Secondo esercizio Fluidodinamica

ESERCIZI

2 O

20/11/2020 2I

↓ =

8x10Kg/ms BU

U

23 kg/m3

& M 1

1 :

=

: .

.

L1 b

L2 442m 342m

0

m

01 0

:

2

= = ,

, .

SA 00192

= 0 m

, ML2/pUB UB

(2) m/s

8B 7736

>

-

664 0

=

0

= ,

,

/

(2) (1)

(b 57219

U

B + 0

=

= . (2) b/2]

=((b

DUB3 L2

D :

664 +

2 .

0 .

: , mN

479

1

= , fb + 2 3/2 mN

PuB3

(3) yd4

Mo 12 , 464

2

664 = 1

0

= , ,

26/03/2022 15

1 : 20kg/m

Kg/m3

&

57 8

5N/m

K 23 M 1

1 =

: .

: ,

,

,

U m/0 L1

LAMINARE

REGIME 43

5

2 0 m

:

: , ,

b

L2 05 165

1

: m

m 0

= ,

, /MU/x

664// dxdy

11) D 0 =

= , + 2jb-

52

OmU3

664 dx dy

0

- =

. [/1/278 :

[4]

PmU3

664

0

= . PMU3 mN

L2

b 55

16

2

664 =

.

0

= .

. 66465 yau3/x

S22M yoxdy

0 :...

= , [x/21278 [42] ver

PmU3 020776

664 0

0 :

: , .

KA(L1H2) KAB - A

M 1737mm

= -0

=

= - - ,

*

SB MX/PUB

137 69m

72 1

1 =

= ,

, ↳ b 16

1

26/06/2022 :

20 Kglans

Kg/m U BU

8

& 1

23 =

M

1 .

=

= ,

, (2 14 2075m

L3

23 m

L1 33m 83m 0

0 0

0

: = =

= , .

. .

° 8B

REGIME LAMINARE 0013m

X-60 0

= ,

-24 UB 7922m/o

(1L8B Mx/PUB -

664 0

=

= 0 ,

,

SB Ux/DVB 5

5 739m

=

= ,

: UB/(2423

/

B

127 68293

4 = = 0 .

L2 L3

L2

33 B + 26

x 1

= =

= 0 = ,

,

664/) +mu3/x dxdy

D 0 :

= . /By3/25" "

DuB3 Axdy 8911mN

864

0

= 0

=

, ,

3)

< By 312(ksimatAdy

L4

3

M MB

664 :

2

0

: .

,

9396 Nm

0 m

= , 109/2021 I

17 15

: du

20Kg/ms

Kg/m3 U

23

x 8

1 :

1

=

M

= .

, , h

L H 75m 6

3 5

1 2m =

= m

= , . .

10-3

SB *

b 85 5

me

0

= m

= .

,

(xxh ntH

b 25

5

6 10

=

=

= :

. .

ML/PUB

* 905m/s

UB

SB -

11L 72 1

1 =

= ,

,

4

(2) 045089

U < 2

-

= 0

= ,

7/h

/4 4h

-

x x 4

=

= .

guux

066455 Axa

D = -

mN

85

24

= , PrU3/x

66455

DR dxdy

0 =

= , +5 axdy

13 m

pu 145

664 2

0 =

= . .

D DT DR 170 neN

2

+ =

= . Jun7(bxy)d4-

24h

Perx

(3) MT 864

0

= . 53

253 N ne

m 784"

= , (b +du

xnx32

664

MR + =

0

= ,

2397 6 N

m

= ne

,

MT

M MR 1551 1 No

+ = m

= ,

18/12/2021 I 5

= =

10Kg/ms

Kg/m3 L

9 25

8

23 1

1 M 2 :

: .

= , ,

, 203

*:

SB

b

# 5 m

h 5

7

75 5 m m

4 m : 0

=

= .

,

, .

* 1647m/s

MX/PUB

SB U

1) >

-

72 2

1 =

= ,

, Puu3/x

664/5

(2) dxdy

DR 0

= :

, 1

Jox mN

266 9

dy

664 pmu3 ax

0

: =

, .

(L/H)

/ L/H Y

x x

-

4 =

= Puv3/x

664/5

DT dxdy

= 0 :

, &"n Jody

. x-2 mN

46

70

dx

U3

yu

864

0 =

= ,

, O

D

DR

=

D 237 4 mN

+ += . /r

PMUB /Hth b-y)dxdy

132 MR +

664

0 :

= 18 x th(Hth

. 776 mNm

b-4)

664 + dy

pmu3

0 =

= . PMU/x

664/5

MT dxdy

0 :

= , 54 Jo

-

4 b-1)

(H

. h

dx

Pub dy

664 +

+

X

0 =

= o

,

725 7 mN

= m

,

M MR Nm

MT 7

1501

+ m

= = ,

18/02/2022 15

1 :

Kg/m3 10Kg/ms BY

U

=

3 23 8

=

M 1

1 =

.

,

,

L2 L2 h

83m

55m 33

0 m

= 0

: 0 =

. .

. 20

*:

SA

b 23 6

2

m

0 m

= .

,

. MX/9UA 1134m/s

SA WA

(27 -

72 2

1 =

= ,

,

(a) UA/4

B VA/L2 8425

3

:

= = ,

(n/2274

h/L3

/y -

x x

= =

Pav3/x

664/)

DT dxdy

= 0 :

,

664/) xmBy/ dy

dx

0

= =

. ymB3 f 4 43/x Axdy N

0225

2

664 =

= 0 ,

. puU3/x

664/5

DR dxdy-

0

= . .

, +

juß3 43/x N

dxdy

664 765

21

.... 0 = ,

. 24/12/

PuB3 Cb y)

13) dy

MT 064 +

0

= :

,

1 mN

299 m f223/2/b

= , 4) de

h

DuB3

MR 064 2 + =

0

= .

903

27 mNu