Stealth Technology PPT with PDF Report
Stealth Technology Seminar and PPT with PDF Report: How is it achieved: Absorbs radar waves or deflects to other directions, Minimizes heat and other emissions from engine and other spots and Makes difficult to detect except closely.
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Stealth Technology Seminar PPT with PDF Report
Radar Absorbing Materials (RAM)
- RAMs often as paints used to absorb RADAR signals.
- Iron ball paint, ferrite in polymer matrix used.
- Small cell foams painted or loaded with absorbing ink.
- R- Card
- Absorbing honeycomb
- Transparent RAM
- Reducing RCS alone not enough.
- More difficulty is reducing the IR signature.
- Interest is near IR region. (shorter than 10 µm)
Major IR emission sources.
- Tailpipe region
- Turbojets have EGT’s of 1000oC
- Exhaust gas plume
- Hot engine parts
- Aircraft skin (frictional heating)
- Reflected and reemitted sunlight.
- Using surface paints
- Non circular tail pipe
- Emissions from hot parts screened by airframe.
- The plume mixed with cool air.
- IR best transmitted 2.5, 4 and 10 micron bands.
- IR outside window absorbed by CO2
- Passive IR target acquisition systems more used.
- EM emissions other than IR .
- The greatest source is RADAR itself.
- Shutting down RADAR a solution having negative effects.
- Radio /radar altimeters and Doppler navigation systems.
- Stealth technology developed a lot.
- Investment needed is very high.
- High chance of low cost gain.
- A lot learned about signature reduction and absorption.
- Useful for other projects.
- Success yet to be proved extensively.
Content of the Seminar and pdf report for Stealth Technology
- What is it?
- How is it achieved?
- Vehicle shape and structure
- Radar Absorbing Materials (RAM)
- IR Emission
- Electromagnetic emissions
- How to counter
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