du-wingd · gg gv g" µ g ) ¾ g: gg Æ mdo % ì ¾ mdo Æ hfo 3û fþ gu g1 g gj gy µ 6õ...
Post on 24-Aug-2020
4 Views
Preview:
TRANSCRIPT
DU-WinGD
IHI Co. Confidential
2018 4 13
Copyright © 2018 DIESEL UNITED,LTD. All Rights Reserved.
1. X-DF
2. (VCR)*VCR Variable Compression Ratio system
Copyright © 2018 DIESEL UNITED,LTD. All Rights Reserved.
1. X-DF
2. (VCR)*VCR Variable Compression Ratio system
Copyright © 2018 DIESEL UNITED,LTD. All Rights Reserved.
Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
X-DF
4
mid-stroke
X-DFX-DF
Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
CO2
SOx
NOx
X-DFTier 3
PM
LP-DF / Gas
HP-DF / Gas
Diesel / HFO
Em
issi
on V
alue
s(%
)
CO2NOx
SOxPM
NOx(Tier 3)
!
X-DFX-DF
5
X-DF
6Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
V0 / Vc
Vc
V0
(TDC)
Vc
V0
(TDC)
X-DFX-DF
7Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
1 2 GAV
-
X-DFX-DF
8Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
X-DFX-DF
9Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
X-DFX-DF
1 2
10Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
X-DF UNIC
CCM-20X-DF CCM20 1
LDU-20
LDU-20
LDU-20 Local Display Module
CCM20 Cylinder Control Module
MCM-11 Main Control Module
IOM-10 Input Output Module
X-DFX-DF
Copyright © 2017 DIESEL UNITED, LTD. All Rights Reserved.
W-X engine
CCM-20
CCM-20
CCM-20
X-DFX-DF
11
“iCAT”
12Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
X-DFX-DF
BNBN
X-DF iCAT
BN BN
Fuel sharing mode
iCAT:
X-DF
13Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
+
MDO 3 5 ( )MDO
MDO HFOHFO MDO
Port-to-port operationMDO
X-DFX-DF
Copyright © 2017 IHI Corporation All Rights Reserved.
ECA X-DF
14
(1)Tier
(2)
(3)NOx ACD
Auxiliary Control Device)(4)2017 6 12 ABS,
,EPA USCG ,EPA
X-DFX-DF
Copyright © 2017 DIESEL UNITED, LTD. All Rights Reserved.
W6X62DF
X-DF 2 22017 8
2018 3 2 4,700
60
180k m3 LNGC twin-W6X62DF “SK Audace”
X-DFX-DF
Copyright © 2017 DIESEL UNITED, LTD. All Rights Reserved.
“SK Audace”
Total R/H[hrs]
R/H aftership delivery
[hrs]
R/H afterGas loading
[hrs]
R/H Gasmode[hrs]
Gas R/H aftergas loading
[%]P1 4,703 4,417 3,959 3,899 98.5
P2 4,613 4,412 3,954 3,898 98.6
2017 2018 3
X-DFX-DF
Copyright © 2017 DIESEL UNITED, LTD. All Rights Reserved.
“SK Audace”
NBOG( ) 70%
16~18
(GVU )65% 7bar
GVU9bar
17
X-DFX-DF
Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
X-DF Fuel Sharing
18
X-DF Fuel Sharing
Fuel sharing 50% 100% (HFO) Fuel sharing mode 5% 50%
•• UNIC Fuel sharing mode• UNIC
“SK Audace”NBOG( )
“SK Audace”NBOG( )
X-DFX-DF
Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved.
X-DF Fuel Sharing
19
NBOG( )
X-DFX-DF
0
10
20
30
40
50
60
70
80
90
100
15 16 17 18 19 20
Gas
cons
umpt
ion
(t/d
ay)
Ship speed (kn)
Gas consumpt ion (ME & AE) NBOG
Copyright © 2017 DIESEL UNITED, LTD. All Rights Reserved.
X-DFX-DF
WinGD DF ( )(2015 12 2018 3 )
WinGD DF ( )(2015 12 2018 3 )
2017 5 WinGD 40%
2017 6 2017 9 DF 80%WinGD
Copyright © 2017 DIESEL UNITED, LTD. All Rights Reserved.
LNG Carrier Productcarrier Container Tanker
RT flex50DF 1(14km3)
5(15k dwt)
6(1,400TEU)
4(Chemical tanker)
16
X52DF 4(Shuttle tanker)
4
X62DF 10(180km3)
13(Aframax tanker)
23
X72DF 42(174k, 180km3)
42
X82DF
X92DF 9(22,000TEU)
9
53 5 15 21 94
2018 394
X-DFX-DF
Copyright © 2017 DIESEL UNITED,LTD. All Rights Reserved. 22
RT-flex50DF
19.7%
16
Gas Mode
”Heavy Sea Mode” Off
Gas Mode
X-DFX-DF
1. X-DF
2. (VCR)*VCR Variable Compression Ratio system
Copyright © 2018 DIESEL UNITED,LTD. All Rights Reserved.
Copyright © 2017 IHI Corporation All Rights Reserved. 24
Copyright © 2017 IHI Corporation All Rights Reserved.
VCR
25
(Vc)
Compression Ratio
Pressure
Volu
me
Startof
Compression
TDC
VCLarge
Low Compression Ratio( )
Startof
Compression
TDC
Effe
ctiv
eSw
ept
Volu
me
(Vs)
VCSmall
High Compression Ratio( )
Effe
ctiv
eSw
ept
Volu
me
(Vs)
Vc(Large) > Vc(Small)
Copyright © 2017 IHI Corporation All Rights Reserved.
VCR
26
2 VCRCross-section of 2 stroke engine
Close up of crosshead
Copyright © 2017 IHI Corporation All Rights Reserved.
VCR
27
/
Copyright © 2017 IHI Corporation All Rights Reserved. 28
VCR
Copyright © 2017 IHI Corporation All Rights Reserved.
VCR
29
W6X72DF( ) 3 VCR
3 VCR
View from P Side of the Engine (#2cyl.)
A
View A
W6X72DF
Copyright © 2017 IHI Corporation All Rights Reserved.
VCR
30
VCR
VCR
Geo. CR = 18.0
Com
pres
sion
P
ress
ure
[bar
]
Output Power : 2.0% of MCR Speed : 34rpm
Geo. CR = 12.0
Increasingcompression ratio
Cycle [-]
0%20%
Pis
ton
Rod
Pro
ject
ion
[% o
f 100
mm
]40%60%80%
100%
100 200 0 100 2000Max
imum
Pre
ssur
e in
Bot
tom
Cha
mbe
r
Decreasingcompression ratio
Copyright © 2017 IHI Corporation All Rights Reserved.
DF
31
DF LNG
VCR DF
DU WinGD, IHI 3
top related