asteroza + aerospace   134

Entanglement-enhanced optical gyroscope - IOPscience
New higher precision fiber optic gyro that can overcome shot-noise limit
entangled  photon  fiber  optic  gyroscope  sensor  physics  research  technology  aerospace  shot  noise  limit 
june 2019 by asteroza
TERRAFUGIA R&D - Home
So rather than the flying multicopter podcars, flying podbuses?
flying  pod  car  podcar  buspod  podbus  bus  tiltrotor  quadplane  container  aviation  aerospace  research 
april 2018 by asteroza
Aviation Renaissance: NASA Advances Concepts for Next-gen Aircraft | NASA
An aviation renaissance, one focused on energy efficiency and economic impact, is on the horizon, and it’s changing how NASA engineers are looking at aircraft power and design.
STARC-ABL  NASA  aviation  aerospace  BLI  boundary  layer  ingestion  turboelectric  electric  airplane  aircraft  propulsion 
november 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
StratoSail Balloon Guidance System - Global Aerospace Corporation
Using a glider/kite anchor to exploit differences in wind direction/strength at high altitude to provide directional control for balloons
stratospheric  balloon  directional  control  anchor  kite  glider  aerospace  aviation  research  technology  Delicious 
december 2016 by asteroza
NIHMS PubMed
So PubMed will now also host PubSpace for NASA research reports. Why this rather than NTRS?
NASA  research  report  repository  PubSpace  PubMed  NIH  NSF  space  aerospace  aviation  aerodynamics  Delicious 
august 2016 by asteroza
BSRD - RTR
Uh, using the chamber itself as your power pack for the compressor (thus coaxial shaft), isn't really all that different from a conventional turbine or a RamGen turboexpander in principle.
ATR  air  turbo  rocket  turborocket  aviation  aerospace  space  propulsion  research  technology  Delicious 
february 2016 by asteroza
Patent Images
So, using lasers to fuse deuterium over a pusher plate/bell nozzle,which is lined with uranium to heat up from neutron capture, which heats coolant, which runs to a turbogenerator, which powers the laser. So sorta pulse like, sorta orion-lite? It's not your typical fusion-fission hybrid setup. The implication is that this could be used as a nuclear jet engine the atmosphere (ejector ramjet entrainment maybe)?!?
Boeing  US  patent  9068562  laser  nuclear  fusion  pulse  thruster  engine  rocket  jet  turbine  space  aerospace  propulsion  research  technology  orion  Delicious 
july 2015 by asteroza
AXTER System | axter aerospace – Innovación aeronáutica en electrónica de control, potencia y seguridad
Err, seems the idea is to slip an electric motor onto the output shaft of a light aircraft engine to provide electric boost, and a marginal emergency propulsion capability. Sorta parallel hybrid EV...
electric  motor  assist  auxillary  propulsion  boost  backup  general  aviation  aerospace  research  technology  hardware  electronics  devices  emergency  parallel  hybrid  Delicious 
june 2015 by asteroza
Solar News: Electric Turbo Arcjet
Assuming you had a tremendous amount of power, a turboarcjet does make some sense for high speed travel in the lower atmosphere. Subsonic would prefer electrically driven propellers though.
turboarcjet  electric  arcjet  heating  gas  turbine  propulsion  research  technology  aerospace  aviation  engine  Delicious 
may 2015 by asteroza
Helicopter Could be 'Scout' for Mars Rovers
I would have expected larger rotors, more like one of those human powered helicopters. With the low pressure, you need hugely long rotors.
NASA  JPL  mars  coaxial  rotor  helicopter  space  research  technology  flight  aerospace  aviation  Delicious 
january 2015 by asteroza
Joby S2 | Joby Aviation
Seems like a tiltrotor version of NASA's GL-10 electric distributed propulsion UAV prototype. The feathering prop trick is interesting, as it effectively creates a dual mode propulsion system, but the nature of beast means you have small disc rotor area with high disc loading in VTOL.
distributed  propulsion  VTOL  electric  feathering  propeller  prop  tiltrotor  aviation  aerospace  research  dual  mode  Delicious 
january 2015 by asteroza
Lotus | Joby Aviation
Interesting solution to the "Dos Samara" design's problem of single bladed VTOL rotors.
NASA  VTOL  UAV  drone  design  research  technology  Dos  Samara  split  scissor  rotor  folding  feathering  blade  wintip  propulsion  electric  hybrid  aviation  aerospace  Delicious 
january 2015 by asteroza
GE Test Fires Mini 3D Printed Engine - 3D Printing Industry
Interesting, looks like a straight through engine, probably centrifugal compressor? Wonder how it compares to a Capstone microturbine in architecture...
GE  small  form  factor  compact  microturbine  turbine  engine  3D  printing  fabbing  RC  propulsion  DMLS  aviation  aerospace  research  technology  powerplant  Delicious 
november 2014 by asteroza
Sunstar | Projects | Solar powered airplane - Solar Flight
Interesting trimotor configuration, but the dead mass of the feathered prop motors seems bad. Perhaps some sort of tractor-trailer setup like a Cessna Skymaster, but have a clutch/transmission allowing the motor to switch between propellers?
HALE  drone  UAV  solar  power  trimotor  aviation  aerospace  research  Delicious 
november 2014 by asteroza
Optics InfoBase: Applied Optics - Supersonic laser propulsion
Using laser ablation plasma plumes to make a laser ablation rocket (scramjet?) where the flow sticks to the nozzle walls better.
supersonic  laser  ablation  propulsion  research  aerospace  space  aviation  technology  Delicious 
october 2014 by asteroza
New MHD Converters: induction machines
air MHD accelerator research, possible root research behind Lockheed's fusion reactor configuration.
air  MHD  accelerator  plasma  fusion  research  technology  aerospace  aviation  space  rocket  propulsion  Delicious 
october 2014 by asteroza
[untitled]
Web service for doing rocket simulation work, via a REST API
rocket  aerospace  simulation  web  service  REST  API  webdev  space  research  technology  Delicious 
august 2014 by asteroza
The Platform for Unmanned Cargo Aircraft (PUCA) - Platform Unmanned Cargo Aircraft
PUCA working on 300mph low speed unmanned cargo aircraft (UCA) for package delivery work, to airports mostly.
