Idraulica 1 - esercizio

× !" #

α! γ!

!" !" # !" "$ %& " '(

) *

+ * ,

ρ η

= =

α/ η α! α!

- ! ( ( !" 0# 1 ! ( !" # ! - / ( " #

. . . .

α(

) 2*2!γ 3 / ! 45& '

, . / ! / ! / !

" 0#/" " !" 0& 6 / !" # /" !" #

7 , 282!2*2 9 * ! :

!" 0& :" 4!" & 282! 4 & '

; * 9 * 9

ρ η

, = =

α/ η α! α!

- ! ( !" 0# 1 !" ! - / " #

. . . .

α π

) 2*2!γ 3 / ! 0 # 5 ' , .

π 4

/ ! / ! / ! " 0#/" " 4!" 054 6 / !" /" !"

4π 4

7 , 282!2*2 9 * ! :

!" 054:" 4! " 54 282! 5 4 ' 3

) *

+ * ,

* <

: = >

= = =

γη γ %0 ?

= = + =

γη γ α 44 4 # ?

3

: 7 7 <

= + = +

2 2 2 2

γη γ %4 '

= = = =

γ α & % '

= − = =

3 ( (

2*2!45& '

; 3

<

! ( !" # 6 ! ( !" 4

=

: ;, <

2*2 ! 2*2 / 2*2

* = =

!32*2 / 2*2 ( 32*2 / 2*2 ! 3 %4 " #/ & % " 4 ( 45& !

* = = =

! 4 & ' (45& '! " & α!"

, - 1 , * 9 - ! / ( 0&

* *

7 9 282!2*2 3 *2 / 2*2 9 *

* = = *

282! 4 & ' 3

) @

@ 3

ρ ρ

) < !" # !" # !" 5# !&"" A ( ! """ A (

"

θ!4#$

4

! " '( 3

55 '

<

! ! """" ?

! ! """" ?

! /ρ ! % 4 ?

) "

! /ρ ! /ρ /ρ ! & # ?

@ ) "

B, C <

2*2!+ /+ /+ /+ /+ ! 55 '

4 #

θ

( ;!5"54 '

+ ! θ

( ;!5"54 '

+ ! θ θ

3ρ ( ;( !ρ ( ;( ! && '

+ ! " "

3 /ρ ;! "44 '

+ ! "

4 3ρ ( ;!ρ ( ;! 5#% '

+ !

#

7 @

θ θ!

/3 ( / ( #%

! θ θ

/ (3 !" &&

! θ θ

/ (3 ! " 50

! ( ! " 5#

!

4 ( !" #

!

#

7 ! C

282! + /+ /+ /+ / + ! #0 / 0 #

4 4 # #

/ "0 / % 0/0%" ! 55 '