荷電粒子応用工学プレゼン

1. What is the Ion thruster?
Masahiro Hata
Research Group of Fundamental Computer Engineering
April 16, 2010
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2. Ion Thruster
It is a kind of rocket motor.
Use electrically powered spacecraft propulsion
system.
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3. Ion thruster mechanisms
1 Ionization :The propellant is ionized by the electrode.
2 Acceleration :The ion is accelerated according to the potential
difference.
3 Neutralization:The ion beam is neutralized.
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4. Ion thruster’s characteristic
High specific impulse
Low spacecraft acceleration
High velocity
Erosion of the electrode
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5. HAYABUSA
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6. Neutralizer
Ion source
Using xenon ions generated by microwave ECR.
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7. Operation by ion thruster
The ion is generated by the energy of the photovoltaic
generation.
Space navigation by posture control and orbit correction.
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8. Conclusion
The ion thruster is a technology necessary for the space
navigation, and development and the proving test are
advanced now.
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9. Conclusion
The ion thruster is a technology necessary for the space
navigation, and development and the proving test are
advanced now.
Let’s assist in HAYABUSA all together!!
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10. Thank you.
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11. Reference
[1]}
,“
,”(2008)
[2]}
(JAXA),
http://www.jaxa.jp/index j.html
[3]}
Wikipedia - Ion Thruster,
http://en.wikipedia.org/wiki/Ion thruster
[4]}
, , ,(2009)
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