Shear modulated fluid amplifier of high pressure hydraulic vortex amplifier typ

Goldschmied, F. R.

English

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https://ntrs.nasa.gov/search.jsp?R=19710008103 2020-03-17T02:37:49+00:00Z

I!$".'EP1'[ Ji,jN 
'4^1k Ip?i.i.?fii. ii;v?ntio:: Is :,:>ci;:. qipi3iili;itd fluid Llrxilrli- 
Ai:r ~ 0 i i i ~ M ~ e d  OF :I vortex-she:li. ~riudul:,:or yosi:ior3ed 
t; :"L~'u% theh:: control strciirzl flow cil;~cn:ti ieading to the iangeniiui inpiit ilk' :I vortex arirplifier, This cnrltrol sirean) 
f1aw is injected at a cunstaial p1es:;tli.e jhi:la cz~okeB:l 10 
effect iirli trii-miown of ifie voracxe an8giiliea) into the 
vorlelc.=sliear rirc;il~il;~lor, 'Fir:; vsni::x-s;it:si mocfalatar out- 
10 put can deReci alli a poi.tic>~'c, or none ifl the cc\ri:.rol stre;ina 
ilow derendinr! 011 the i f ; ~ ~ ? t  to tirc vortex shear nrobrr- 
AESIR;LC; ; OF 'F,"lpi: I:;g!;CH,QSUNg; iator. *ihiis, iyctisryiny theAvol-lex-silc;:r rrlrj~!irintor inijrul. 
v:ir-icx tile C G ; I ~ T O I  ,stre;im finw r.e;ici?;rig the v o i . 9 ~ ~  ainp!i- 
I '  I i c  : I , f ticr, ri,r:i, iheiefare, v:iiies c l l e  . jorfex alrlp!ii;ci oulpilt, 
i c  I t i  . ; c . , a  g , - 7 -  j 5  
-j-iji; piesell; iriveiiriun lias liigir :Iotvcr gain ( a t i t p u t /  
\hear rrloc!!il:iior as a piior jiagc. l ' i i e  vortex anrpii'ier's coarlroi inpi,: because (he voriex-sl:car rnociulaii-; 
control .[:cam inpiti is riioc!'r!i?ieii I-.! :he i ,or~e;<-~ijear U l i ~  r n ?  ,,. . . s ar, inorit at low pressure to deflect the coiatri;l 
modu1~:tur which tias iia inprit t'r; ~ni:::.~ iolver ;ir.?rsiilt:. sil-ea::I of hipi:er. prcC:sii?e whicir ricti~aiij; ~ c r ~ t r o l s  the 
'rite rnoJiiia[ti?r! ic, accon~pl.E:~h:d is:: i i le  :b*:aring 3r. dcJc;-,i 
. .< 
' . vcrrkcx an!lrliii;r 711us, the "'cur,tripl" i i r p ~ i i  1.0 the in- 
J ? - !  - I : % ?  of r!ie l'oi-rex.>tl::; 7 .;i3drii:rlor ! in  ihc; Slii:!r!i' i C i  :.:3 tegraicd sys?-,ni i s  !kt: vor.lex-siiear ~ : o ~ i ~ ~ i : ~ r o i .  ;j-,pi!%. 'This 
i $ , i t ! ~ i ~ n  the vb,eri!ii:g g;~].) l:tg~tv~t:~~-> ;i *-:{>*~yb:cr b~8ciz [ : :  ;ill<! :j, j,?t 
- , 
:;[nailer inpiil of liie voi.Lr;:;-:?,c:tr nj<jdulati;r eierlvci 
i ' 1  I I ;  o . < I  i -  tile larger coriirai sil-e:,iil i7oii bc:,n:jse it is ztlgmen:cd by 
i!~;;:.~b;, c.;rk:.;c;:\ ii:e L,: P : ~  ,.,qtllti #-,( f l y c i 7 b : ~ ; i c ;  the ic~(r i f i lga l  "KC i;ea:o.;iret' by %lie ;rriilol:tr. ffu\v iii its 
c-t-):~lro! '.ire:)lm c-:! tfx.; r8et,: > . ~ ; . I J ; ; , ~ . ~ ~  : ; i~:: t :  jp t l l i -~: : <J(;U 
".c interaction ci:;:,nber. 
: !  : 4 :  j"!i . ~ . i - - , r . ; r :  ; : ! ) - . . * i r~i- i .  8 . : ~ .  . s - -  2s Wiliis i;zi r.tirpul c.f ;he .;;<ri.[c,;< :ti~i~]ifie: is f.:i;-~>c!~d lo 
f -  <,,>f ' ?  - , 4. i t - .   i < >  >: pi-# I,;$$ ,t~tA:::,!:!~r -:*!.p; illi 1 [.:#I? kjy~ns>s;lcc: 
, . .  
be ai i iays i~yei:nglii:, lrcnr zcre tc; sonic I.leii prcssurc oi 
5 1 ; ;  1 h i :  1 :  oz ; ~i ; !  i . i i!re f2i.ci.;! ~~ tL :wan l j s  :b./iii,Z, ljie vol.ies.,sf~isr rtli)du. 
