Ion Drive Engine

  • 2,394 views
Uploaded on

NASA scientists have succeeded in improving ion engines for deep space operations. We will discuss now.

NASA scientists have succeeded in improving ion engines for deep space operations. We will discuss now.

More in: Education , Technology
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
    Be the first to like this
No Downloads

Views

Total Views
2,394
On Slideshare
0
From Embeds
0
Number of Embeds
1

Actions

Shares
Downloads
53
Comments
0
Likes
0

Embeds 0

No embeds

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
    No notes for slide

Transcript

  • 1. Presented by CHANDRAPRAKASH S-7 mechanical Roll no – 16 Register no-10418016
  • 2. Chemical thrusters • Chemical thrusters such as fuels can’t give much power for a long mission • Its is unreliable , that it needs frequent refueling Solar energy • Solar energy is abundantly available in space, but cant utilize it completely asteroids • Fast moving shuttles are needed • A sustainable energy conversion system have to find out
  • 3. High power engine Mission to mars Study about other nebula Replacing chemical thruster Self charging shuttle
  • 4. Efficient use of fuel and electrical power enables modern space craft to travel more Can provide higher spacecraft top speeds than any other rocket currently available. Cheaper and faster than any other propulsion technology
  • 5. What is an ion ? • Ion is simply an atom or molecule that is electrically charged • Ionization is the process of charging an atom • A gas is considered as ionized when some or all atoms are converted to ion • Plasma is known as the fourth state and in that state gas is neutral • It has the some properties of gas , but affected with magnetic and electrical properties
  • 6. • The mechanism uses charged particles to propel aircrafts forward • Operation relies on charge to mass ratio of electrons • Thomason's work with cathode ray tube • A cathode filament in a chamber with inert gases How does it works?
  • 7. • The gases are charged by filament • Accelerated by the grid downstream • Electrons are collected through a tube • The second grid accelerates the ion to 35km/s^2
  • 8. Layout of a thruster Multi inlet Propellant at three corners External source Anodes placed in walls
  • 9. Layout 2
  • 10. Xenon is an inert gas and thus corrosion can be avoided First Ionization energy of xenon is .125eV/atom Have high charge to mass ratio. (7.14 x 10^5 coul/kg)
  • 11.  Power source  Power processor  Ion thruster  sensors
  • 12.  Electrostatic ion thrust  Hall effect thruster  High power electric propulsion  Dual stage 4- grid  Electrodeless plasma thruster
  • 13. ELECTROSTATIC ION THRUST  Made by Hughes space division  Owned by Boeing corp.  Uses xenon ions  Acceleration of 30km/s  Ten times faster than chemical rockets
  • 14. HALL EFFECT THRUSTER  Known as plasma thruster  Uses hall effect to capture electron  Ionization  Soviet model was successful  No need of external energy source
  • 15.  Uses microwaves and magnetic field for excitation  Effective for low changing density gases to plasma  NASA believes by removing the cathode and equalizer , mean life can increased  Projected to use in Jupiter missions .  Acceleration of 38km/s^2
  • 16.  Two stages of acceleration  Better throttling  Low wastage of energy  It can attain 210 km/s  It’s a contribution of European space agency  Mission mars Dual stage 4- grid
  • 17.  Similar to HET  EPT doesn’t have an electrode to collect electrons.  Reduces failure rate and there are no mechanical part in the stream.  Because the ion is accelerated by magnetic field , no neutralizer is used.  Energy needed for thruster is minimum  This increases efficiency up to 91%
  • 18. •first design ion engines at rear ends •Maximum carriage of people. •Have a speed of commercial aircraft(approx 500-600 MPH)
  • 19.  More streamlined body  Ion thruster placed below  Solar panels are placed above the shuttle  Achievement of maximum solar power  The design allows more speed, but low payloads
  • 20.  Use of liquid nitrogen  Passed through porous in to system  Cool down the tile and adhesives  We need to improve the techniques  New adhesives have to be implemented  Storage of liquid nitrogen.
  • 21.  Ion drive in some form or fashion will be the future of space exploration.  It took 30 years for the development of idea  The new engine by nasa, says it can take humans to mars in 39 days  Can think about vehicles in earth with ion engine as a booster
  • 22. Contact number = 9995404785
  • 23.  ^ Electric Spacecraft Propulsion, Electric versus Chemical Propulsion, ESA Science & Technology  ^ a b E. Y. Choueiri. "A Critical History of Electric Propulsion: The First 50 Years (1906–1956)". Retrieved 2007-11-07.  ^ Mark Wright, April 6, 1999, science.nasa.gov, Ion Propulsion 50 years in the making  ^ "Robert H. Goddard: American Rocket Pioneer". Smithsonian Scrapbook. Smithsonian Institution Archives. Retrieved 28 March 2012.  ^ a b "Innovative Engines - Glenn Ion Propulsion Research Tames the Challenges of 21st Century Space Travel". Retrieved 2007-11-19.  ^ (Russian) "Native Electric Propulsion Engines Today" (7). Novosti Kosmonavtiki. 1999. Archived from the original on 6 June 2011.  ^ a b c d Shiga, David (2007-09-28). "Next-generation ion engine sets new thrust record". NewScientist. Retrieved 2011-02-02.  ^ "ESA and ANU make space propulsion breakthrough" (Press release). ESA. 2006-01-11. Retrieved 2007-06-29.  ^ ANU Space Plasma, Power & Propulsion Group (SP3) (2006-12-06). "ANU and ESA make space propulsion breakthrough". DS4G Web Story. The Australian National University. Archived from the original on 2007-06-27. Retrieved 2007-06-30.  ^ Oleson, S. R., & Sankovic, J. M. "Advanced Hall Electric Propulsion for Future In-Space Transportation". Retrieved 2007-11-21.  ^ "FEEP - Field Emission Electric Propulsion". Retrieved 2012-04-27.  ^ a b c Marcuccio, S., et al. "Experimental Performance of Field Emission Microthrusters". Retrieved 2012-04-27.  ^ ElectroHydroDynamic Thrusters (EHDT), RMCybernetics.
  • 24.  The Daily Galaxy: NASA Trumps Star Trek: Ion Drive Live! (April 13, 2009)  The Daily Galaxy: The Ultimate Space Gadget: NASA's Ion Drive Live! (July 7, 2009)  Mason, L. (2000, April). 4.5-kW Hall Effect Thruster Evaluated. Retrieved December 13, 2006, from http://www.grc.nasa.gov/WWW/RT1999/5000/5 430mason.html/Hall Effect. (2006, December 12). Retrieved December 13,2006, from http://en.wikipedia.org/wiki/Hall_effectWhat's a Hall Thruster?. (n.d.).