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