Not exact matches
Drones operated recreationally have long been treated by the FAA as
model aircraft and therefore exempt
from federal oversight.
Debi Mishra, partner director of engineering and machine learning at Microsoft Corporation, pointed to the example of GE's
aircraft engine business, which shifted its business
model from selling machinery to selling engines as a service.
The San Rafael, Calif., company's AutoCAD design software is used by designers the world over to
model everything
from office furniture to buildings to
aircraft components.
But only one engineer
from the
aircraft manufacturer, travelled to California to set up the
model in the tunnel.
Just look at the Smithsonian's National Air and Space Museum, where a Concorde
aircraft sits yards away
from an early Wright brothers
model.
Their paper, published in Physics of Fluids,
from AIP Publishing, provides a
model for four stages of ice formation on
aircraft wings.
They applied this
model to a representative
aircraft geometry and looked to see whether changing the
aircraft's potential (charging it negatively) would prevent the leaders
from forming and triggering a lightning strike.
The
model is supported by observations
from satellites, ground - based networks that measure ozone - depleting chemicals in the real world, and by observations
from two decades of NASA
aircraft field campaigns, including the most recent Airborne Tropical Tropopause Experiment (ATTREX) in 2013 and the Atmospheric Tomography (ATom) global atmospheric survey, which has made three deployments since 2016.
This
model produces estimates of criteria pollutant emissions and CO2
from all non-road sources, with the exception of commercial marine vessels, locomotives, and
aircraft.
While aerospace cycles will ebb and flow over long periods of time, General Dynamics is also in the middle of a transition
from legacy
aircraft products to new
models (specifically
from the Gulfstream 500 series of jet to the new 600 series).
The XWB in the
aircraft's name stands for Extra Wide Body, as it's larger than some of the other wide - body
models from the company.
The 1.73 update will add more than 30 French
aircraft to the game
from the fighters of the 30s to multirole post-war jet
models, including some
models that never made it in to production.
Those
aircraft, all officially licensed
models, have a huge variety of weapons to pick
from.
An add - on product for FSX that uses as its foundation a multiple award - winning virtual
aircraft — all
from a studio with a proven track record in flight control
modeling, is a pretty -LSB-...]
The work that caught Zabludowicz's eye at Frieze London —
model aircrafts resting on washing - machine plinths — pulled
from the new materials and progressive technologies of the aviation industry.
He had a display case in his studio, which was often obscured
from plain view that contained handcrafted
models of vintage
aircraft.
Aircraft emissions used a time changing pattern
from the QUANTIFY B2i emissions scenario (Lee et al. 2010), as the overall pathway for this scenario closely matched the GCAM
model output.
Corrigendum to «Using records
from submarine,
aircraft and satellites to evaluate climate
model simulations of Arctic sea ice thickness» published in The Cryosphere, 8, 1839 - 1854, 2014.
The FAst - physics System TEstbed and Research (FASTER) Project has constructed case studies
from the Atmospheric Radiation Measurement Climate Research Facility's Southern Great Plain site during the RACORO
aircraft campaign to facilitate research on
model representation of boundary - layer clouds.
California's Methane Budget derived
from CalNex P - 3
Aircraft Observations and the WRF - STILT Lagrangian Transport
Model
We compare
aircraft observations to
modeled CH4 distributions by accounting for a) transport using the Stochastic Time - Inverted Lagrangian Transport (STILT)
model driven by Weather Research and Forecasting (WRF) meteorology, b) emissions
from inventories such as EDGAR and ones constructed
from California - specific state and county databases, each gridded to 0.1 ° x 0.1 ° resolution, and c) spatially and temporally evolving boundary conditions such as GEOS - Chem and a NOAA
aircraft profile measurement derived curtain imposed at the edge of the WRF domain.
The
models assimilate inputs
from weather stations, drifting buoys, radiosondes,
aircraft, vessels and since the 1970s, high coverage infra - red and microwave satellite based sensors.
Seventeen global black carbon
models were compared with measurements
from ground networks,
aircraft and satellite and found to generally have enough «soot» but to underestimate absorption.
Gregory W. Santoni; Bin Xiang; Eric A. Kort; Bruce Daube; Arlyn E. Andrews; Colm Sweeney; Kevin Wecht; Jeffrey Peischl; Thomas B. Ryerson; Wayne M. Angevine; Michael Trainer; Thomas Nehrkorn; Janusz Eluszkiewicz; Steven C. Wofsy (2012) California's Methane Budget derived
from CalNex P - 3
Aircraft Observations and the WRF - STILT Lagrangian Transport
Model.
Figure 2, above:
Aircraft BC concentration profiles
from the surface (high pressures) to the upper atmosphere (low pressures)
from measurements (black) and individual AeroCom
models (colored) for the North American south (left panel) and Arctic (right panel).
These tools range
from a turbocharged, higher - resolution computer
model to the type of unmanned drone
aircraft that more typically prowl the skies above war - torn Afghanistan.
In other words these
models have now become a virtual wind tunnel, no major
aircraft manufacturer designs an
aircraft without substantial input
from CFD, the difference being that in the 80's we used main - frames Crays and the like, then minis and now it can done on laptops.
The use of imaging technology for aerial surveillance with radio control
model aircraft having the capability of obtaining high - resolution photographs and / or video, or using any types of sensors, for the collection, retention, or dissemination of surveillance data or information on individuals, homes, businesses, or property at locations where there is a reasonable expectation of privacy is strictly prohibited by the AMA unless written expressed permission is obtained
from the individual property owners or managers.
The takeaway I got
from it seemed to be that yes, 3d printing will be a big deal, and has the potential to drastically change manufacturing (one example being an 80 % weight reduction in an
aircraft part, another being a reduction in turn around time
from drawing board to fabricated
model from 8 weeks to 1.
But you can't operate a
model aircraft «at a lateral distance of less than 250 feet (75m)
from buildings, structures, vehicles, vessels, animals and the public including spectators, bystanders or any person not associated with... [more]
But you can't operate a
model aircraft «at a lateral distance of less than 250 feet (75m)
from buildings, structures, vehicles, vessels, animals and the public including spectators, bystanders or any person not associated with the operation of the
aircraft».
Many home insurance policies cover personal property and, while there's an exclusion for
aircraft, «
model or hobby
aircraft not designed to fly people or cargo» are included in the policy, according to a typical homeowners policy
from New Jersey Manufacturers Insurance Co..
Unlike in the field of driverless cars, there are only a handful of startups worldwide are chasing a flying car dream, with proposed designs spanning
from full - bodied
aircraft to helicopter-esque
models.
The sUAS Rule prohibits
model aircrafts from operating in a manner that endangers national airspace.