2024年4月21日发(作者:)
M/E INDICATOR CARDS RECORD
M.V:MISSISSIPPI89 DATE : 10
th
/Aug.2006
Master: Li ZhaoXing
VOY. No.
M/E Type :
105
SULZER 6RTA-52
F. 4.05m
Draft:
A. 8.00m
Log Dist. Speed
Handle Notch
Sea Water Temp.
Atmos Press
R.P.M
Turbo
Charger
Inlet-Gas
Temp.°C.
Outlet
Gas-Temp.
T/C L/O Outlet
Temp
0
C
M/E L.O Inlet Temp.
Cylinder No.
P. max. Kg/cm²
P. comp. ,,
Exh. Temp.
F.W. Outlet Temp.
Piston Cooling Oil
Outlet Temp.
Pump Rack
Total
F.O. S/G
F.O. Viscosity
Cyl. Oil Consumption
No.1
12.5
8.3/4.4
32°C
1008Hpa
No.2 No.3
No.4
Jacket Cooling Inlet Temp.
3
110
73
380
84
69
4
110
71
397
84
72
5
110
72
400
85
70
6
113
73
410
84
70
7
Press Drop
M/E R.P.M
Load Index
Engine Room Temp
Atmos Temp.
Scaven. Air
Chief Engineer :
Inspection Place
1
0
55.8'S 102
0
19’E
Loading Condition
Sea & Weather
Condition
FULL LOADING
(
Example)
NNE C SW-5
M S
1.0 12.0
1.0 6 12.0 3
81.3
7.4
47°C
31°C
Press 1.15Kg/cm²
Temp 47°C
T/C Blower
Side ( WC )
Air Cooler
Side ( WC )
13300
467
401
77 Economizer Side 300 WC
65°C
8
9
10
AVE
111.6
73
400.7
84
70
42°C
1
112
73
410
84
69
2
114
73
404
84
70
I.H.P. B.H.P. 6740HP
0.9641 F.O. Heating Temp. 125 °C
21.109T/day
131.2 Gr/ps/h
180cst
F.O. Consumption
@ 50 °C
270L/day F.O. Consumption Ratio
Cyl. Oil Consumption Ratio 1.49Gr/ps/h
Remarks : M/E No.3Cyl. piston overhauled and piston head replaced on 09-Aug-06.
计算方法:1)汽缸油消耗比:=270X1000Gr/BHP6740/24h=1.67Gr/ps/h (我轮汽缸油消耗220L/day,1.36g/ps/h)
2)燃油消耗比 :=21.109X1000X1000Gr/BHP6740ps/24h=130.5Gr/ps/h
3)BHP的计算方法:
主机实际输出功率BHP的计算方法
Estimation sheet for Engine Output (.1405,6RTA52)
1. Power of 1
st
estimation P1:
P1 can be read by (Fn-Fo) X N from this sheet.
Power of 1
st
estimation P1(BHP)
9000
8000
7000
6000
5000
4000
3000
200 300 400 500 600 (Fn-Fo) X N
Fn : Load indicator position (Load Index 7.4 )
Fo : Position of load indicator corresponding idle stroke =1.36
N : Engine speed (RPM) (81.3 rpm)
(Fn-Fo) X N= (7.4-1.36) X 81.3 = 491.052 查表得P1=6950 ps
2. Power of 2
nd
estimation P2:
P2 =P1 X Sa/S = P1 X Sa/29.50
Sa : Effective stroke of F.O. pump (Position of load indicator =8, Fuel Quality Setting lever in
position=0 , measured or used in the ship )
S : Effective stroke of (Position of load indicator=8,FQS=-1, value by shop trial=29.50 )
如果在航,高压油泵有效行程没有改变和调节,则Sa=S, 所以P2=P1.
我轮高压油泵为回油阀始终点调节式,喷油泵的柱塞上不设直槽,斜槽与环槽,在泵体中设有进回油阀,
以调节柱塞的有效行程。进回油阀由柱塞通过摆杆驱动。工作原理:其回,进油阀分别列在偏心轴(支点)
左右两侧,由柱塞通过摆杆和顶杆顶动。柱塞位于凸轮基圆时,右侧进油阀被顶杆顶开,而左侧回油阀关
闭,泵腔经进油阀进油。柱塞上行初期泵腔内燃油经开启的进油阀回油,出油阀不开,无供油排出。当柱
塞上行到供油阀落座时刻(此时回油阀尚未打开)即为泵油始点,出油阀开启对外供油。当柱塞上行到回
油阀开启时刻,泵腔内燃油经回油阀回油,为泵油终点。此期间内柱塞上行的行程为柱塞的有效泵油行程。
此后,柱塞上行到最高位置,泵腔内燃油均经回油阀回油。柱塞下行,泵腔经进回油阀充油直至柱塞最低
位置(凸轮基圆)。转动偏心轴可同时改变进油阀关闭时刻与回油阀开启时刻,即同时改变了供油始点和
终点。若把各泵的偏心轴用一拉杆与油门手柄连接,则拉动油门手柄可同时调节各缸的供油量,此为总调;
在油门手柄固定不动的情况下,调整调节螺钉(顶杆的最上一个螺钉,中间的为锁紧螺母)的高度可改变
供油始点或终点,即改变单缸供油量,此为单调。若转动偏心轴使进回油阀在柱塞的上行行程中均不能同
时关闭,则为停车位置。特点:其在供油始点和供油终点处的柱塞上行速度均较大,可保证在喷射过程中
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