Sentences with phrase «powerphase electric propulsion»

To do this, Hyperloop One uses electric propulsion in a vacuum environment to launch a pod that slightly hovers above the track thanks to what's known as magnetic levitation, or mag - lev technology.
This interior design could be implemented in Virgin Hyperloop One's functional pod with an electric propulsion system which could achieve speeds up to 700 mph inside a near - vacuum.
In 2014, Dmytro Rafalskyi and Ane Aanesland from the Laboratory of Plasma Physics, École Polytechnique, France demonstrated a new electric propulsion concept.
«Right now we fly solar electric propulsion systems that are just a few kilowatts,» Sheehy says.
Possibilities include reflective «sails» billowed by the sun's rays, as well as next - generation solar electric propulsion.
The most established electric propulsion concepts, for example gridded - ion thrusters, accelerate and emit a larger number of positively charged particles than those with negative charge.
Sunlight could also drive much larger robotic or crewed spacecraft indirectly via solar electric propulsion, Sheehy says.
The robotic spacecraft would cruise in deep space towards a near - Earth asteroid, using a technology called advanced Solar Electric Propulsion.
And while they all have their pros and cons, electric propulsion is now mature and widely used.
Solar - electric propulsion will be key to their design.
Here electric propulsion, with its higher exhaust speed, is preferred as it typically uses less propellant that than chemical rockets.
NASA is currently developing concepts for the redirect mission that will employ a robotic spacecraft, driven by an advanced solar electric propulsion system, to capture a small near - Earth asteroid or remove a boulder from the surface of a larger asteroid.
In many ways, motorcycles are a lot more practical for electric propulsion than cars: They are small and light and lack energy - hogging features like air - conditioning and entertainment systems.
Instead of rocketing astronauts off into deep space, the Asteroid Redirect Mission would send a robotic spacecraft to a small asteroid, secure it (potentially by grabbing it and stuffing it into a giant high - tech bag) and tow it back to orbit the moon using a hyper - efficient kind of rocket engine technology called solar electric propulsion.
Lockheed Martin Space Systems Company in Denver -: The «Adapting Commercial Spacecraft for the Asteroid Redirect Vehicle» study will define system concepts for a Solar Electric Propulsion Module based on an existing commercial spacecraft bus and NASA Hall thrusters.
The engineering solution may be for NeMO to use solar - electric propulsion to turn around and fly back to Earth hauling an entire separate spacecraft that carries the goods from Mars, he says, or it could tote a special - purpose entry vehicle that's topped off with Mars regolith and rock for drop - off here at home.
Those contract winners — The Boeing Co.; Lockheed Martin Space Systems; Northrop Grumman Aerospace Systems; Orbital ATK; and Space Systems / Loral — took four months to appraise the need for Mars telecommunications and global high - resolution imaging as well as assess possible added scientific instruments, optical communications and the use of solar - electric propulsion.
Rockets today are not reusable, and that makes them so expensive — currently around $ 4,600 for each kilogram of payload lofted into low orbits — that the economics of putting solar modules in space just don't pencil out, even if the modules use solar - electric propulsion to lift themselves into their final orbit.
«You actually can get to the moon with electric propulsion by spiraling slowly away from Earth for a year and building up speed,» says Belbruno.
Compared with the roar of chemical rockets, electric propulsion produces only a gentle purr.
Electric propulsion works by driving a stream of plasma, or electrically charged gas, out the back of a spacecraft.
Belbruno got his chance to attempt the impossible when NASA decided to explore the feasibility of using electric propulsion to get a small probe to the moon.
ARM will use capabilities in development, including the new Orion spacecraft and Space Launch System (SLS) rocket, and high - power Solar Electric Propulsion.
ARM will demonstrate advanced, high - power, high - throughput solar electric propulsion; advanced autonomous high - speed proximity operations at a low - gravity planetary body; controlled touchdown and liftoff with a multi-ton mass from a low - gravity planetary body, astronaut spacewalk activities for sample selection, extraction, containment and return; and mission operations of integrated robotic and crewed vehicle stack — all key components of future in - space operations for human missions to Mars.
