asteroza + air   320
the monotricat seems to be some sort of air ingesting monohull to try to do passive air lubrication
monotricat  passive  air  lubrication  drag  reduction  ship  boat  marine  engineering  design  italy  EU 
8 weeks ago by asteroza
AlphaPilot AI Drone Innovation Challenge | Lockheed Martin
Uh, so crowdsourcing alternative AI's for airborne combat, rather than building straight out with Alpha (that AI that was beating real fighter pilots)
AI  air  combat  flight  control  drone  racing  league  contest  UAV 
8 weeks ago by asteroza
This seems to be their website? Ireland front company, probable middle eastern sovereign fund backing
direct  atmospheric  air  carbon  capture  CO2  CCS 
may 2019 by asteroza
Role of flying cars in sustainable mobility | Nature Communications
tl;dr going more than 22 miles in a single occupant eVTOL is more eco than even driving a single occupant EV, and it only gets better, bonus Ford footed the bill for this research...
eVTOL  electric  VTOL  UAM  urban  air  mobility  economics  research  transportation 
april 2019 by asteroza
Rocket recycling – catching rocket stages after launch
Huh, catching a winged first stage booster rocket by the nose, air towing to a landing site, then releasing it again so it can glide to land. Avoids boost-back for recovery (more fuel for main flight), doesn't require a landing site forward in the ground track for the booster either. Catch-and-release, like a big mouth billy bass...
DLR  germany  europe  EU  air  capture  tow  towed  glider  gliding  booster  rocket  space  recovery  research  technology 
march 2019 by asteroza
3 Carbon Dioxide | Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants: Volume 1 | The National Academies Press
Hrm, pages 53-55 suggest actual issues only in the 25000 ppm range, not the 1400ppm suggested by the harvard study, derived from submarine crew studies, but some of the studies had not a lot of study participants, and US Navy standards and expectations for crew may be somewhat different (currently they try to keep average 3500ppm and try to keep below 8000ppm, but they are also in a long term exposure environment where the body may adapt)(previously 4,100 ppm average with a range of 300-11,300 ppm)...
CO2  air  quality  health  medicine  safety  decision  navy  submarine  crew 
march 2019 by asteroza
huma-i portable air quality indicator sensor, crowdfunded on IndieGoGo
portable  air  quality  indicator  sensor  hardware  electronics  devices  crowdfunding  kickstarter  IndieGoGo  korea 
march 2019 by asteroza
Impaired Decision Making in Conference Rooms - GIGA循绿
Wait this says 3 people just sitting quietly in a room for 1 hour have impaired cognitive function due to CO2! ASHRAE limit is 1000ppm, these guys suggest 1400ppm is the line for cognitive impairment.
meeting  CO2  air  quality  health  medicine  business  productivity  safety  decision 
march 2019 by asteroza
Associations of Cognitive Function Scores with Carbon Dioxide, Ventilation, and Volatile Organic Compound Exposures in Office Workers: A Controlled Exposure Study of Green and Conventional Office Environments
Study shows 3 people in a 2 hour meeting in a conference room have impaired cognitive functions due to high CO2, such that decisions at the end of the meeting suffer.This naturally gets worse with more people.
meeting  CO2  air  quality  health  medicine  business  productivity  safety  decision 
march 2019 by asteroza
Saarbrücken research team uses artificial muscles to develop an air conditioner for the future | Universität des Saarlandes
Using nitinol shape memory alloys as the thermal medium/matrix in a thermal wheel rotary air heat exchanger, where the wheel itself is the HVAC system!
rotary  heat  exchanger  thermal  wheel  air  entropy  nitinol  shape  memory  alloy  metal  conditioner  heater  HVAC  mechanical  materials  science  research  technology  cooling  heating 
march 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
Fujitsu General Developes Water-cooled Neck Cooler Using Peltier Devices | NIKKEI XTECH
allegedly working people generate too much heat for normal direct air cooled peltier neck coolers, thus needing water cooling to a larger belt worn radiator/battery pack.
personal  air  conddition  cooler  peltier  water  cooled  radiator  hardware  electronics  devices 
november 2018 by asteroza
Sunfolding Simplified Solar Trackers
Using air bladder actuators to make a sun tracker for a solar panel. So should be simple valves, no heavy motors...
air  bladder  actuator  sun  tracker  hardware  solar  panel 
october 2018 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 - 3D printed impeller allows drone to operate for thousands of hours | 3D Printer News & 3D Printing News
3D printing making microturbine turbine blade internal passage air cooling possible, allowing hotter temps thus higher efficiency
3D  printing  fabbing  radial  microturbine  manufacturing  research  technology  air  cooling  cooled  turbine  blade  internal  passage 
september 2018 by asteroza
Prestigious $20,000 prize awarded to futuristic ‘drone ambulance’ | World Air Sports Federation
Him and the italian company Proger will work on this. Bladeless microturbine power generator is interesting though
bladeless  microturbine  power  generator  UAV  drone  multicopter  octocopter  air  ambulance 
september 2018 by asteroza
Overview ‹ Wireless Communication from Underwater to the Air — MIT Media Lab
Using HF radar to read ocean surface disturbances caused by high power sonar rippling the ocean surface. Currently only works in 6 inch wave conditions...
ocean  air  interface  one  way  communication  wireless  translational  acoustic  RF  military 
august 2018 by asteroza
Turbo Rocket 8Jul18.pptx - Google Drive
Bringing back the NTTR for another round, this time it looks like it's taking the immense heatsink advantage of LH2 to run a fan/compressor for a SERJ and the turbopumps for an otherwise conventional rocket engine pack. Sorta conceptually similar to RocketLabs doing an end-run by using an electric motor to boost a conventional rocket motor that would have been limited to pressure fed or gas-generator.
