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AD146516

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FROMDistribution authorized to U.S. Gov't.agencies and their contractors;Administrative/Operational Use; SEP 1957.Other requests shall be referred to NavalAir Systems Command, Washington, DC 20362.

AUTHORITY

USNOSC ltr dtd 5 Sep 1969

THIS PAGE IS UNCLASSIFIED

Ared Services Technical honaion AecISCIMENT SERVICE CENTER

-TTI IA II AL 7

CGOM ONLY

t4QrlCKil aHll CaUINW 03im 0Y5K hLW SICwA03O DATA

U17~FORANY PLAUIO 0"" (ULA W CC3EKZCTKK WITHA DXMU.T RELATED

NOP R=S~U~Y MM AMl CUA~UATOSVK3 AM)TH FACT TEAT U

GOVRXM"" IA .A fi POMWLATU), I, V9 A19Y WAY SuPPLED TIE

MAD~ DR It~3 SWC1!EATM 0 CHE DATA I aWPM TO 39G W

IMPLJCATKI4 OR(~3RN AS 31 AMY VUM~m 12: sin PGOWE"R Oft A"Y CMhER

P1W 03 CC3.ATIM*. 03 C(UVY ANYMMT5 CS IRi TO MM'UFACTUREt= 03 'SEL-L ANY pATZWME MPYKMTI TEA JT AgD AXY WAY K RELATM) TRERXTQa

-eatao *- tk -t

DUN"u *f Irl-fetSmtraet NOrd-16Z(M

TIE :BAB Y 7!NJZf 1: 2SILZ

IN FULLY INZT T 1 FL0I

Repvdwtia dh ole or in perL is psimitted for n =I amof the KWtd Stowe %~min

Caifow'ia lujitt *! Tebn1a

-ca - -

'ME oomu mef.~ tofu 3~t~ =&In 3r Um bate w :A

of attick q to :* Jogro mod~ 3%vms do. tr

4.5 x IDE. mw -Smu3 m .uPe=w a Nx.*r

be~ are is - - - "I SM =W"im~u fri f-W

flijbt dreg sot 12 the Catvli asopbo *!~l:t4'gdA

The tests described !n thic rerort as --w Ahase f.-f an~re~i

prcbram in tbe Hydrodyaics Lobratr7- to invest'lgate the -0AZr

coefficients and free flight cbarecteristica of wm3ereat~r ne-l15iC

missiles. Other rkhass of this program are tbe reas~eset of the?

namic force and moment coefficie of the Basi', Fl1xr uivrile iz the.

High Speed Tiater Tunnl on the angWar osci 1atirig rod liner oscillating

iyiandc ba~lances and free flgtsr±e 2 in the ~rle L e

launching Tank.

The Basic .44rxner configuration ha3 b,-;n tested i.- the tu-sa of

Standards 1'.knd Tunnel and is being used in exeriaimtal m'Wi thewvtiaa1

underwater force coefficients and trajectory inwestl ptioma at the Lxper--

menta~l Towing T6ank, Stevuu Institute of Techalgy tke Naval Pmving

Ground, Daalgren, Maryland, and the Naval COrlzne Tait Stati=~3 _GaQPO.

JAWI.

The principal diau1is of the Basic Finner xi.-sIea cmfIg~atiom

are shown in the sketch, ?ig. 1. Models of 1 and 2-ia diameters vere um

in these tests. The larl;er model s febr-- cted to acc 1-to the, Lute!'-

na). frre and wmc bal~ances __saz _U_ uakIi dymnie t. and in

order to inizis the eiffects of strt and shield istwfrvace. Becuen

the wxtrm leogtb of the 2-ina imee sadels (2C in~*), the 1-im*

diamtv? nodel vas tested in order to aiiisie tb. =&U effects at hiab

angles oft attack.

-- T4 AM M T ?vWCP

vwv used. For an t Zf be -at Id I sart ~xnve us Swee-d

frm th 2 1w leavng xdy a small clvru gp bP-, %he zdeled A

6WINU10 *idd. MI- "t- in i" *-nh &O)MW ;be M gf:4.

