technical seminar on stealth aircraft technology

8/17/2019 Technical Seminar on Stealth Aircraft Technology

1/21

Technical Seminar On Stealth

Aircraft Technology

Under the guidance of By

Prof. Swetha S KARAMVIR SAINIDet. of A!" AIT USN #A$#%A!&%'

B.!. Aeronautical


2/21

A(!NDA

INTR)DU*TI)N

+IST)R$

ST!A,T+ T!*+N),)($

-+AT IS RADAR

ST!A,T+ V!+I*,! S+AP!S AND D!SI(N

RAM / RAS

P,ASMA ST!A,T+

ADVANTA(!S AND DISADVANTA(!S

0UTUR! )0 ST!A,T+

*)N*,USI)N

R!0!R!N*!S


3/21

Introduction

Scientifically know as VERY LOW OBSERVATORY(VLO).

Fighte !lanes ae "a#e so they ae ha#e to $e #etecte# $y

the a#a an# othe #e%ices.

&atial in%isi$ility to a#a an# othe #etection.

Re#'ces #etection ange of an aicaft.

Si"ila to ca"o'flage tactics 'se# $y sol#ies.


4/21

The fist STEALT* aicaft ha%e

$een #e%elo!e# in +e"any #'ing

the last yeas of WW,,.

The fist co"$at 'se of stealthaicaft was in -ece"$e /0/

#'ing O!eation 1'st 2a'se in

&ana"a.

Late A"eicans woke# on stealth

technology an# s'ccee#e#. This

techni3'e has also $een 'se# in shi!s.

+i1tory


5/21

ST!A,T+ T!*+N),)($

The goal of stealth technology is to "ake anai!lane in%isi$le to a#a.

Thee ae two #iffeent ways to ceate

in%isi$ility4

,. The ai!lane can $e sha!e# so that any a#a

signals it eflects ae eflecte# away fo" the

a#a e3'i!"ent.

,,.The ai!lane can $e co%ee# in "ateials thata$so$ a#a signals.

.Stealth aicaft has to $e stealthy in si5

#isci!lines4 a#a6 infae#6 %is'al6 aco'stic6

s"oke an# contail.


6/21

-hat I1 RADAR

Ra#a is a$$e%iate# as a#io #etection an# anging.

Ra#a was #e%elo!e# fo wa a!!lication6 now its

a!!lications ha# #i%esifie# .

This is 'se# to la'nch the "issiles $ase# on the

taget an# also co'nte attack the "issiles la'nche# $y

othe co'nties.


7/21

ST!A,T+ V!*+I*,! S+AP!S /

D!SI(N

Ra#a a$so$ing "ateials.

Ac'te angle.

-esign of 7OSE.

Stealth aicaft "'st $'y theengines within the wings.


8/21Date

Difference 2etween Stealth aircraft

and con3entional aircraft


9/21

S+APIN( )0 ST!A,T+

The sha!e sho'l# $e flat o ectilinea an# at the sa"e

ti"e o$li3'e to the inco"ing wa%es.

Anothe "etho# $o'nce $ack on a %ey li"ite#

n'"$e of #iections6 "ay$e only one o two.

A co"!act6 s"oothly $len#e# e5tenal geo"ety toachie%e a contin'o'sly %aying c'%at'e.


10/21

Nor4al fighter lane

1howing the engine.

!ngine1 of the aircraft

are co3ered.


11/21

!5hau1t lu4e of anor4al 4ilitary lane.

Stealth Aircraft withoute5hau1t.


12/21

RAM / RAS RA8 Refes to RA-AR

ABSORBE7T 8ATER,ALS*.

8ost s'ch "ateial consists of an acti%e

inge#ient6 a #ielectic6 s'ch as ca$on6

o "agnetic feites9which is "o'l#e#

into a non:lossy #ielectic "ati56

's'ally a !lastic of so"e kin#.

RAS efes to RA-AR ABSORBE7T

STR;2T;RE*. To achie%e a high #egee of a$so!tion

o%e a wi#e $an#wi#th honeyco"$

st'ct'e is 'se#.


13/21

P,ASMA ST!A,T+

Pla14a 1tealth i1 a roo1ed roce11 that u1e1 ioni6ed ga1

7la14a8 to reduce the radar cro11 1ection 7R*S8 of

an aircraft.

*onducti3ity of the la14a allow1 it to interact 1trongly withthe inco4ing radio wa3e" 2ut the wa3e can 2e a21or2ed and

con3erted into ther4al energy rather than reflected.

Pla14a 4ight al1o 2e u1ed to 4odify the reflected wa3e1 to

confu1e the oonent91 radar 1y1te4.

A21ortion of !M RADIATI)N 2y la14a 1tealth.


14/21

P,ASMA ST!A,T+

,n this stealth the aicaft in


15/21

B:% B)MB!R


16/21

Ad3antage1

Re#'ces the ca'sality ates

#'ing wa.

Sa%ing "ilitay $'#get.

-e%elo! the "ilitay secetes.

Bl'ff the anti:#etecti%e #e%ice.

Stealth aicaft ae in%isi$le to

a#a.


17/21

Di1ad3antage1

Stealth aicaft cannot fly fast.

,t is not "ane'%ea$le.

Stealth aicaft can cay

e#'ce# a"o'nt of !ayloa#.

2ost of "aintenance.

Vey econo"ic.

-oes not !o%i#e the o!ti"'"

a"o'nt of lift.


18/21

-e%elo!"ent in the fiel# of #efense.

8ost co'nties ae in%esting hea%ily in the" an# the

e"eging technologies.

Stealth Technology has i"!o%e# significantly "oe

a#%ance#.

Stealth technology ae not yet a%aila$le wol#wi#e6 $'t

"ilitay foces ao'n# the wol# will soon $egin toatte"!t to "i"ic so"e of the key feat'es of stealth

!lanes.

0uture )f The ST!A,T+


19/21

Stealth technology #e%elo!e# a lot. ,n%est"ent nee#e# is %ey high.igh chance of low cost gain.A lot leane# a$o't signat'e e#'ction

an# a$so!tion.S'ccess yet to $e !o%e# e5tensi%ely.

*onclu1ion1


20/21

R!0!R!N*!S

htt!s4>>www.lowo$se%a$les.co">

htt!s4>>en.wiki!e#ia.og>wiki>Stealth?technology

htt!s4>>en.wiki!e#ia.og>wiki>Ra#a

htt!s4>>en.wiki!e#ia.og>wiki>Stealth?shi!

htt!s4>>www.ai!lane#esign.info>@.ht"

htt!s4>>www."ilitay:heat.co">>'ssian:!las"a

stealth:fightes>

htt!s4>>i"ages.google.co.in>i"ages


21/21

Thank you

technical seminar on stealth aircraft technology

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