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C ey aee oeaeo copoc oco o aae caopa =.

Cyeo o opy ee = = (5.4.2).

=1 =Bo ey, oe aca:

=1.

Ta opao, oyae =, (5.4.3) =e - oe poopoaoc.

pa ee ecoc yaeo o paoe aepe aapaa acoc o aco ye p pax, pecae a pc. 5.4.7.

Aapy pe, oo cea o, o a acoax, a oopx o ypae (3.2.6) oa opaca aya yaeo o, ecoc yaeo o opacae caa, a eoopx cyax ae peae oceyy. Bo e pe, p oo acoe pae poopa a epoeoo ooea eeppyeoe aee oe opaca. Ec cea opay a aee, coaaeoe epoeo co, o o, o a yaax acoax ecoc ayceco o e.

I f, PC. 5.4.7. PA MEHEH HTEHCBHOCT AEMO BOH BPAOE AMEPE PAB ABCMOCT OT ACTOT EH:

1 - = 2 - = - = 5.4.2. CCEOBAHE BH TEXHOOECX OEMOB HA ACTECOE OE cooae e peoaca - o aoee pocx ocyx eoo yee eoc aycecx yaee cooa ep aycecoo o. pe, oo e ao papaaa ooee exooece ycpoca, a oo cooa ye eec exooece oe, coacoa cocee aco oea ooepo, yepo pexepo pocpace c acoo yae.

B cpaeoc oo oo yec a ocaoo poco oe [41]. ypayoo a B c eepaopo 2-0,1 paoa acoa ye ypaya cocae 1 6 . Paccae paep apaeeea, eeo peoacy acoy = 1 6 , o opye = + +, (5.4.1) e - a, pa coa apaeeea, ; - ee ca; =1 copoc ya o, /c.

a, pa coa cooeceo coca 0,7 , 0,7 0,68 . Oyc B apaeee c pacca paepa, opa oe ypayoo a. eeppoae oea ocyecec yp apaeeea cpyec a aaaope cepa C5-3 p oo pooa X-610. p ee oceoaeo , p co apaeeea, ypoe ocpaeoo caa caec cpee a 20 %.

Aaoe cceoa poee aopa pao [42]. oaao, o cep ye ae o aaooo ypa peco peoaope ac o ae coceo aco peoaopa.

yaee a PA paoa aepa, oopy eeppyc oea, ee poyooo opa. Cocee aco aoo oea axoc o opye (3.2.19) = +, e = 1 = 1 = 1 - coa paoe aep, ; - op ypae - = ;

= + ;

- y ecce Heaa opa.

= = 1 =1, epoe aee coceo aco paoe aep opeeec a 1 = +, + e = + - ep ooe ope, p = +.

1 cepeao poep peoacoo pea cpoepoa PA opyoo a c payco paoe aep = , payco poopa = , coo aep = , o aaa caopa = aopo ey poopo caopo = . co poyox aao poope caope =, pa aao = , coa = . Poop c ec oaa po o paee aee ocooo oa c yoo copoc =1 - 1 c-1. Ocoa acoa eeppyex yco eaa aaoe =1 - .

= opee e cocee aco aep a = +, e - op ypae - = 1 1 = + + = = + + =16 coy a ope eoopx pae, coepax y ecce Heaa [43], axo n- ooe ope opeee =.

He cocee aco paoe aep coca p:

=1 2520; 3177 .

poo aaa ap ycaaa apo aaa caopa ep o epa ypoe yca ae. Ha pc. 5.4.8 pecae pa acoc epaoo ypo yca ae o ocoo aco yca ae a acoax, yoeopeo coaax c coce acoa paoe aep aapaa.

f, Pc. 5.4.8. pa acoc epaoo ypo yca ae o ocoo aco yca CCO TEPATP ABE 1. Maapo . O. Aycece epe poeccax ypayoo exoo. M.:

Maocpoee, 1983. 56 c.

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28. 6. C. 581 - 590.

4. oxue . . Ayca eoopoo yec cpe. M.: Haya, 1981.

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oco. M.: Bc. ., 1988. 239 c.

6. oo B.. Cpao o aopa popaa a e ec epcoax BM. M.: Haya, 1989. 240 c.

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8. omeuo P. . Aa peyao ae. M.: epoaoa, 1986. 144 c.

9. pacocu. ., uapemo. . apoae cepea. Mc: -o , 1982. 302 c.

10. Oeu B. C. pay o aoapoaoy epopoy. M.: ooc, 1978. 224 c.

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opeaopca, A.. Mopoo, A. . Haapeo, B.. ecao // Hoe . eo eca exo. poecco: C. ay. p. M., 1977. C. 93 - 95.

13. aao A. M., ae B. . Poope aapa c oye ooa x peee poeoc. M.: Hepa, 1992. 176 c.

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18. Auymopu E. . Hoe eo eoepeae / ep. c a. o pe. A.

. eoea. M.: Mp, 1977. 230 c.

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20. Neppiras E. A. Acoustic cavitation // Phys. Repts. 1980. V. 61. 3. P. 159 - 251.

21. opme A. B., Maapo B. . eaopaece cceoa ypayo aa // Ayca ypayoa exa. .: Texa, 1968. C. 3 - 14.

22. Lauterborn W. Cavitation: general and basic aspect // In: Symp. on finite - amplitude wave effects in fluids. Copengagen, 1973, Proc., 1974. P. 195 - 202.

23. Ke Jian, Yamaguchi Atsushi. Cavitation characteristics of long orifices in unsteady flows // J. Jap. Hydraul. and Pneum. Soc., 1995. V. 26. 1. P. 82 - 87.

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30. ocmamuo . M. paa. .: Ba ., 1988. 398 c.