In2 or~' to =Xbrste Ih* *fT*t *f 'Um 4:6.eld ixtwfuwo = 'th. tw--

a sca, iavee *i.Ii msn smad 'm the apie, aid bu wt too.bix4tb 311

kg *Otaai*, r4. 2", and thin t~e U~td h ffervm betwee the rm~ an* viik wid wtou Imu S the of!.et 3

the Saftim of Th w. e Shiel mod -.A~ tha *0 SIM814 41

favin effeu ve ddt this *arwet1n me -olace Afrm U

diufar the 1-inc noal sa zf the taot m, su wiU %be wdes

ferw at lwgs attack aagles. The bwo portl= it %be siwL nCt~

za 1/2-1a. ev"Miw MW*4e M~± *&V~ge &~± oaum

~y i ri cal setlm Z.29CIn in um.w The zatal !t wo ato

Wiade pcr" =S of *Re the spindle2m 2-in. fa *V. moa n

hISM ids =p b~ *a =del d %be wmW *!ad w zo 2-iAtg:

am the bit3 spiudl* p tbe iztertwac o fe.t. if"Uw tawltbe s ie.

=w ai~1 = ~ u me idl t~t ins rapea, tod1th tha xle sutaI = a sl

sInd] frm %b wwaite t-jowl uU.l and a s.ods wO~1 at~dwd tc th

!~balance ithumU leamp at the sods". :U Its umrth

f Wwere alratsie for tke molialded wti. * f :be stre. 5e -

fernc Of feet Uw sp qindle me caliated Zn a tz-'d imt by 2s±t an

!=mP. na "i1 mw 4S me i th tb di.-6e-dPd at"t

Two type of tests were sede. ,he drag Ooeffg 1'rt As ee.

a furti :i of Reynolds umber at zero attack angle f r 'atr vel Ioe*froa 4.0 to 65 fps. The uximm speed ws lmsited by the streth e tnodel spindle. The lift, dreg and pitocid samnt are smm by .z-ning the t l at ooutant velocty ad varying the angle of attec 3fthe model. most of the tests owee mde with the model pitdwd in a planmnor to oe set of fins; hareve,* me series of ra- vas mede wlth the

afterbody of the model indexed 45 deVt relative to the pla at gf ptcangle. The results of these tes are *wown seprately. Details of tforce balance, re--wit systm, sad dat& hand34ng itods are deci in

Refe. 4 and 6.

The force and ment date ine rodced to ci onless coeffie.eas

as followsI

Drg coefficlenl, .,

Lift eoefficient, C n --127L -rA4

Pitckiing amat WofficIent,

where:

V free strem velocity fp

= density of water, alugs

A n cross sectioc.l area of sodel, ft 2

D u diter of sod*, ft

em ment s ar given about the sidpaut of The mol 5. C lime:)rCthe nose tip. In additiou to the skielId aWn strut interferince ca recticn

the drg coeffieiet vs corrcted fr 'ioet.I borlmrj. '.&m* i

drag is due to the static preswe rdie t al= the ten .- ia.

?1qri!zi ?U4. 3. j ti.. ;t tn

are shoma ftne~~ms zf an4* 3f Pitwh !" mwer1 Reynolds ubw .11n

Pig ~~ id.. im!. to, bo -ties- -ma i.nftz for.

!I= imieved at ASloorw

Sby "Mitad a'v=Oat FIS are f~ "iqwft~ zbud ftm I x z?

to 4. x 115~. M- trag =ffticints are iaw ine Vbe tlmare * at the2 *

opw Uzita of the 43jw6s !mw -mme. Prim rspwto a true c'f4i-alum of '2.493 at a Anyw~ds wwk it ap~~tl 3A.6l in tIa hmreM~t t -Ot at !h 4s. . £ t bolef %ho atew *AM9 ft a~

mesn and %be %f AC !.s mm11nt !bq th C1T fr n 42iWt t~ts

-ar sof at smlA Rqa an in =I i !% the tu1o test dwwe rimalza

&W rm zoafkit sa~ a rp bu ek ate 0.ymgdu

a.'fwt all toorw of th*24m --L 4it sla si tam am &WtfCOMM.aet imTMuMs witk imng 3yU. jlns& No o Im *th vuqe.

