people behind the OnLive! streaming game service, are developing this. Perhaps they have most of the tech developed for OnLive! and are trying to find new markets for the technology?
DIDO  distributed  input  output  phase  harmonic  interference  wireless  network  hardware  electronics  devices  research  spectrum  radio  Delicious 
august 2011 by asteroza
CAITIN-Advanced Vortical Cooling Technology
Interesting concept for a supersonic vortex refrigerator. I'm not clear how this works, since it would seem to at the least still require a circulation pump, which functionally wouldn't be all that different from a conventional compressor...
supersonic  hypersonic  converging  diverging  nozzle  condensation  shock  condensor  two  phase  refridgerant  cooling  vortex  spiral  Delicious 
june 2011 by asteroza
General Atomics Tests Thermal Energy Storage Device for Directed Energy Weapons
A psuedo regenerative setup, recovering waste heat from directed energy weapons for reuse, while cooling the weapon at the same time
general  atomics  PCM  phase  change  material  materials  science  research  technology  thermal  energy  storage  cooling  DEW  directed  weapon  military  recovery  scavenging  Delicious 
june 2010 by asteroza

related tags

2.4GHz  AC  access  accessories  achromatic  activated  active  adaptive  air  albedo  alloy  alternative  amplitude  analog  antenna  Apollo  apparel  architecture  array  artificial  asteroid  atomics  axicon  band  barcode  battery  bead  beverage  black  building  capsule  capture  carbon  catalyst  cell  chameleon  change  changing  chip  Chorus  circuit  circulation  clothing  CO2  coating  Coffee  colloid  color  communications  composite  condensation  condensing  condensor  confined  construction  control  converging  conversion  coolant  cooled  cooling  CryoSolplus  CSP  cup  cycle  DARPA  data  daytime  DE-STAR  decor  defense  deflection  deicing  Delicious  demand  density  deposition  design  devices  DEW  DIDO  dielectric  diffractive  directed  discontinuity  dispersion  distributed  diverging  dress  droplet  drywall  ECIT  einstein  electric  electrocatalytic  electronics  embedded  emitter  energy  ESA  eutectic  fabric  fashion  fiber  filetype:pdf  film  flash  flat  foam  food  forensic  Fraunhofer  frequency  frost  fuel  furniture  gadget  gas  gel  general  generator  gift  glycol  gold  graphite  green  gyroscope  hardware  harmonic  harmonics  heat  heating  high  hologram  home  house  hybrid  hypersonic  IBM  ice  ID  induction  inert  input  insulation  interference  inversion  IR  ISM  item  Joulies  kickstarter  laser  latent  lens  LIDAR  light  liquid  lock  locked  long  loop  low  magnetic  management  managment  manufacturing  material  materials  matter  mechanics  media:document  medium  memory  menswear  mesh  meshcon  metal  metamaterial  metasurface  microbead  microcapsule  military  millipede  MIT  mitigation  mix  mixture  moderator  molten  monitoring  motor  multiferroic  multiple  NAND  nanoantenna  nanoparticle  nanotechnology  nanotube  narrowband  NASA  network  NOR  nozzle  Numonyx  object  on  optical  optically  optics  orbit  order  output  overload  overview  paraffin  passive  PCM  phase  phased  photography  photonics  physics  planar  planetary  plasmonic  plasmonics  polymer  polymeric  porous  power  production  protocol  pumped  quantum  radiative  radio  random  range  RavenBrick  RavenSkin  recirculation  recovery  reference  refridgerant  refridgeration  refridgerator  relativistic  release  remote  resarch  research  residential  resonator  retention  retrieval  retrodirective  roof  roofing  Room  RPMA  RRAM  salt  Samsung  scavenging  science  SCO2  security  self  semiconductor  sensor  shift  shirt  shock  silicon  single  smartgrid  smartmeter  solar  solid  space  spatial  spectrum  speed  spin  spiral  split  splitting  standoff  state  steered  steering  storage  store  structure  superconductor  supercritical  supersonic  SureChill  surface  suspension  switch  synthetic  system  table  tagging  technology  temperature  temporal  tenside  thermal  Thermeleon  thermochromic  thermoelectric  thin  tile  topological  tracking  transmission  trigger  two  vaccine  vaporization  vest  virtual  viscosity  void  vortex  water  watermark  wax  weapon  wifi  winding  wireless 

Copy this bookmark:



description:


tags: