asteroza + cold   38

Titomic - Industrial Scale Additive Manufacturing, 3D Printing, Titanium, Innovative, Melbourne, Australia
Using supersonic metal particle sprays to get get powder fusion via kinetic impact, not too far from older metal cold spraying techniques. Not using bulk heating so less likely to have warped parts from SLS/SLM methods. Doing aerospace grade titanium, with an ITAR compliance area as well?
Australia  3D  printing  fabbing  manufacturing  printer  fabber  metal  powder  supersonic  cold  spray  coating 
may 2018 by asteroza
CIA Flickr Photo Album
Interesting stuff in the CIA's Flickr album, including oddball cartography tools.
CIA  map  chart  cartography  government  intelligence  cold  war  spy  espionage  information  visualization  retro  Delicious 
december 2016 by asteroza
Made by Cow
Apparently cold pressure treating raw milk that is already bottled in flexible plastic containers (via cold water immersion in a pressure vessel) is almost equivalent to pasteurization since it uses pressure differentials to pop bacteria. By not homogenizing or heat treating, the quality of the milk approaches raw milk apparently.
australia  cold  press  milk  food  beverage  manufacturing  alternative  Delicious 
june 2016 by asteroza
European Space Agency Awards €500k for New Cold Spray 3D Printing Technology
Interesting, using cold helium to increase the speed of sound of the neutral carrier gas for a metal powder spray, so it uses impact bonding rather than some kind of laser heating.
3D  printing  fabbing  manufacturing  technique  supersonic  titanium  particle  powder  cold  spray  coating  helium  carrier  gas  metal  Delicious 
january 2015 by asteroza
Seawater Engineering [Technologies and Innovation] - PENTA-OCEAN
Possible OTEC engineering work? At least sea water cooling and some deep ocean cold water stuff.
OTEC  deep  ocean  cold  water  intake  offshore  marine  structure  pipeline  hardware  Delicious 
september 2012 by asteroza
Orbital Technologies Corporation - Propulsion, Space Resources and Energy Systems
Apparently working on a microwave electric thermal thruster using water as a plasma monopropellant. Sort of like VASIMR?
Orbitec  vortex  combustion  cold  wall  coaxial  reverse  microwave  electric  electrothermal  thermal  thruster  MET  space  propulsion  technology  research  plasma  water  monopropellant  propellant  fuel  liquid  VASIMR  Delicious 
october 2011 by asteroza
Open Compute Project
Facebook opensourced their whole datacenter design, from the building design, to cooling, to floors, to racks, to server chassis. Crazy stuff like PoE powered LED lighting!
facebook  opensource  design  spec  specification  datacenter  server  power  HVAC  cooling  reference  sysadmin  hardware  electronics  devices  facility  infrastructure  PUE  air  side  economizer  LED  PoE  lighting  open  frame  chassis  case  cold  aisle  containment  OpenCompute  Delicious 
april 2011 by asteroza
Japanese firm patents cold water-pumping submarines to reduce strength of typhoons - The Mainichi Daily News
Just a wee bit this side of crank, since there is the rather significant problem of keeping said submarine at the desired depth...
japan  patent  ocean  cold  water  seawater  upwelling  pump  submarine  typhoon  countermeasures  weather  modification  geoengineering  terraforming  Delicious 
september 2010 by asteroza
Energy Storage System Deals With Sudden Draws On The Grid
Interesting grid peak shaving technique suited to natural gas turbine plants. Use offpeak excess baseload to power an air separation plant to collect liquid nitrogen and (?liquid) oxygen. When the peak comes, boil the nitrogen using atmospheric heat and waste heat, then run through a (probably aeroderivative) simple expansion turbine. Additionally, the collected oxygen is used with natural gas in a conventional gas turbine in oxyfuel mode for clean emissions (and waste heat probably going through a steam generator, and possibly the nitrogen turbine exhaust being used on the steam generator condenser?). They claim good efficiency, probably since the liquid oxygen boiling would provide the needed pressure for the combustor without a conventional compressor (or if push comes to shove, use the nitrogen turbine to precompress the gaseous oxygen), and the energy density may not be shabby overall. Interesting twist to the cold (well, more like a heatsink) thermal energy storage trick.
green  grid  energy  storage  peak  shaving  offpeak  ASU  liquid  nitrogen  oxygen  natural  gas  methane  turbine  oxyfuel  combined  cycle  low  emissions  cold  temperature  cryogenic  heat  thermal  heatsink  Delicious 
august 2010 by asteroza
Ocean power: Lockheed seeks Indian technology - Corporate News -
wait a minute, didn't NIOT drop and lose both of their cold water pipe prototypes?
technology  green  energy  transfer  cold  Water  india  OTEC  pipe  lockheed  Delicious 
february 2009 by asteroza

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