Курбатов Ю.Л., Шелудченко В.И., Кравцов В.В. Механика жидкости и газа: Учебное пособие

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a6co-

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10

1300

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d

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K03<!><!>HlJ,HeHT,

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10

5

.

A·

Qo

. L

, 5

d

(4)

113

(4) onpe,l(emleM

paCLJeTHhIH

,l(HaMeTp

ra30npOBO,l(a:

1,318.10

5

. A .

Qo

2

.

L

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M.

PH

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(5)

PaCLJeT

ra30npOBO,l(a

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B

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[28]:

7

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o

6i

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M

3

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no

[28]

npHHHMaeM

K

o

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no

[28]

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.l1:JIH

3a,l(aHHhIX

HCXO,l(HhIX

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7

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3

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i=1

PaCLJeTHhIM

paCXO,l(

Q

o

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1932M3

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7

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750+600+500+850+850+900=5350M.

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K03<pqmQHeHT

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10

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2

.

PaCLJeTHhlM

.,QHaMeTP

onpe.,QeJ1HeM

no

(5):

5 2

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1,318·10 ·0,022·0,537 ·5350

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24.10

10

212

DJImKailInaH

60JIhIllaH

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CKOPOCTh

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F

To

P

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1192

700000

4 '

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6,98·0,119

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v 14,3.10-

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Pa:mHlJ,a

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2

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5

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19

8.10

10

Oa

2

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5

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539,2 I(Oa.

1i36

1I36hITO'lHOe

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H36

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400 '

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3

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Pa3HHIJ,a

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5

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0,894

5

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10

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2

0,119

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B

Y3JIe

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PI

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2

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10

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1-2.

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600

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3

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= 2800M

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3

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2

A =

pf

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5

·0,022·

750

0,778

5,48.10

10

TIa

2

0,119

5

P2

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~(6,312

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586200

TIa

>

500

Klla .

YqaCTOK

2-3.

)J,JIHHa

YlJaCTKa

L3=600

M,

Q2=

600

M3/

lJ

Qo =

Q2-3

=

Q'-2

- 0,7Q2 =

2800-

0,7·600

= 2380

M3

1'1

= 0,

661M

3

Ie

A =

p~

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=

3,2.10

10

TIa

Z

P3

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~~,86Z

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10

=

558224

TIa

>

500

KTIa.

YqaCTOK

3-4.

)J,JIHHa

yqaCTKa L4=500

M,

Q3=

600

M

3

/q,

Qo

=

Q3-4

=

QZ-3

- 0,7Q3 = 1960

M3

I

LJ

= 0,544M

3

Ie,

A =

p~

-p~

= 1,84.10

10

Da

2

,

P4

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~(5,58Z

-1,84

).1010 = 541453

TIa

>

500

KTIa

.

YqaCTOK

4-5.

)J,JIMHa

YlJaCTKa

L5=800

M,

Q4=

700

M

3

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Qo =

Q4-5

=

Q3-4

- 0,7Q4 = 1470

M3

1'1

= 0,408M

3

Ie,

A=p~-p~

=1.72·10'0

na

Z

,

P5

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~~,412

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TIa

> 500

ilia.

YqaCTOK

5-6.

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yqaCTKa L6=850

M,

05=

700

M

3

/q,

Qo =

Q5-6

=

Q4-5

-

O.

7Q5 =

980

M3

I q = 0,272M

3

I C ,

214

A =

p~

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=0.86·/010

TIa

2

,

P6

=

~(5,252

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).1010 = 517063

na

> 500 Kna .

YqaCTOK

6-7.

):(mma yqaCTKa

L7=900

M,

Q6=

700

M

3

/'1,

Q7=

700

M

3

/Q,

Qo

=Q6-7

=Q5-6

-0,7Q6

=980-0,7·700=490M

3

/Q

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3

/c,

I1JIM

Q

o

=0,7'Q7

=0,7·700=490M

3

Iq=0,136M

3

Ie,

A =

p~

-

p;

=

0.26.10

10

TIa

2

,

P7

=~~,172

-0,26).10

10

=514557TIa<500KTIa.

TaKHM o6pa30M,

H36b1TOqHOC

~aBJICHHC

B

nOCJlC,L{HCM

Y3J1C

P7

36

=

414,6

KTIa

OTKJIOHCHHC

OT

3a,L{aHHjJ

p/136

_p~a.il

.100=1414,6-4001.100=365%<

10%)

p~a.il

400

' .

3)

OnpCllCJlCHHC

llHaMCIpOB ra30npOBOllOB

OTBCTBJlCHHH.

