LIFETIME Final Presentation - Laboratory of Marine Engineering

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Turbocharger components for surge free operation • Engine parameter variations that have been investigated using turbochargers with clean and fouled turbines: • Engine speed variation (Engine speed: 89 to 95 rpm with constant bmep) • Exhaust valve open variation (Eo=-10 to +10 °CA) f or 100% - and 75%-load • Exhaust valve close variation (Ec=-20 to +20 °CA) for 100% - and 75%- load. • Measures in order to achieve optimum turbocharger operation: • Preventive measures like turbine dry cleaning with rice or nut shells or turbine and compressor washing with water • Turbocharger and engine manufacturer have to co-operate with the power plant enduser in order to find appropriate turbocharger cleaning intervals. • For a safe engine and turbocharger operation engine and turbocharging system designers have to co-operate in order to produce turbocharger components for surge free turbocharger operation. Athens, October 8, 2003 Final Presentation
Future engine control systems • Design aspects towards better efficiency – less emissions marine diesel engines • Control of operational parameters and optimization of engine performance with respect to fuel oil consumption and emissions leads to more sophisticated and reliable 2-stroke marine diesel engines • Use of advanced control schemes leads to improved performance of marine engines. Athens, October 8, 2003 Final Presentation
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Introduction and background • Dur
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LOW IN FUEL AND EMISSIONS TWO-STROK
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Objectives and Methodology LIFETIME
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Page 11 and 12:
Vessels for shipboard measurement c
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Research Centre and Intelligent Eng
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Turbocharger test centre Exterior v
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Intelligent Engine Performance & Em
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Turbine nozzle ring contamination N
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Compressor Athens, October 8, 2003
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“Shanghai Express” Propulsion P
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Comparison of independent power mea
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“Shanghai Express” Exhaust gas
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“Antwerpen Express” Propulsion
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Measuring data acquisition system Z
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Analysis of ageing effect The agein
Page 35 and 36:
Analysis of ageing effect - Data Su
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Analysis of ageing effect - Conclus
Page 39 and 40:
Multi-zone Combustion Model NOx MAP
Page 41 and 42:
Engine Performance Modelling Compar
Page 43 and 44: Simulations - 7K98MC engine PARAMET
Page 45 and 46: Simulations - 7K98MC engine Creatio
Page 47 and 48: Possible Types of Correlation • S
Page 49 and 50: LIFETIME Control System Mathematica
Page 51 and 52: LIFETIME observer system (NOx-Box)
Page 53 and 54: LIFETIME observer system (NOx-Box)
Page 55 and 56: Validation of control schemes Devel
Page 57 and 58: Testbed implementation of the contr
Page 59 and 60: Prototype Control Systems Design an
Page 61 and 62: Brake Power per cylinder (kW) Ultra
Page 63 and 64: Conventional Engine Off-line NOx-BO
Page 65 and 66: Prototype Control Systems Initial i
Page 67 and 68: Intelligent Engine Engine Running M
Page 69 and 70: Prototype Control Systems Recalibra
Page 71 and 72: Conventional Engine Off-line NOx_BO
Page 73 and 74: Engine Running Mode software Intell
Page 75 and 76: Ultra-Large Bore Engine On-line NOx
Page 77 and 78: GL Measurements Ultra-Large Bore En
Page 83 and 84: Conventional Engine Off-line NOx-BO
Page 85 and 86: Analysis of Results • Effect of c
Page 87 and 88: NOx-BOX operation evaluation Analys
Page 89 and 90: Model-based vs. correlational metho
Page 91 and 92: 60 Model-based vs. correlational me
Page 93: “Antwerpen Express” running wit
Page 97 and 98: Future engine control systems • I
Page 99 and 100: Future engine control systems • T
Page 101 and 102: Work Progress CONCLUSIONS • Condu
Page 103: The End Athens, October 8, 2003 Fin
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LIFETIME Final Presentation - Laboratory of Marine Engineering

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