قالب وردپرس درنا توس
Home / Science / NASA News: Ion Drives Can Revolutionize Basic Space Technology | Science | news

NASA News: Ion Drives Can Revolutionize Basic Space Technology | Science | news



Without the ability to rewrite the laws of physics, NASA relies on the same principles of spaceflight that landed the first man on the moon 50 years ago. During the Cold War, large quantities of oxidizer and fuel were burned to relapse above. Unfortunately, aviation and aerospace engineer Ella Atkins fears that not much has changed in this department since the end of the space race. Speaking to Express.co.uk, a professor of aerospace engineering at the University of Michigan and an IEEE member, it was explained why ion propulsion is an alternative that is slowly improving.

Ms. Atkins said, "As Scotty would say, you can not change the laws of physics."

"An orbit is an orbit, an orbit transmission is an orbit transmission, and we must combat gravity in the same way we did fifty years ago.

"That is, the trajectories we follow are very similar to those 50 years ago, and that's because of physics."

"The basic problem of throwing mass from the back of a launcher at high speed became 50 Solved fairly well, and we did not figure out how to do it much better. "

READ MORE: Why it takes more than human to colonize the Moon, Mars, and other areas [1

9659007] NASA News: Ion Propulsion or Ion Propulsion ” data-w=”590″ data-h=”350″/>

NASA shock: Ion propulsion could solve the problem of "basic propulsion systems" (Image: NASA)

  NASA News: Ion thrusters in action "title =" NASA News: Ion thrusters in action "data-w =" 590 "data-h =" 380 "/> </source></picture></p>
<p><span class= NASA News: Ion thrusters emit positive ions to create thrust in spacecraft (Image: NASA) [19659011] ion drives or ion thrusters are revolutionary as they use positive ion fluxes to propel a spacecraft forward rather than burning rocket fuel.

] As Scotty would say, "One can not change the laws of physics"

Ella Atkins, University of Michigan

An ion through ster will bombard a neutral gas like xenon with high energy electrons to single negative electrons to remove from the atoms of the propellant.

This results in positively charged ions which, when mixed with negative electrons, form a neutral charge plasma.

The xenon ions are then forced through a metal grid by applying a large voltage through the drive and fired into space to create thrust. READ MORE: Apollo was an inefficient moon landing, but & # 39; impressive & # 39; Elon Musk will fix a potentially powerful form of propulsion for them.

However, the current state of ion propulsion is still far from the technology required for fast and efficient space exploration.

At present, satellites and satellites use ion engines to hold them in the proper orbits.

But according to Ms. Atkins, the incredible technologies are slowly getting better.

READ MORE: Are People Ready to Live in Space in 25 Years?

She said, "We have an electric drive or ion drive that allows us to do this – and we're starting to get better – causing burns with low thrust between orbits, between planets or between a heliocentric orbit and orbit around one to transfer to another body.

"But we can not generate the thrust because we do not throw so many particles out of the back of a spacecraft when we use ion propulsion."

"This means that we do not start a large payload or payload from the surface of the earth – the thrust is not enough."

"So we're still stuck in the same kind of chemical propulsion system, solid or liquid, like us they had a long time ago. "

  NASA News: NASA Budget Over the Years" title = "NASA News: NASA Budget Over the Years" data-w = "590" data-h = "461" / > </source></picture></p>
<p><span class= NASA News: NASA's US Federal Budget Over the Years (Photo: GETTY) [19659029] NASA News: Ion Brothers in Action "title =" NASA News: Ion Brothers in Action "data- w = "590" data-h = "443" />

NASA News: Ion thrusters are still too weak Launch of a spacecraft from Earth (Image: NASA) [NASA] In 2017, NASA announced its involvement the development of two ionic thrusters known: the NASA Evolutionary Xenon Thruster (NEXT) and the Annular Engine.

The space agency said the Te It will help reduce mission costs and, above all, reduce travel times in space.

In the same year, in October, researchers from the University of Michigan introduced the NASA-developed X3 Hall ion thruster.

The University claimed that low power xenon and krypton engines could reach speeds of up to 25 miles per second or 40 km per second.

A Brief History of Rocket and Space Technology at NASA:

1950s – The launch of the Soviet Sputnik in 1957 drives the US to focus on the application of "space-based studies".

1954 – The US Rocket Lab detonates its first liquid hydrogen-oxygen engine on November 23rd.

1954 – Neil Armstrong begins his work as a test pilot for the National Aeronautical Advisory Committee (NACA) – soon to become the National Aerospace Agency (NASA).

1957 – The first hydrogen-powered aircraft makes a successful flight.

1960s – The space programs Mercury, Gemini and Apollo run the Soviet Union to the moon.

1969 – A Saturn V rocket carries three Apollo 11 astronauts to the moon on July 16, 1969.

1981 – The first Space Shuttle spaceship is launched into orbit.

1998 – A space probe with an NSTAR ion engine is launched on October 24th.


Source link