ABOUT US  |  CONTACT US  |  RSS  |  ARCHIVE  |  2022-09-30  |  UPDATED: 1400/12/03 - 17:55:1 FA | AR | PS | EN
Russia says íopen to diplomacyí over Ukraine, defends recognition of breakaway regions             Pakistan steps up military operation along Durand Line             Ghani Removed From UN Heads of State List             President Lukashenko: Belarus may purchase Russian S-400 missile systems             Iran rejects Reuters report on deal in Vienna talks as effort to boost Western sideís standing             Police throng Ottawa streets in preparation for crackdown on protests            Taliban Delegation Returns to Kabul from Doha             US General: Daesh ďConcerns Us in AfghanistanĒ             Afghan Women Criticize Bidenís Afghan Assets Decision             Afghan U19 Futsal Team Beats Uzbekistan 8-1             ĎNazi saluteí shakes up EU parliament             NY attorney general fires back at Trumpís defense of financial statements             Ethnic Russians in eastern Ukraine say attacked by govt. forces             NJ police cuff Black teen in fight as white teen watches showdown             US sends F-35 jets to Germany amid rising tensions in Eastern Europe            


DATE PUBLISHED: 1400/11/14 - 15:32:3
VISIT: 4790
SHARE WITH YOUR FRIENDS

Drones flying over Mars could cause Saint Elmoís fire, NASA says


© NASA / Jay Friedlander

The electric currents generated by the whirling blades could make the air in the Martian atmosphere glow

A team of NASA scientists conducted research to investigate how electricity could build up on the rotor blades of drones, causing the Martian air to glow. This phenomenon is known as Saint Elmoís fire and could help scientists learn more about electric charges.

The accumulation of electric charge known as ‘triboelectric chargingí is a result of friction which transfers the charge between different objects. This can occur, for example, by rubbing your hair against a balloon.

Using laboratory measurements and computer modeling, the scientists found that the spinning droneís blades would run into tiny grains of dust in the Martian air, which causes an electric field.

"As the blades impact the grains, charge is transferred, building up on the blades and creating an electric field. As charge builds to high levels, the atmosphere starts to conduct electricity, a process known as ‘atmospheric breakdowní, creating a population of electrons that form an enhanced electric current that acts to dissipate or offset the charge build-up on the rotorcraft," NASA explained.

‘Atmospheric breakdowní is more likely on Mars than on Earth because the Martian atmosphere is much thinner - the molecules which form it are very widely spaced, so free electrons can accelerate easier. Although the currents generated by a drone are small, they might be large enough to cause the air around the blades and other parts of the craft to "glow a blue-purple color." This conclusion is just a prediction, NASA says, as "sometimes nature has other plans."

"The faint glow would be most visible during evening hours when the background sky is darker. NASAís experimental Ingenuity helicopter does not fly during this time, but future drones could be cleared for evening flight and look for this glow." said William Farrell of NASAís Goddard Space Flight Center in Greenbelt, Maryland, the lead author of the research, published in Planetary Science Journal last year.

He added that the electric currents generated by drones would not pose any threat to the Martian environment, but they "offer an opportunity to do some additional science to improve our understanding of an accumulation of electric charge called ‘triboelectric charging.í"

 

LINK: https://www.ansarpress.com/english/26668


TAGS:






*
*

*



SEE ALSO

Texas sues Meta over facial recognition


NASAís new space telescope nears destination in solar orbit


NASA warns that Russia module may be isolated from rest of space station


Earthís core cooling faster than expected


Microsoft buying Activision Blizzard in all-time record deal


Mystery on Moonís dark side solved


Ex-NASA head explains what could make Mars and Venus habitable


ĎArtificial Suní hits record temperature


Telecom giants reject calls to halt 5G rollout


Chinaís íman-made suní sets new world record





VIEWED
MOST DISCUSSED




POLL

Modi, Merkel Discuss Afghanistan, Radicalisation And Terrorism

SEE RESULT


LAST NEWS

Ukraine considering cutting ties with Russia

Russia says íopen to diplomacyí over Ukraine, defends recognition of breakaway regions

Pakistan steps up military operation along Durand Line

Ghani Removed From UN Heads of State List

President Lukashenko: Belarus may purchase Russian S-400 missile systems

Iran rejects Reuters report on deal in Vienna talks as effort to boost Western sideís standing

Police throng Ottawa streets in preparation for crackdown on protests

Taliban Delegation Returns to Kabul from Doha

US General: Daesh ďConcerns Us in AfghanistanĒ

Afghan Women Criticize Bidenís Afghan Assets Decision

Afghan U19 Futsal Team Beats Uzbekistan 8-1

ĎNazi saluteí shakes up EU parliament

NY attorney general fires back at Trumpís defense of financial statements

Ethnic Russians in eastern Ukraine say attacked by govt. forces

NJ police cuff Black teen in fight as white teen watches showdown

US sends F-35 jets to Germany amid rising tensions in Eastern Europe

Talks on Outsourced Airport Operations Still Ongoing: Ministry

EU to deliver Є500 million to Afghan people

Atmarís Letter to UN Regarding Afghan Mission Denied: Faiq

Afghan Embassy in US Facing Financial Problems

Karzai: Afghan Girls íMust Definitelyí Return to School

US support for the Taliban/ US supports no armed movement against Afghan government: Envoy

South Korea may punish Tesla

Central bank calls on India to ban cryptocurrency

Three women will host this yearís Oscars, while ratings continue to plummet

Western leaders should see doctor over Ukraine Ďparanoiaí, says Russian envoy

GOP boycotts Biden Fed nomineesí vote as bank fights inflation

Europe pledges $11 M to Afghanistanís educational sector

Four dead, 17 missing as Spain trawler sinks off Canada

Putin: Russia does not want war, ready to continue security talks with West

Indiaís hijab row spreads to its most populous state

Israel trying to sabotage Vienna process as talks enter sensitive stage: Report

Kremlin: US talk of imminent Ukraine invasion Ďbaseless hysteriaí

Moderate Democrats fear party infighting could cost them Congress

NBA: Chicago Bulls 120-109 San Antonio Spurs

Afghan Delegates Meet EU Envoys in Doha

UK to Co-Host Afghan Aid Virtual Summit

Afghanistan U19 Futsal Team Beats Tajikistan

Pakistan denies ISI chief meeting Afghan Jihadi leaders in Turkey

IRC urges US, Europe to reset their policies towards Afghanistan before humanitarian crisis kills more Afghans


MEDICAL NEWS


ANSAR PRESS ©  |  ABOUT US  |  CONTACT US  |  MOBILE VERSION  |  LINKS  |  DESIGN: Negah Network Co.
All right reserved. Use this website by mentioning the source (link) is allowed. ›—ś‘ź«Ś «یš —š ی šŕŠ»šŌ«š