"%4 s trnd~iuS ist I& th c.w a 3" oM~w~ t ve atta*

W4149 A , 4

Lif4 t, & md ii± t;tdo A dlLt ce ia e wv 3'yinl

whme@ of 1,7v 2,% 3.4 and 5.1 z 106 for ama e ar c * %0 1.do

g? is !lq. 4 "h U.Pt AdM ut ao aLwt nomvriatim wthb

23&.1 Iss ;it I& a Puma. Srmai to met wt run :A the to If

it4. %, the uoel atftd waB ritat 455 i.Ures and * =&* pitw

!a a pime 45 jiraw to an faw fim. vit uw sod s~aw A5 ftw

to th p1s of t is the lift, dws a" omt awticiewtop as ex-

pet~d* ame ]m tb wIf th w~f ptb wnE1 Uo am t of ftw ?&Px

mlts *f ata vpm~t then 5 4.Uina

RMinGES

L Kiceniuk, Taras, "An Experimental Determination of Dynamic Coeffi-cients ior the Basic ?Armer kissile by Means of the AngularDynamc Balance", California Institute of Technology, Hydro-dynamics Laboratory Report No. E-73.3, June 1957

2 Price, D. A. Jr., "free Body iodeling of the Dynamics of a in?-sabi-lised Ballistics Missile in itonspinning Vertical Trajectories",California Institute of Technology, Hydrodynamics LaboratoryReport Mo. I - 73.1, April 1957.

3 Stuastad, G. l., and 7augh, J. G., *Drag Coefficient of Fally WettedBasic inner issile', U. S. Naval Ordnance Test Station,,NAVord Report 5269, June 1956.

4 Hots, G. U., ar4 McGraw, J, T., "The High Speed 7ater Tunnel Three-Compctnt Force Balance', California Institute of Technology,Hydrodynamics Laboratory Report No. 47-2, January 1955.

5 Knapp, R. T., Levy, J., o'Neil!, J. P., Brmn , F. B., "The Hydrod icsLaboratory of the California Institute of Technology", Trans,ASME, Vol. 70, No. 5, PP 437 - 457, July 1948

6 Kermeen, R. 7., 'Mter Tunnel Tests of NACA ,12 and ilchner Profile7 Hydrofoils in ionoavitating and Caviteting Flows", CaliforniaInstitute of Technology, Hy& dynaidcs Laboratory Report No. 47-5,February 1956.

6

F IGUP TI TLES

ig. 1 Sketch of the Basic Fin rr dssile configuration.

..... ig. 2 One incU diameter Basic Fim=wr midel mounted in te Hig Speed"ater T.w-ml. Upper photagrph - single shield; lower photogaph,image set-up.

?g- 3 Drag coefficient as a function of Reynolds nmber for the BasicFimer in fully vetted flow.

24g. I* Lift, dM and pitching umnt coefficienta for the Basic Finmeras a function of angle of attack.

-- ig. 5 Lift, drug and pit..ng mou t ooefficients for the Basic rineras a fuwtioi of attack atwle. Liodel pitched at .5 degrees toplane of fixw*

- - - 9 -

C,

~ci'j~.a

~- ~oc.

- -IIIWI

ft

I

t

C

S

a

I Ii£U. I9- 1- *

a

-

I I[ I

Ii

- - - -

CF

-i-

-a -

I D

.... I -

' &

I -

A S

iI -

I USi,- 4•I -

U --

-L 'o o -

Or.2 n-nhdaee ai inr oe one nteH~ pe ae

Tunnel Low~ phot - sigle sield.Upp~rphoto- iaestp

RT~~~Sr ~

PO-W

S- -- - - -

I I

--I/ __ _______

-$t tI

-4------ -

I.l3 :~) 9I K Ii.

F I _4

i S

T!

I I

z-

Ua

000u

ou

0 :

.I0 -50

OFI -2.

LIFT

l- *a~ '

I C,4- 8

Um.

6-J w I

o 00U CO

LJ Rez 2 5xe1OO

0.0 -5 5to

aATTACK ANGLE

___ -- 2 -41

-3 -6 BASIC FIP4NER

-4-8- ]

FIN POSITION - 45*

Fi. S. Lift. drag and pitching moment coefiiants for the Basic Finor as a