. . 
,-;r : - L P : : ! ~ ~ ! ? ,  
*',#ar":,-za* 
iiitor iopii  !n:iy bt. I~?:iEia~~lic or pneir!~~:-lic, single or 
ii~uitiplc. Thcs, a fluidic initsriaci I:, nririctied I_:etweei~ 
;\)%xcr.: , ~ r ~ ~ { ~ ) ~ ; ~ t ~ , ~ ~ , &  'r>F ?'t{Ei ~, . , ! j~ ,p<" ] .J<)p~~ 30 lo*>;-pressu~e pnc:inn;jti~ I o g ~  2nd high Pit:SYllrc hydraulic 
gniver and a sigr~ai iiiiiiiag cal?abiliiy 15 obtained witllout 
extra components. 
As !fie input 1.0 tllc vortex-qheai i i r~dii lalor  is in 
creased, more i!C rh~! conlroi stierim 3ov; is deFleclcd arid 
:i5 the output of t l x  :lcrrtex ai~pijfil:!. i s  ii~c~t:ascd. instcad 
si v.-!iyirng in;.c-rs::;y as  r l o  ;kit: VOI.!C::. ~tniplifer C O I Z ~ I . O E  
:icw ;:ntl the vortex ainpkifier OiJlplif, ih: vortex-sheal- 
n ~ r , r i ; ~ ~ ~ ; . o r  Er~p~r: aiid ?he ;;;xiex awpiifier ol:tptz!, vary 
~dirc;!iy . 
sntai:cr ;i:itpirt f i i : c i i i a i ;~ i i~  aratl beitc; ,Ei~cai.iiy than 3 
1isa;;l vciricx ;ziii:,iific:r.. ?his ennbies :r:inoli-r conll.01 of 
:he oitii>iil ov!:i. its tiiiirc snagc.. 
'f'lrcrsforcc, i f  is bioatfiy 'ail ::bjeci of !Itis iirveriiloi~ to 
'' pic'vidc ;i I-:;dr.aulic cnr:lr;i sysrcii l cif :iig!l p n w e i  gain. 
I t  is :still onother objc,ci of :his invcrrtion to  provitie n 
?iqrciraulir ccmrr!>l sysicnr whose o!tIpt~t I I ~ ~ i u i k L i ~ i l s  ar:!
d;>,rr?pencd .;ii.r.iiiiea:~tiy hirttP W ~ O S G  ;es;ioiis<_ i":,i:'~-iiAb:~~i!- 
bG iy i:ri;)r:~~t'i!. 
A fur-;her ui;ject is lo provitig: :r !tytli.az~Eic c;i,iri;l i y s -  
fen; capable id acceptirig a pi!erim>ii:i; itlpui wiillo~rt $ 1 ~ 1 -  
$i;ioii;i! cooiponenici zirrd :\!::it i : i ip&bi~ OF ;tc~epil:ig r n r t l .  
tipie iinputs for signa'r s~~rnmr~t ion,  
5E 'File above ant? still firrtiler oi-)jccis, I'r:!ttires ani' ; : . t l  
vaniage:, {if lire ptr::;?nl ir?ve~i:io~i i % l j j  iitxibnl:: appi l ie~~!  
1tpcir.i cc;nsicierariciii eri t ; ~ c  f'oi1catrirrc. :ter,:i?eii dcici-ipticirz 
(,f ;i F ; $ ( $ f e v - i f y j  < l i 3 ~ , ~ ~ ~ , l l e ~ ] ~  [hcrt;of, < . , ~ f , ; ~ j & j l =  ?' , . , I -<  ,i,-. q * - ! . P ' a  4 t%... " :a 
x ~ ~ j ~ ~ ~ ) ~ t i c > ! ~  i s f i t ! ?  tl;f: : i c c o ~ ~ ~ ~ ~ : : r : ; ~ i ~ g  dr;i~,s~~r~g:;, 
5 
,> ) >  ;. . ",- . .,-~ -- -. t ~ , t .  ,*:# i-jkL>,g l<.tp'ri()[% ~':,;, -r;.{kL ; ~ 1 2 ~ / ~ a : v ~ ~ v .  \ 1 . i . r -  '< -=.  
i >,I(rts.. : :; s ;$~L\!  I b - b t J * ,  .;t: :,1: j: ,s . , j~ t : : : -s  i? t L  
~ ' 
't , - &  $it,, : f : # *  ::]-#(,>*+c (:;~j;.;:>..:t.:":, .',':&.,p* <;.; i .::,-J8--*! /I .  