YqaCTOK

1-8

£1

=400M;

Ql=600

M

3

/q.

):(aBJICHHC

B

Y3JIC

N21

no

npC~BapHTcJlbHOMy

paCqeTY

PH=Pl=63I ,27

KTIa(a6c);

PK=400 KTIa(a6c)

(no

3a,L{aHHlo)

TIpHHHMacM B ncpBoM

npH6JIH)I{CHHH

1..=0,03.

PaCqeTHbIH

pacxo,L{

Qo

=0,7Qj

=0,7·600=420M

3

/Q=0,1167M

3

/c.

):(HaMcTp

ra30npoBo~a

onpC~CJIjJCM

no

(5):

5

d

l

=5

1

,318.10 ·0,1167·400

=0045M

(6,31

2

_

4,0

2

).1010 '

npHHHMacM 6JIH)I{aHwyIO

cTaH~apTHyIO

TPy6y

57x3

C

BHyTpCHHHM

,L{HaMCTpoM

d

l

=51

MM

= 0,051 M

CKOPOCTb

ra3a npH

):(..Y.

w = Q

o

.

Po

= 0,1167 101300

13,1

M3

Ie

1td

2

p

~00512

631000

-4-

4 '

215

w . d

13,1

·0,051

4HCJ10

PeHHOJ1b)1,Ca

Re

=

--

= 6 = 46723

v

14,3

·10-

.

K03<1>qJHl.lHeHT

TPeHH~

A=O

11(~+~)0'25

=0

11(0,0001

+~)0'25

=0266

, d

Re

'

0,051

46723 '

A

-

2 2

Pa3HHl.la

-

PH.a6c

-PK.a6c

no (4):

2

A = 1,318.10

5

·0,266·400 0,1167 = 11,3.10

10

na

2

0,051

5

A6comoTHoe

)1,aBJ1eHHe

B

KOHl.le

nepBoro

OTBeTBJ1eHH~

p~6c

=

~

p~

_ A =

~(6,312

-11,3 ).10

10

= 534433

fia

= 534,4 Kfia > 400 Kfia =

p~a~

YqaCTOK

2-9

I!

2 = 300M; Q2=600

M3jq.

PIl=P2=586,2 Klla;

PK2=400

Klla;

A=O,03.

PaCqeTHbIH

pacxo)1,

Qo = 0,7Q2 = 0,7·600 =

420M

3

/q = 0,1167

M3

Ie

.

.l1.HaMeTP

ra30npOBO)1,a

onpe)1,eJ1~eM

no (5): d

2

=

0.0437M

.

fipHHHMaeM

Tpy6y 57x3 C

BHyTpeHHHM

)1,HaMeTpoM

d

2

= 0,051

M.

CKopocTbra3anpH.l1..<l>.Y. w=14,2M/e, Re=50318.

(

K

68

)0,25

K03<1>Hl.lHeHT

TpeHH~

A =

0,11

-:-

+

Re

= 0,264 .

Pa3HHl.la

A =

P~.a6c

-

P~.a6c

no (4): A = 8.4.10

10

lla

2

.

A6comoTHoe

)1,aBJ1eHHe

PK2

=

509.5

Kfia>

400

Kna .

YqaCTOK

3-10

e 2 =

200

M;

Q3=600 M

3

/q.

PIl=P3=558,2 Kna;

PK3=400

Kna; ),,=0,03.

PaCqeTHbIH

pacxo)1,

Qo

=

0,7

·Q3

=420M

3

Iq

=0,1167M

3

Ie,

d

2

=0,042M.

llpHHHMaeM

TPy6y 57x3 C

BHyTpeHHHM

)1,HaMeTpoM

d

2

=

0,051

M.

CKOPOCTb

ra3a npH

.l1..<l>.Y.

w=14.8M/c, Re=52842.

216

(

Kl

68

)0,25

K03<p<pHl~MeHT

1'peHMH

A = 0,11 d + Re = 0,0263

Pa3HM~a

A =

P~.a6c

-

P~.a6c

no (4): A = 5,6,10

10

ila

2.

A6coJIlOTHOe

,lJ,aBJIeHMe

PK3

=

505,8

Kila > 400 Kila .

YqaCTOK

4-11

£4

:;::

300

M;

Q4=700 M

3

/q.

PH=p4=541,4

Kila;

PK4=400

Kila;

A=0,03.