EU  europe  research  UAV  cargo  drone  aviation  aerospace  aircraft  airplane  Delicious 
august 2014 by asteroza
Revolutionary 3D printing
WAAM seems to be a titanium wire fed arc welder type 3D metal printer.
3D  printing  fabbing  printer  fabber  research  aerospace  WAAM  wire  arc  welder  additive  manufacturing  metal  titanium  Delicious 
march 2014 by asteroza
FlexSys Inc.
Interesting one piece flexible airfoil for dynamic adaptive control surfaces/flaps. Could be good for helicopter silencing...
variable  geometry  single  piece  compliant  deformable  morphing  structure  wing  airfoil  flap  control  surface  aviation  aerospace  research  technology  aerodynamics  hardware  electronics  devices  adaptive  dynamic  blade  mechanical  amplifier  displacement  actuator  camber  curve  active  flutter  flow  vortex  generator  lift  Delicious 
january 2014 by asteroza
PDエアロスペース
Looks like they are trying to make a hybrid pulsejet/rocket for suborbital spaceplane, maybe.
japan  hybrid  pulsejet  rocket  space  air  breathing  propulsion  research  technology  aerospace  spaceplane  engine  suborbital  PDE  combined  cycle  Delicious 
january 2014 by asteroza
SwissKitePower | a collaborative research and development project
Interesting lightweight approach to a jerking kite style wind power generator. The inflatable wing spar technique should in theory be applicable to flying wind turbine kites too, in theory anyways. Using a jerking system keeps the generator components on the ground, and uses a lighter tether, but nothing is really stopping them from using a carousel type spinning generator on the ground for continuous power output, provided they had multiple kites.
aerospace  wind  wing  europe  green  kite  EU  research  Switzerland  flying  tethered  inflatable  tether  Tensairity  power  generator  spar  energy  Delicious 
june 2013 by asteroza
Sagita - Home
Looks like a semi-hot cycle helicopter, but instead of a potentially more complicated tip jet drive, it appears to use dual contra rotating direct drive turbines to spin the rotors, exhausting into the inter-disk area of the rotor hub. That exhaust choice is a bit odd though, but it might increase local air velocity over the blades.
rotor  direct  helicopter  aerospace  cycle  technology  turbine  semihot  coaxial  aviation  drive  hot  VTOL  Delicious 
june 2013 by asteroza
NASA Publications for Sale at the Information Center
NASA HQ is giving away free books! (You pay shipping though...)
aerospace  history  information  free  NASA  book  engineering  reference  Delicious 
june 2013 by asteroza
StopRotor
A slightly different take on the stopped rotor VTOL genre, assuming a freefall drop profile to transition, rather than trying to offload lift to the canard/tail and eventually stopping the rotor like the X-50.
aerospace  rotor  canard  wing  technology  UAV  stopped  VTOL  research  CRW  Delicious 
april 2013 by asteroza
Icon Polymer
Interesting new hose for probe&drogue aerial refueling systems, which allows power and data transfer at the drogue end unit via a clamping device, as well as telemetry of the end unit, which would be helpful for positioning. An interesting possibility is data transfer from surveillance as their current data collection is starting to exceed reasonable radio transmission capabilities. So, instead of waiting until a UAV returns to the ground to offload data, a UAV could offload data to a command tanker aircraft in theater.
aerospace  transfer  technology  refueling  drogue  cable  data  aerial  IconIC  fiber  flexible  research  probe  power  optic  Delicious 
february 2013 by asteroza
The Superjet: Engineers at GE Aviation Are Building the Ultimate Jet Engine | GE Reports
Thing is, the tech path for this leads to a similar family of engines, like the J58 that powers the SR-71 (two path engine with outer duct not behind a compressor and used as a ramjet), and SERJ (technically a two path where you have part of the compressor flow go to a combustor and turbine segment, while the rest flows to a ramjet combustor only). Probably the basic difference between ADVENT and SERJ is a lack of subsonic ramjet combustor and an air bleed path.
ratio  bypass  research  technology  propulsion  aerospace  aviation  engine  turbojet  cycle  variable  military  ADVENT  GE  Delicious 
january 2013 by asteroza
Advance Turbine Design - Developer of micro gas turbine engines
Apparently involved with the affordable weapons system (AWS) program, to develop a Tomahawk cruise missile analog using as much COTS hardware as possible, which apparently achieved a workable device with similar range (but 20% of the payload) of a Tomahawk. These guys developed the microturbine for AWS, called the SWB-100, a 100 lbs class small form factor centrifugal single stage compressor gas turbine. Apparently they are now trying to rig up a quad rig of these to use as a personal jetpack, seeking some funding on Kickstarter. Single SWB-100 is 100 Lbs thrust at 11.5lbs weight for 9.7:1 thrust ratio, burning 130lbs/hr of jet A, which compares reasonably to a Williams WR19 that powered the old Bell personal jetpack, which is 60 lbs, 430 lbs thrust (7:1), burning 300 lbs/hr jet A.
missile  cruise  military  defense  hardware  research  aerospace  propulsion  engine  jet  turbine  gas  microturbine  SWB-100  AWS  Delicious 
december 2012 by asteroza
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