Pony

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. .1 : (, , , , , ) , , ). . : .

2 ; - Burgmann (); , , , -30; ; ; ; ; -, ; , ; 121810, .

3 2 :

Grundfos : ... (+..) , %... (+..) , %SP 30-1157,958,826-25-9058,558,5SP 60-22-62,810-65-15061,861,8SP 77-351,155,210-65-5055554 2008 460 26 28, 210.

7. 1.

2 2 . 2 6, 2 8, 2 10. 2 24 .

5LCC = Cic + Cin + Ce + Co + Cm + Cs + Cenv + Cd

LCC Cic = (, , , ) 5-9%Cin = , 6-10%Ce = ( , , , , ). 85%

, LCC Co = ( ).Cm = , .Cs = ( , ).Cenv = ( , ..).Cd = ( , ..).

(LCC) Europump6

:

(Cic) = + ( , ..). (Ce) . 17 520 (24 ). 2 17 520 (24 ).4. 1,85 /*.5. , . , .7 210-120-100 : LCC 210-120-100 21 000 763 000.8 9 : . , : - Solid Works; - 3- STEP ANSYS ICEM CFD; - ANSYS ICEM CFD - ; - ANSYS CFX ; - . . , .

: 10-120 : ... 10-120 ( ) - : Q =120 3/;- : = 20 ;- : n = 3000 /; - ... >81 (... >86%);- : . - .

ANSYS CFX11.10 1

2 ( )

11 :1. - . 2. (): n = 3000 /. 3. : (t=25 C), =997 /3; : k-; .4. : - : ; - : .5. () ( ): Frozen Rotor6. RMS 1.0E-4

12 2

1

1

13

10-120 . . 121810.... 4%. 10-120

14 6-10,16, 25; 8-25,40; 10-65

() . . 15 8-65; 10-120,160; 12-250, 320 . , .

16

17 18 , 100150200250300350400 4"6"8"10"12"14"16"1. 2. 4681010, 1212Q, 3/12,546,51016254065100120160210250 19,3/ , 3/ 12,546,510162540651001201602102501,333558812122020303050508080125125150150200200260 , 25%. , 5% , .

, : - ;- , 3- 5 . 20 :

= + h + 10*, - (),h - , , - , . h :h = h1*( L + L )/100, , h1 - 100 , L - (), L - , h1 L V = 352,77 * Q / d2, / (1,5-3 /) Q- (3/);d - ().

21

H=H+=k*Q2N=Q*H**g

:Q2 = 25 3/ , =100 , 8-25-125. , .. , . 22 , . , , , . :

8000 ,

1 * 2 . , 27200 ., 8-25-100 7 . . 23 . . . . , , ,

, /2.

,

, .

24

, 1, 12-200, 210, 250 2. .

, .

, 1 . 0.15-0.2 / , , , .

25 26 :80 % - , - - - , 27

80 % 28

29

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