Mature electric propulsion devices such as ion engines, hall thrusters and magnetoplasmadynamic thrusters have electrodes exposed to the plasmas.
The robotic component of ARM will demonstrate the world's most advanced and most efficient solar electric propulsion system as it travels to a near - Earth asteroid (NEA).
The asteroid initiative will incorporate advanced solar electric propulsion technology as a power source for spacecraft, offering greater flexibility to the spacecraft and mission planners.
To stay in that exact spot, the craft will use a field emission electric propulsion engine, which ejects ions of liquid metal cesium to exert a miniscule thrust to counter tiny forces on the craft, such as the sunlight itself.
As the largest U.S. icebreaker, the Healy measures 420 feet long and plies the seas with 30,000 horsepower of diesel electric propulsion.
Its stated purpose is to test and develop new technologies for spaceflight, such as NASA's Space Launch System heavy - lift rocket, its Orion deep - space crew capsule and an advanced solar - electric propulsion engine suitable for long - haul cargo trips.
His Field Emission Electric Propulsion (FEEP) system produces the smallest thrust of any space engine ever: It is designed to counter the force of sunlight on a spacecraft — about the same as that of a single falling human hair.
Several scientifically interesting asteroids could be visited by astronauts with flight times ranging from six months to a year and a half using a 200 - kilowatt (kW) electric propulsion system, which is a reasonable advance over our present capability; the ISS currently has 260 kW of solar arrays installed.
When we crunched the numbers, we found that electric propulsion — via an ion drive or related technologies — could dramatically reduce the launch mass required for human missions to asteroids and Mars.
A common misperception is that electric propulsion is too slow for crewed spaceflight, but there are ways around that.
Crucially, electric propulsion saves money.
«We will continue the solar electric propulsion efforts benefitting from those developments for future in space transportation initiatives.»
«With advanced electric propulsion, we will have the ability to move habitat systems to various orbits around the moon,» he said.
Electric propulsion has already proven its worth on commercial satellites, culminating in the 2015 launch of the world's first all - electric spacecraft, said Mitchell Walker, chairman of the American Institute of Aeronautics and Astronautics» Electric Propulsion Technical Committee, who also presented testimony during the hearing.
Aerojet Rocketdyne, a GenCorp company, announced today that it is celebrating the 30 - year anniversary of its first Solar Electric Propulsion (SEP) mission.
Using advanced Solar Electric Propulsion (SEP) technologies is an essential part of future missions into deep space with larger payloads.
Electric propulsion systems in the 50 - to 100 - kilowatt level may be needed to get crews to Mars faster than is possible with conventional chemical propulsion.
Dozens of commercial and military satellites, as well as NASA's Dawn science probe to the asteroid belt, use electric propulsion today, but the power generated for their maneuvering thrusters is low, according to the panel of experts who spoke at the hearing.
Electric propulsion systems are far lighter to launch.
«Electric propulsion can offer the ability to move large masses through space with minimum fuel usage,» said Bill Gerstenmaier, NASA's associate administrator for human exploration and operations.
NASA added that it is also committed to designing «a new and powerful transportation» system involving solar electric propulsion, which will use the sun's energy to take spacecraft deeper into space.
He cited as one example the development of solar electric propulsion, something he said isn't needed for a human return to the Moon but is useful for Mars and other deep space missions.
Bolden was grilled by subcommittee chairman Steve Palazzo (R - MS) and committee chairman Smith on why he was ignoring NAC's advice to (1) obtain an independent cost evaluation (ICE) of ARM prior to the Mission Concept Review (which just took place), and (2) modify it so that its primary objective is demonstration of high power solar electric propulsion rather than obtaining a sample of an asteroid, and to send the spacecraft to Mars and back rather than to an asteroid.
He began his career in 1962 at Lewis Research Center, where he worked on electric propulsion systems.
Crusan answered that ARM is needed for developing, testing and operating high power Solar Electric Propulsion (SEP), which will be needed for Mars missions.
Progress made under the NTP project could also help enable high performance fission power systems and Nuclear Electric Propulsion (NEP).»
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