Εγκ. Προωσης
DESCRIPTION
NTUA Diesel EnginesTRANSCRIPT
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Diesel
: . .
: nm11007A. 2014 2015
7 Diesel. , . , , :
: 15000 W : 102 RPM : Tanker
, , -- , . , .
1
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1. (p. 3)
2. (p. 4)
3. (p. 4)
4. ( Layout Diagram ) (p. 5)
5. (p. 6)
6. (p.8)
7. (p.11)
8. (p. 14)
9. (p.16)
10. (p.17)
11. & (p.17)
12. (p.19)
13. (p. 22)
2
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1. , : . :
15000KW . .
P clean=Pnom1.25
=12000KW
, 99%. , P clean=12121.21KW .
nom=102 RPM .
N clean=N nom /(1.031)=98.93 RPM .
B. , : , . :
P foulcalm=15000 KW
0.99=15151.52KW foulcalm=N nom=102 RPM
C. : 20%.
P foulbad=18181.82 KW
. ,
PMCR=15151.52KW , N MCR=102 RPM
, 5- L70 ME C8 . .
3
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L70 ME C8 , 5 cyl. L1 [KW] 16350 L2 [KW] 13100 L3 [KW] 13750 L4 [KW] 11000
[g/KWh] 1 170M [mm] 7639
1:
2.
' 2-, , , .
3.
. , 2 . 2 3.
P el=100+0.55PMCR0.7
To P el=564.18KW
735W7L16 , Wartsila, 1200 RPM / 60 Hz. T .
Wartsila 735W7L16 1200 RPM / 60 Hz [RPM] 1200 [W] 660
[g/KWh] 200 [g/KWh] 0.6
2:
1 L1 ( 100% load ), MGO
4
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. , , 1 Installation Aspects of MAN B&W Main and Auxiliary Engines, p. 6, . [ ]
2: , : Installation Aspects ofMAN B&W Main and Auxiliary Engines
4. (Layout Diagram)
L70 ME C8 Wartsila. 3 , , & . L1, L2, L3, L4. project guide . Matlab.
5
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3: .
5.
. :
P=Cn3
P KW n RPM.
, 3 , 3 . ' ( C, KW
RPM 3),
. ' , C :
C = 0.01251761, C = 0.01427761, C = 0.01713313,
, .
,
6
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(.. , ) . 4 . .
4: .
, , . , ' , ' . , . 4 .
N overload=88.06 RPM , Poverload=11712 W
7
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6.
. project guide , .
2
[ m3 ] 26.5
FAD
[ m3
h]*
232.05
3.
* ( , & ):
V
=1.7V( p9) V , p . 30 bar, . .
NK 60.1.3.00.33 Neuenhauser Kompressorenbau GmbH. .
NK 60.1.3.00.33
FAD [ m3
h]
264
[KW] 60 [RPM] 1200
3
5.
13.8% ' , .
3 . 30/1, , 1 bar, 30 bar.
8
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,
=(poutp in
)1 /Z
=3013=3.107
.
. 60 KW.
, N i= piV i [n1n 1] n
n1 . 3 , . V i
. , . V i [ m
3
s]=m [ kg
s]v i [
m3
kg] , m
. pv=RT , R=287 J
kgK . T=50oC , T =25oC . ' . .
NK 60.1.3.00.33
p in Pa 100
pout KPa 3000
- - 30
- 3.11
m kgs
0.0857
n - 1.35
9
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1 p in1 KPa 100
v1 m3
kg0.855
V 1 m3
s0.0733
pout1 KPa 310.72
1 KW 9.665
2o p in2 KPa 310.72
v2 m3
kg0.299
V 2 m3
s0.0257
pout2 KPa 965.49
2 KW 10.508
3 p in3 KPa 965.49
v3 m3
kg0.0963
V 3 m3
s0.0026
pout3 KPa 3000
3 KW 10.508
% 65
() =
( 1+ 2+ 3)
KW 47.20
()
P KW 60
% 21.3
6.
( ).
10
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7.
Q fuel=Pnom+Qcool+Qexh+Qrad Q fuel :
1=eng+k+a+r .
, SFC[ gKWh
] . project guide (net calorific
value NCF ) 42700 KJkg
. RMG 35,
CF=39550 KJkg .