NTTR  SCTR  nuclear  thermal  staged  combined  cycle  rocket  engine  space  propulsion  research  technology  SERJ  combustion  supercharged  air  augmented  multimode 
july 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
A Process for Capturing CO2 from the Atmosphere: Joule
Air carbon capture appears to now be below $1000/ton
air  carbon  capture  CO2  direct  CCS  sorbent 
june 2018 by asteroza
Probably a vaporware air launched rocket. Uses a twinjet UAV (could be a boneyard F-4 or F-15) for air launch, LOx/RP-1 two stage rocket that is allegedly reusable. Apparently the rocket engines have been hot fired already.
newspace  air  launch  rocket  space  launcher 
june 2018 by asteroza
PHI Cares ~ PHi Air Medical Membership /Affiliate Program ~ Air Ambulances Transportation with the highest standards of safety and patient care
Wow, an air ambulance service with a membership card. Considering the pricing for medical helicopter evacuations, this actually makes some sense for people in suburban/rural situations, otherwise the transport bill will be out of this world, and sometimes not covered by insurance, thus bankrupting you.
air  ambulance  medical  helicopter  transport  insurance  membership  card 
may 2018 by asteroza
Special Purpose Nuclear Reactor (5 MW) for Reliable Power at Remote Sites Assessment Report
Report on a brayton air cycle turbine cooled reactor, aka the MegaPower variant of the KiloPower/KRUSTY reactor design
nuclear  reactor  brayton  cycle  air  turbine  cooled  cooling  research  technology  MegaPower  KiloPower 
may 2018 by asteroza
Development and Experimental Validation of a Hall Effect Thruster RAM-EP Concept
Air breathing electric hall thruster concept for low orbital altitude satellites to maintain speed. Not a PROFAC air scooper per se, since this uses all inlet air for thrust. Beehive inlet as well.
PROFAC  low  orbital  altitude  drag  compensation  air  breathing  hall  effect  electric  thruster  space  propulsion  aerodynamics  research  technology  ramscoop  beehive  inlet 
april 2018 by asteroza
Bell Air Taxi Concept Experience at CES 2018
Pod design for a VTOL air taxi, but absolutely no shots of the pod carrier or propulsion. Likely a multicopter, possibly a tiltrotor.
bell  helicopter  air  taxi  VTOL  pod  carrier  general  aviation  vehicle  transportation 
january 2018 by asteroza
Air-Breathing Electric Propulsion
So air PPT might be doable for a PROFAC thruster, but an inductively coupled plasma (AKA a helicon, the core of a VASIMR) is looking pretty good...
space  propulsion  PROFAC  atmosphere  air  electric  thruster  PPT  inductively  coupled  plasma  helicon  VASIMR 
january 2018 by asteroza
OSF | Condensed Publication DRAFT- HOLOS Design 06 23 2017 .pdf
From the designer of CAESAR, a new air cooled nuclear reactor design the fits in a cargo container
pebble  bed  high  temperature  nuclear  reactor  brayton  cycle  power  turbine  generator  air  cooling  compact  container  containerized  subcritical  SMR  modular 
july 2017 by asteroza
Not a swamp cooler per se, just increasing local humidity with ground cooled water to increase the deltaT of the heat exchanger, also needs water...
external  AC  air  conditioner  accessories  mist  cooling 
july 2017 by asteroza
First Breakthrough for Future Air-Breathing Magneto-Plasma Propulsion Systems - ...
pulse plasma engine working at 1 atmosphere, sorta PDE, looks interesting but needs high power (remote beaming?), so looking like something for airships for now.
dense  plasma  focus  ignition  discharge  pulse  detonation  engine  propulsion  air  breathing  aviation  aerospace  research  technology  PDE  Delicious 
may 2017 by asteroza
Harvesting Hydrogen Gas from Air Pollutants with an Unbiased Gas Phase Photoelec...
Uses light, air, and organic pollutants to create hydrogen gas and clean the air apparently. Works better without oxygen, but does work with ambient air and light only.
photoelectrochemical  cell  titanium  oxide  photoanode  hydrogen  gas  production  light  solar  green  energy  air  pollution  synfuel  Delicious 
may 2017 by asteroza
propeller - What is this odd aircraft? - Aviation Stack Exchange
Uber is doing air taxi's with Aurora, and their publicly disclosed electric mini-proto looks a lot like this, minus the quadplane arms
Uber  air  taxi  general  aviation  prototype  VTOL  electric  quadplane  Delicious 
april 2017 by asteroza
Water harvesting from air with metal-organic frameworks powered by natural sunli...
Hrm, seems like as long as you have sun and a front end filter for the air to keep the MOF from gunking up, this could work indefinitely...
zirconium  MOF  metal  oxide  framework  air  water  humidity  capture  materials  science  research  technology  heat  solar  harvester  Delicious 
april 2017 by asteroza
Fast-Forwarding to a Future of On-Demand Urban Air Transportation – Medium
Uber declaring their love for VTOL air taxi's, that look suspiciously similar to a Joby S2...
Uber  air  taxi  VTOL  aircraft  airplane  vehicle  transportation  rideshare  ondemand  Delicious 
october 2016 by asteroza
Our Projects | Orbital Access
DC-10 based smallsat launcher, with dev work with BAE to make a TSTO SABRE engine equipped launcher later (which seems to be a disguised SABRE NTV for REL)
EU  UK  smallsat  air  launch  rocket  launcher  skylon  SABRE  space  startup  Delicious 
july 2016 by asteroza
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