PaCqeTHblH

pacxo,lJ,

Qo

= 0,7'

Q3

= 490

M3

I I.( =

0,136M

3

I C

d

2

=0,042M

TIpMHMMaeM

Tpy6y 57x3 C

BHyTpeHHMM

,lJ,MaMeTpoM

d

2

=

0,051

M

CKopocTbra3anpM,n:.cD.Y, w=12,IM/c,

Re==43145

(

K3

68

)0,25

K03<p<pM~MeHT

TpeHMH

A =

0,

11

d + Re =

0,0260

.

Pa3HU~a

A =

P~.a6c

-

P;.a6c

no (4): A = 5.7 .10

10

TIa

2

.

A6coJIloTHoe

,lJ,asneHue

PK4

=

504,6

ilia>

400 Kila .

YqaCTOK

5-12

£ 5 =

300

M;

Qs=700 M

3

/q.

PH=Ps=525,3

KTIa;

PK5==400

KTIa;

A=0,03.

Qo

=0,7·Q3 =

490

M3

Iq=0,136M

3

Ic,

d

2

==0,047M,

TIpMHuMaeM

Tpy6y 57x3,

d

2

= 0,051M; W = 12,9 M/c, Re=45848:

A =

O,ll(~

+

~

)0,25

= 0,0267

d Re '

A = 7,54.10

10

TIa

2

;

PK5

= 447,8 Kfla > 400 Kila .

YqaCTOK

6-13

e 6 =

300

M;

Q6=700 M

3

/q.

PII=P6=517,1

KTIa;

PK6=400

KTIa;

A=0,03.

Qo

=

0,7

·Q3

=490

M3

II.(

=

0,136M

3

Ic,

d

2

=O,045M.

ilpHHHMacM

Tpy6y 57x3

217

d

2

=

0,051

M;

W =

13,1

M/e

,

(K'

68)"'''

Re=46575:

A=O,II

d+

Re

=0,0267,

.

A =5,65.10

10

na

2

:

P

K6

=459,3 Kna > 400Kna.

YqaCTOK

7-14

f 7 = 300

M;

Q7=700

M3/

4

.

P

II

=P7='514,6

KfIa; P

K7

=400 Kna A=0,03.

3 3

Qo

=0.7·Q3 =490M

Iq=0,J36M

Ie,

d

2

=

0,048M.

I1puHuMaeM

TPy6y 57x3,

d

2

=

0,051

M;

W =

13,IM

I

c,

Re=46800:

A.~O.I{K'

+~r"

~O.O265

d

Re

'

A=7,52·1O

IO

I1a

2

: P

K

7=435,4

Klla>400KTIa.

Pe3YJIbTaTbI

paCqeTOB

CBe.ll:eHbI

B

Ta6JI.2.

,[{aBJIeHWI

B

Y3JIaX

KOJIbl~a

HaHeceHbI

Ha

cxeMY

puc. I

Ta6J1H~a

2 -

Pe3YJlbTaTbI

rH,l.{paBJlHqeCKoro paCqeTa aBapHHHoro

peiKHMa.

Pacxo,l.{

A6c .

.ll:aBJIeHUe,

PIl

2

-PK

2

M

3

/q

1.1

f

N!!

,[(JI

,[(uaMeTp

KI1a

I10Tepu

lo6lla~

Yqa

MaKCU

UHa

pac-

.ll:aBJIe-

MM

MaJIb-

qeT-

Ha-

KOHeq

HWI,

KI1a

CTKa

M

HbIM

qaJIb

HOC

1 2 3

4

5 6

7 8 9

0-1

950

1 27x41

19

4600 3220

700

631,3 68,7

87,6

1-2

750

-1'-

4000 2800 631,3

586,2

45,0

66,5

2-3 600

-11-

3400 2380

586,2 558,2

28

48,5

1 2

3 4 5

6 7 8

9

3-4

500

-11-

2800

1960

558,2

541,4 16,8

33,5

4-5

800

~,,~

2100

1470

541,4 525,3

16,1

19,5

5-6

850

-1'-

1400 980 525,3 517,1

8,2

9,2

6-7

900

-n-

700

490

517,1 514,6

2,5

2,6

1-8

400

57x351 600

420

631,3 534,4

96,9

257

2-9

300

-n-

600

420

586,2

509,5 76,7 254

3-10

200

-11-

600

420

558,3 505,8

52,4

253

4-11

300

~,,~

700

490

541,4

504,6 53,6 173

5-12

400

~,,~

700

490

525,3 447,8 77,5

171

6-13

300

~II-

700

490

517,1

459,3 57,8

171

7-14

400

-fl-

700

490

514,6 435,4

79,2

171

219

Курбатов Ю.Л., Шелудченко В.И., Кравцов В.В. Механика жидкости и газа: Учебное пособие

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