. " 
; > :;). :;" :, ~:$c ;  t L ] :,l{L:ri):.\,ti:;~- I:,: !::!':> ,, " x-. & ~~8 - . # I :;, 
1 ;  <:.i -', , i ! :*8! ' &** ) - < #  ;:fc,d s>:;l< 1 .  ir! ,!;  ,g il;.; : ; " : .><!- : i r : :  
;'rf'i.r.>i". t . .  ;.{(;' a"-.' -,. ', " #  r s S s ;  - # ?  ~. ,,' ::< t!:<l& t.,\*r*!~,<< $ > X < "  . @ , I  #**,ht<,c f."tf t i lk 
.~ ~ - ,. 
', > < ( > I  < * ~ : l j > { : ~ l ~ ~ j  01. I>;vqi:j. .?L*tgc ;,> :&>;3*: (:,il<yvv2 2;: tlle 
rigirr jn PIC;, 2; lo jwri'or~a~tince. of the rri*$l:ntln:r (sllawiz 
o n  Lllc l e f t ) ,  boils beirig iestcrl u i r ~ k r  riicickcd land con- 
J~tkorrs. 'I-he (:hail compzirea lire coiiirol pr.esst3i.s i 'c ((PC; 
,,, fog. rile ir.rviirtion and 13c! l o t  the POWCT stage) ;n the I 
otirpur pressure P; of e;tclr, i t  i s  s.ti:ii ilial the inve:ltion 
i:,iil.r a i:.j~Liol 1)it:ss~rf-e r a n g  of frofii 0--100 Pl;'cm,' can 
c011ii.01 o u t r ~ t i  psessiircs o:' 0--625 N/crrr."i!hile ilic j io iY~ei 
s!age require:; o large coniro? pressure r':irlge, from 6.50- 
I , j  P7e ,,..! N/crn.t "Tlit char-t further sl-iows iEiac the invention 
i;urntrol pres\ure varies directly to fhe 5Tltpi~i p r c ~ s t ~ r e  
' . 
:::iiili !!ae ~ I Y J . : ~ .  stare csiliro! plc:;si!a~: i'i.2C:s ~izVe?~".ay, 
..l~ire~-, L I ~ O I ;  ~-1o:ier ~~i i rn ini l i ion of the clrriit, urte sees 
t i i t ! :  the ou:pill pressure 06 the jaivcr~hiciu~ is almost an 
1!1) ~ x L ~ c ? ,  sti.~ij:!ji. iifle x,vitI~ no ouipul pressure flsmciuiiiions. 
r!rii. is 1101 tiilc i l i  tiie case of t i l e  pIP6vFr .;tape zlone. 
Tilt: pi'esi;ure gain :lt I;loci:eii laad Is e.eii to iic 5.f : 1 for 
:bc invetl:ion :,i>d .96:: ini- - =  ihe q)~i?:~t:i 5 3 . i ~ :  raiorie 
([>ri?ssure g n i n = c ; u i p t  presstirc/carilr;l jr;e:,:ii;.c), 
:?., 1 is a c11:art sirriilar "bo :!-tiit of 2 \.vhich 
~ : ~ ~ ~ ~ ~ > : ? . r ~ s  [hc; ~x,~i:g~;::r;c! * $ ~ a f t ~ ~ z  :inti ! k ~  pw,J:er :;'-,> - i - r , , ~  ~ a h a c  
;it wide oilen rius: d i ; k ' ~ ~ . & i ? l p  ie I:ozI~I~;?~ ~?i'e$Sli:(; VCrSI!:: 
$ 1 0 ~  t'ali:. 'CIji: fro?, rate is ciirzciiy I;r'opc;r;iiii~~;? to yji:ssure 
a i d  %hc pii'-iUm ,q;ir; :!l wide open lin~v>v iii: seci-i io be 
30 lt!:j ~ C K  t l ;+ : ; < i f i j j ~ ~ j ~ i ~ i < i  ~ a . 1 ~ ~ 2  ; ni.i f01  ti^(^ V.Y>V~? S t n g ~  
:!!on(; gt i s  1 '4!<, !, Ag; ; i !2$  the jjigh prt*\b::rl: i2cGfi (2; f i a e  in- 
vi;rttion is evident a i l r i  LipOT! silidyiilg the f h l l i i  the bi!)aikr 
cri:rii'<>i prcsiure raiiiFc I.; scc:~ ((L-90 v!'c.;ti: 65ii 825), 
FIG. 4. si,ows the :~tiitiiicia~ of t i ~ o  ntiir c!:;r:rroi i!spuls 
:{,; , , '3" f , p .  . -,, Qc3) a n d  4C (PC*,  Q4)  io the pijot stsge 1% 
uf thc Jzvice shosvn ial FIG, i. I n  .ro,ne cs;ijii?,E s i r~~~ t l iuns  
It will tie ;ialvarilageous "ao ncllicvc nir.ririple ;rii?rz;s in 
siicla a wiry Ih;tt iiteir sigiial srrollgrh wiii bc addail lirieariy 
ns for  irist;ince lri i t ir  a cci.i~ri-narrd siprial arid n fecr:"- ,&tfb,1: 
40 , sicrrai 
;-# . 
