Problemas Propuestos 03 MECANICA DE FLUIDOS 2021-II

 

PREBIALKX PREPQAXVEX O° 08

AIKXVNHNFKF LAHËONHK FA JIQNFEX

 

  AIKXVNHNFKF  ‘  LAHËONHK  LAHËONHK FA JIQNFEX

;.  Qok bkrrk oerlkinzkfk fa ;8.4 ll fa fnëlatre y ;00 ll fa fnstkohnk aotra puotes, as selatnfk k uo aoskye fa trkhhnøo, axparnlaotkofe, ao uo fatarlnokfe nostkota, uo nohralaote fa ieomntuf fa 8x;0 -8 ll. Xn ai løfuie fa ^euom fai lktarnki as 2;,1 x ;0 1 Cmj/hl2, fatarlnoa7 k) 

Ai kikrmklnaote uontkrne.

b) 

Ik taosnøo uontkrnk ao CO/l2.

h) 

Ik juarzk khtukota ao fnhde nostkota ao O.

2.  Xa huaimk uok vnmk fa 2000 cm fa fes hkbias fa ik lnslk sahhnøo, uoe fa kiulnone y etre fa khare. Ki suspaofarik, klbes hkbias sa astnrko ie lnsle. Hkihuikr ik taosnøo qua sepertk hkfk uoe. Løfuies fa ^euom7 ^khare < 20x;0;0 O/l2, ^kiulnone < =x;0;0 O/l2 

8.  Qok bkrrk delemîoak, fa lksk

l < ;00

cm, astë suspaofnfk fa tras

kiklbras vartnhkias fa ik lnslk ieomntuf sntukfes snlîtrnhklaota. Fatarlnokr ik taosnøo fa ies kiklbras, sn ai kiklbra fai lafne as fa khare y ies etres fes seo fa hebra. Ai ërak fa ik sahhnøo trkosvarski fa tefes ies kiklbras as nmuki. Ai løfuie fa ^euom fai khare as fes vahas lkyer qua ai fai hebra.

 

 

6.  Qo tube snlpia ao jerlk fa

Q

qua tnaoa kbnarte ies fes axtrales sa iiaok

pkrhnkilaota heo kmuk. Ao astks heofnhneoas sa kmramk, per uoe fa ies brkzes fai tube, kihedei atìinhe ( < 0.40:x ;0 ;08  cm/l8), jerlkofe uok heiulok fa : hl fa kiturk, hele sa luastrk ao ai fnkmrklk. µHuëi as ik fnjaraohnk d aotra iks kiturks fa ik suparjnh suparjnhna na fa ies fes iìqunfes5

1.  Hkihuikr ik fnjaraohnk fa prasnøo aotra ies puotes K y B fai lkoølatre fnjaraohnki fnjaraoh nki fa ik jnmurk, sn  < 410 cm/l8 fai khanta.

 

 

:.  Qok asjark duahk fa piëstnhe sa lkotnaoa per fabkge fa ik suparjnhna fa uo ikme fa kmuk fuiha lafnkota uok huarfk kohikfk ki jeofe fai ikme. Ik asjark tnaoa uo veiulao fa 0.:10 l 8 y ik taosnøo ao ik huarfk as fa >00 O.

k )

Hkihuia ik juarzk fa jietkhnøo qua agarha ai kmuk sebra ik asjark.

b )

µHuëi as ik lksk fa ik asjark5 h ) Ik huarfk sa relpa y ik asjark sa aiavk k ik suparjnhna. Hukofe ik asjark iiamk ki rapese, µquî jrkhhnøo fa su veiulao astkrë sularmnfk5 =.  Ao ik jnmurk sa luastrk uo rahnpnaota qua heotnaoa tras iìqunfes nolnshnbias. Fatarlnok ik prasnøo dnfrestëtnhk qua sepertk ai jeofe fai rahnpnaota skbnaofe qua iks faosnfkfas fai kmuk, fai khanta y fai larhurne seo, raspahtnvklaota, ; m/hl8, 0.4 m/hl8 y ;8.: m/hl8.

 

 

4.  Xa tnaoa uo tube ao Q pkrhnkilaota iiaoe heo uo iìqunfe fa faosnfkf ϋ. Per uok fa sus rklks sa kûkfa khanta fa faosnfkf 400 cm/l 8 dkstk uok kiturk fa ;2 hl. Hukofe ai snstalk sa aquninbrk, ik notarjksa knra/khanta astë k : hl sebra ik notarjksa iìqunfe/knra. Hkihuik ϋ. >.  Ai tube ao jerlk fa Q lestrkfe ao ik jnmurk heotnaoa tras iìqunfes nolnshnbias K, B y H. Xn iks faosnfkfas fa K y H seo 100 y 800 cm/l 8  raspahtnvklaota, raspah tnvklaota, hkihuikr ik f faosnfkf aosnfkf fai iìqunfe B.

;0. µ[uî tnalpe alpiakrë uo huarpe fa lksk 400 cm y faosnfkf 400 cm/l 8  pkrk iiamkr k ik suparjnhna fai kmuk sn sa fagk ao inbartkf ao ai puote K fa ik jnmurk5

;;. Ai bkrølatre qua sa luastrk ao ik jnmurk heotnaoa larhurne (ϋ. Dky kmuk dkstk uok kiturk

D

ao uo tkoqua kbnarte mrkofa heo pkrafas

vartnhkias. Xa parjerk uo kmugare ao uok pkraf k uok prejuofnfkf ik suparjnhna fai kmuk.

k )

pnse ai hderre qua skia5

µK quî fnstkohnk b )

R

d

bkge

fai pna fa ik pkraf tehkrë ai

µK quî fnstkohnk sebra ik bksa fai tkoqua

fabarìk dkharsa uo samuofe kmugare fa lkoark qua ai hderre qua skimk per îi taomk ai lnsle kihkoha qua ai qua skia per ai prnlare5

20. Qo tube fa Zaoturn sa puafa uskr hele uo lafnfer fai jiuge fa uo jiunfe. Xn ik fnjaraohnk fa prasnøo as

 P    P 2 ; 



  2;000 Pk. Aohuaotra ik

rkzøo fa jiuge fai jiunfe ao l 8/s. Ai rkfne ao ik skinfk fai tube as fa ; hl y ai rkfne ao ai tube fa aotrkfk as fa 2 hl, y ai jiunfe as mkseinok (   



:4:0

O/l8)