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32. Poeep . . aaoa oac. B .: Moe ypayoe o / o pe. . . Poeepa. M.: Haya, 1968. . 5. C. 221 33. uu A. . paa exaa pepcx ee. M.: oa, 1997. c.

34. Cupom M.. cepeae cceoa ypayoo aa.

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Bepao, M. A. Mapyc, C. B. e p. // yp. . x. 1990. T. 64. 12. C. - 3361.

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280 c.

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Caa. M.: Haya, 1978. 832 c.

6. CEPMEHTAHE CCEOBAH XMO-TEXHOOECX POECCOB B CAOHHOM AAPATE POTOPHOO TA 6.1. CCEOBAHE POECCA MPOBAH B CAOHHOM AAPATE POTOPHOO TA Moe ypoa, ocaa apapae 4.2, aece ocox aopo oec a eepoey y cpey ee poaycec aop, oop coep cee e ocox cocae: apoycaoy - yca ae copoc ooa oc aae caopa; poycaoy - yca aaox ypo x cxoae c opaoae yyx cpye. e cocae pee acaa yca eop oao-opoo ypyeoc, aa co co aca oeo.

cepeaoe cceoae poecca ypoa ocyecoc a cepeao cee, ocao apapae 5.1. B aece oeo - ceppyeo oc o pao aco M-10 c oc = 6 1 p = ; aece cepcoo cpe - oopooa oa. o co xapaepca o aco paec e oaec o oo peex ycoo pooe caoo-oxaax oce.

Haoee pacpocpae c yc a "aco-oa" c oepae o 1 o 20 % aca. B aopaopx ycox yoca pao oe apaepo oyaeo yc, oepa aca a paa pao 2,5 %.

Meoa poee poecca ypoa oe aeca oyaeo yc aaac ceye. Boopooy oy aco aao coooe peapeo cea ae c xoxoo pao eao coa pyocepco yc. ae cec oepa opaoe APT a PA.

yc pypoaa o ayoy oypy epoo aa PA opao. epe opeeee poey pee opac po oyeo yc. Haaa eepaypa yc o cex oax cocaa 1 .

x po a yc aoc a peee cea ae oopapoa c oo ooecoo pocoa M-30 c ooacao. Aa cepcoc yc ocyec c oo oe - poepa OM eoo poepoa oyeoo eaoo opae a pa epe aepa ac aca. oye ocoepx ax ao poe oeac aep 800 1000 ac.

o oye a ao po cocac copa pacpeee ac aca oe o pa, opeec ao pacpeee (pc. 6.1.1).

B aece e, xapaepyx cepcoc oyeo yc, cooa:

a) cpeeapeec aep ac aca oe = (6.1.1), -1 =e - aep i-o ac poe, ; - co ac o pa co cpe aepo ;

) cpeecoo aep ac = ; (6.1.2) =1 =) cpeeecoo aep ac [9] = ; (6.1.3) =1 = Oopooc yc opee o oey ocepcoc, oop oeceo xapaepyec ooee cpeecooo aepa cpeeecooy:

=. (6.1.4) ocepcx cce cea ee e, oocepcx - pae ee.

Ha pc. 6.1.2 oaa pa cpeeapeecoo aepa ac yc, oyeo PA (pa 1) p oopao opaoe acoc o eo copoc epepa aao caopa. pa 2 a pc. 6.1.2 oyea eopeec p ex e exooecx apaepax coaco opye (4.2.11):

- =, (6.1.5) e - pec oe.

ax cceoa pece oe p pa = = = 1, =1 c opeoc e oee 15 %. Ha pc. 6.1.2 ocpoe oapece pe l, oaae, o ecoc ypoa o eopeec pacea oe, e o cepea cceoa, cece oo, o eopeeca oe e yae poecc oaece, poea oopeeo c poecco ypoa. p eo copoc epepa aao caopa >/c, pec oe kc caoc oco o ee e ac o.

= 6 = = = 16 = = = 61 = % poa 1 6 1 11 1 d, = 6 = = = = = = 1 = % poa 1 6 1 11 d, Pc. 6.1.1. copa pacpeee ac aca oe o pa % poa 1 6 d, % poa 1 6 d, pooee pc. 6.1.d d R Rp, /c Pc. 6.1.2. pa cepeao (1) eopeeco (2) acoc cpeeapeecoo aepa ac o copoc epep aao caopa p = 1 = o oaae, o p ecoo yoo copoc ocooe e a poecc ypoa oaae yeee poaecoo oec a ce ppae epoeoo ae, o p >16 /c ppaee epoeoo ae pepaaec a ce pocaa oc ooceo poopa.

a apaepa, a pe pao PA, oocc yoa copoc poopa , cooeceo, acoa eeppyeo ayceco o.

poee cepe o e aco ocox oea = a cepcoc oyaeo yc o eoe, ocao e. epy poy yc opa epe 10 c, opy - epe 30 c, pe - epe 60 c eepy epe 180 c. Bpe ooo a poxoe yc o ayoy oypy ycao cocao 20 c. Ta opao, p oope epo po yc poxoa epe aapa oo o pa. Ha pc. 6.1.3 oaapa acoce cpeeapeecoo aepa ac oea ocepcoc o ocoo aco oea p epexpao opaoe.

dcp, 3,0 0,0,2,7 0,0,0,2,2,2,2 f, Pc. 6.1.3. pa acoc cpeeapeecoo aepa ac oea ocepcoc yc o ocoo aco oea a o pcyo, pa o acoc ee ecoo cpeyo. cex po o epe yee yoo copoc poopa cpeeapeec aep ac yc ee ee yee. Macy y po pacoaac pepo ox ex e ecax. My po aac a acoax 280, 560, 1000 . Ocoeo aee y a = 6 . pa ee oea ocepcoc a yaax acoax, a pao, ee acy.

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