i rxr; cun~pieies the tdescripiioi~ of the il;veritiori ;ii?il 
ii?ii!ou@ir one pbtferred, as -v;t:El e- possl?::i alif:!-;rnte 
i:nlr*~icSin;enis employing liic nrincijiie of ?he paeser?l !if- 
ver~iicrn has  beer4 shiiwn and ~ctrei~i;itit?iIy ding-afiimc*d, 
'IS ". is apparekit rii:; ;ilodificnliosi tiiay hi: ii~atlr: ttie!t:to b y  
ma: skilled in  ti^ art v~ithor:t cirjx~riiisg frcin the spit-;! 
of rile inveutio:~ as rIelirlefl in  ihc t;r;i-:nrleu ciaii~x.. 
Whzt i s  rlaiij~cd i s :  
I ,  A two-st~igi: shear ~l;odsr?atcd fluid nn;plifier conl- 
" . 
;)() pll\lng: 
a :?~%ver. stage iliet irxcYrrdes n A r ~ l d  vt-rr-tex ;rii!jrlilicr 
rrz6:ans ii:~:./!ig a :"orllrsl stapply Ilcrw, I: p0i.ii.r supply 
!ic;tv; t;~ct<i 211 t:iitpril ffcy?~, s;.i:'d ouip:il. flow ! ; r : i ; ig  &?- 
~:i:tideni iikioir k5e inieraciioir oi' ilici power sripply 
. )  , 3 aiici: control si:ppiy fiows; 
said fluid vorlex anapiifier rncwfs including: 
.-i closcd, cylinelrical shaped voricx cilarrtter; 
;I :adi;aily directctf iirpilt arl!icc for !ntv:c3d1ici[1[; 
:;:n;tl P G ~ ~ ~ J G Y .  sI:igc v)wer striq:iy fin;: ir;io s;l%d 
i:i! clim~:ibrl ; 
;i rangentiaiiy rlir.-:yiiicfit;~piri r:i;Ace inri. 1.ijr tai;;: 
' "  :,-ici t.c:-z.ir stage c:(!airrii $ \ : n > . . I + .  iiil?- (a!,) s:iici 
% . i 
; r ;  C t  1 j 4 - !lLI~;$cr . 
. " 
. , ? ~ ! * j \  . , ;; t ty~ t g , f p ' , , : j  fb>$ <.,. 
' s ~  # : < ; v f i J  t- <>.. ,:) #.) ; t f f , j l ;  . , . i ~ ; { ; y  ':f 
,;,< ;-)?:< :< L]! ' J;I[*..* :<% \ t , b i ! ; ! i % < +  
>.,;. Oii:?:"f " 
) I '  A ' * > " *  $ 
' ,  
, . . .  c.;,;>g(, cd.;:! ' c , t >  .; i c  : > j ' :  ~ <>,:!<! ,,, : c  1; ': :f:. 
' .  
! 0 ' \ t t>c5 2 fijrt*:x st:< :*< ii*t.>d;:li&!<,i i i a ~ ' : , : - ~  ~ > ~ * ' ~ t t ; &  
iiiii:i-ol ",:ipjlij f i i i i r ,  \;lit1 ?iie::i iiiorirrl,iiii:- ;ji".:rag 
E;s;l,j! cii::i:c.c:teri ii.a :it! ;rrrlc:. f i i ; i t l  ; l r i ip l f f i~r  !-.rs* i - .  :in? 
-0 [ l l : j t  thc! (>il!ptit ;I<>:'#, of ;fbc p.*v",t;r .,{:,f$ I*> 
<:flc<.t 4;<~:~llO!!"d l q y  :;it> p i l c ~ t  G,l l y '  t . c>( : f i -o )  $ l r p ~ , l y  
. -, ; .> flo1.>; 
< ,  < -."..>.. h , , - - > . - . * w  
>I'i.*.li.%> j ' i \ L E ? d  i,.v 
d ., 1 .j 1.--.8 i ,s M:iniiir: .
Jones 13?--Ui.5 
Hotroo _. ,,.... . i27-81.5 
O~sap . .. --  ... 13'7--81.5 
!'co<>~!Ic t-:t 211, . . f 3'7-.81."5 
. ( " ~  - ,. 
, ct:.it.:; ..........u.-.... 137--- 81,5 


Shear modulated fluid amplifier Patent

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