How to assure engine propulsion reliability · 5 How to assure engine propulsion reliability...
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How to assure engine propulsion reliability SST.2012.5.2‐5: Grant no. 314286 E‐guided vessels: The 'autonomous' ship How to assure engine propulsion reliability Prof. Dr. Karsten WEHNER; Dr. Wolfgang BUSSE Hochschule Wismar – University of applied sciences Department of Maritime Studies http://www.unmanned‐ship.org MUNIN workshop at SMM Hamburg 2014‐09‐10
Transcript of How to assure engine propulsion reliability · 5 How to assure engine propulsion reliability...
How to assure engine propulsion reliabilitySST.2012.5.2‐5: Grant no. 314286E‐guided vessels: The 'autonomous' ship
How to assure engine propulsion reliability
Prof. Dr. Karsten WEHNER; Dr. Wolfgang BUSSE
Hochschule Wismar – University of applied sciences
Department of Maritime Studies
http://www.unmanned‐ship.org
MUNIN workshop at SMM Hamburg 2014‐09‐10
How to assure engine propulsion reliability2
Unmanned (autonomous) operation of ship engine plant required:
• automation of technical processes
• Optimization of maintenance
Optimization of maintenance required:
• Risk analysis of ship engine plant(extended RPN – method for non redundant systems)
• Information about technical condition
Introduction
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Technical Diagnosis:
• Detection of (incipient) disorders,
• Prevention of serious damage
Methods of Technical Diagnosis on two stroke ship diesel engines:
• Non uniformity of revolution
• Cylinder Pressure and Ultrasonic Sound Analysis
• Analysis of tribological System
• Performance analysis / torque measurement
• Bearing monitoring
Introduction
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Methods of Technical Diagnosis on two stroke ship diesel engines:
• Non uniformity of revolution
• Cylinder pressure and ultrasonic sound analysis
• Analysis of Tribological System
Introduction
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Revolution Uniformity Analysis
Cylinder pressure ‐‐‐
tangential force -30000,0
-20000,0
-10000,0
0,0
10000,0
20000,0
30000,0
40000,0
50000,0
1 10 19 28 37 46 55 64 73 82 91 100 109 118 127 136 145 154 163 172 181 190 199 208 217 226 235 244 253 262 271 280 289 298 307 316 325 334 343 352
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Revolution Uniformity Analysis
Cylinder pressure ‐‐‐
tangential force -20000,0
-10000,0
0,0
10000,0
20000,0
30000,0
40000,0
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0 50 100 150 200 250 300 350
F
°CA
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Revolution Uniformity Analysis
Cylinder pressure ‐‐‐
tangential force 25000,0
30000,0
35000,0
40000,0
45000,0
50000,0
0 30 60 90 120 150 180 210 240 270 300 330 360°CA
F
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Revolution Uniformity Analysis
Deg 356 357 358 359 000 001 002 003 004 005 ……..
TDC
Time measurement between °CA
Time measurement between TDC
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Revolution Uniformity Analysis
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Revolution Uniformity Analysis
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Cylinder Pressure and Ultrasonic Sound Analysis
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Cylinder Pressure and Ultrasonic Sound Analysis
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Cylinder Pressure and Ultrasonic Sound Analysis
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Cylinder Pressure and Ultrasonic Sound Analysis
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Cylinder Pressure and Ultrasonic Sound Analysis
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Analysis of Tribological System
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Analysis of Tribological System
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Analysis of Tribological System
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Analysis of Tribological System
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Analysis of Tribological System
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Analysis of Tribological System
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Analysis of Tribological System
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