, . :NCF refSFC ref=NCFSFC SFC=SFC ref
NCF refNCF
SFC=171.5 [ gKWh
] 4270039550
SFC=185.16 gKWh
RMG 35 [KJ/kg] 39550 [KW] 30820.92
7. .
H :Qcool=QSCR+Qlubr.+Qcyl
o SCR , lubr. cyl. . project guide .
project guide, (ISO) . 3 : MCR L1 , 2 , 2 , .
11
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MCR . , MCR . , :
: 45oC : 32oC : 60% : 1 bar
H project guide 1%
.
RMG - 35
NCF KJ
kg39550
E
SFC gKWh
185.159
m fuel kgs
0.779
Q fuel=m
fuelNCF KW 30820.92
Pnom KW 15151.52M
eng=PnomQ fuel
% 49.2
Qexh KW 7441.20
xhaust gas ratio a= QexhQ fuel
% 24.1
12
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QSCR KW 5776.09
Qlubr KW 1165.98
Qcyl KW 2229.75
()
Qcool=QSCR+Qlubr+Q cyl KW 9171.83
Cooling ratio k=QcoolQ fuel
% 29.8
Qrad KW 308.21
Radiation ratio r=QradQ fuel
% 1
eng+a+k+r=49.2+24.1+29.8+0.01=1.0406
: 4.06%
8. .
~4%, .
7441.20 KW. . , , ( ).
13
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8.
, , project guide .
IACS :
d=Fk3 pn 560 B+160 F = 100, k = 1 k = 1.22 , , p n . IACS 20% , ' . CS. .
F F - 100
k inter - 1
k pr - 1.22
Pa 580
p W 15151.52 n RPM 102
Linter m 8
Dinter mm 4833
L pr m 5
D pr mm 5894
D fl mm 11783 , , . 4 .
14
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- 6 Dbolt mm 110.3
t fl mm 110.3 9.
( & ) . , , 2 . , 483 mm. Cedervall. , Size 480 619 mm. IACS, ( ) , 80% . 2589=1178mm 0.8589=471.2 mm
[mm]
2 619 1 () 1 () 1178 471.2
Cedervall 10.
, . IACS, 8% . , r inter=0.08483=38.64 mm r pr=0.08589=47.12mm
15
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9.
, & . ( , ) , . . . , ' , . ' setup . 11 .
J eng kgm2 140000
E
Ipinter m4 0.005
k inter kNm 52762.522
Ip pr m4 0.012
k pr kNm 186688.767
( & ) J sh kgm2 1739.901
J pr kgm2 70000
1 n1 RPM 295.462 n2 RPM 3569.32
11.
16
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3 . , , .
10.
11. &
, . , ' , .. .
, . project guide . , '
0.1 gKWh
. 0.2s% , s% .
RMG 35 4.3%. project guide . 42700 KJ
kg, ,
.
, ,
SFC eng g
KWh185.16
(RMG
35)
NCV fuel KJkg
39550
m fuel tday
67.331
17
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SFC lubr. gKWh
0.1
m lubr. kgday
36.364
s% % 4.3
SFC cyl.=0.2s% gKWh
0.24.3=0.86
m cyl kgday
317.73
(project
guide)
SFC gKWh
200
NCV KJkg
39550
()
SFC corr gKWh
215.93
m el. fuel tday
11.97
SFC el.lubr. gKWh
0.6
m el.lubr. kgday
33.26
12. &
18
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12.
. 20% , 3650.2=73 . 292 30% , 88 . , 204 . , RMG 35, 455 $/t 3 2 . RMG 25, 39650 KJkg 465 $/t
KW , 440 $KW
, 0.0014 $
KWh.
800$/t, 700 $/t. , , ' .
25
455 $/t 67.331 tday
204 daysyear
6.25 . $ 156.2 . $
K
465 $/t 11.97 tday
365 daysyear
2.03 . $ 51 . $
800 $/t 0.32 tday
204 daysyear
52224 $ 1.305 . $
700 $/t 0.033 tday
365 daysyear
+
0.32 tday
204 daysyear
54128 $ 1.353 . $
440 $/KW 16350 KW - 7.2 . $
0.0014 $/KWh 16350 KW204 days
24 hday
112100 $ 2.8 . $
- - - 220 . $ 13.
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21
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13.
Diesel, . , .
, . . , . .
MAN engines
NK compressors
Wartsila Generating Sets
Cedervall Bearings
22