10th International Conference on Turbochargers and Turbocharging 1st Edition by Institution Of Mechanical Engineers – Ebook PDF Instant Download/Delivery: 085709209X, 9780857092090
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ISBN 10: 085709209X
ISBN 13: 9780857092090
Author: Institution Of Mechanical Engineers
This book presents the papers from the latest international conference, following on from the highly successful previous conferences in this series held regularly since 1978. Papers cover all current and novel aspects of turbocharging systems design for boosting solutions for engine downsizing. The focus of the papers is on the application of turbocharger and other pressure charging devices to spark ignition (SI) and compression ignition (CI) engines in the passenger car and commercial vehicles. Novel boosting solutions for diesel engines operating in the industrial and marine market sectors are also included.
The current emission legislations and environmental trends for reducing CO2 and fuel consumption are the major market forces in the transport (land and marine) and industry sectors. In these market sectors the internal combustion engine is the key product where downsizing is the driver for development for both SI and CI engines in the passenger car and commercial vehicle applications. The more stringent future market forces and environmental considerations mean more stringent engine downsizing, thus, novel systems are required to provide boosting solutions including hybrid, electric-motor and exhaust waste energy recovery systems for high efficiency, response, reliability, durability and compactness etc. For large engines the big challenge is to enhance the high specific power and efficiency whilst reducing emission levels (Nox and Sox) with variable quality fuels. This will require turbocharging systems for very high boost pressure, efficiency and a high degree of system flexibility.
- Presents papers from all the latest international conference
- Papers cover all aspects of the turbocharging systems design for boosting solutions for engine downsizing
- The focus of the papers is on the application of turbocharger and other pressure charging devices to spark ignition (SI) and compression ignition (CI) engines in the passenger car and commercial vehicles
Table of contents:
SESSION 1:NOVEL APPLICATIONS
HyBoost – An intelligently electrified optimised downsized gasoline engine concept
ABSTRACT
1 INTRODUCTION
2 HYBOOST CONCEPT
3 RESULTS AND DISCUSSION
SUMMARY and CONCLUSIONS
ACKNOWLEDGEMENT
REFERENCE LIST
Turbo-Discharging for improved engine torque and fuel economy
ABSTRACT
1. INTRODUCTION
2. TURBO-DISCHARGING
3. EXPERIMENTAL HARDWARE
4. EXPERIMENTAL RESULTS
5. SYSTEM PERFORMANCE
6. TECHNOLOGY OVERVIEW
7. CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
SESSION 2A:HIGH-BOOST AND TWO-STAGE SYSTEMS
Boost system selection for a heavily downsized spark ignition prototype engine
ABSTRACT
1 INTRODUCTION
2 THE ULTRABOOST PROJECT
3 BOOSTING ASSESSMENT
4 BOOSTING SYSTEM
5 BOOSTING COMPONENTS
6 BOOSTING SYSTEM SCORING
7 CONCLUSIONS
REFERENCES
R2S™ – modelling and consequences for the boost control
ABSTRACT
1 INTRODUCTION
2 SYSTEM DESCRIPTION
3 MODELLING
4 POTENTIALS FOR BETTER DYNAMICS AND CONTROLLABILITY
5 CONCLUSION AND OUTLOOK
6 REFERENCE LIST
Application of two stage turbocharging systems on large engines
ABSTRACT
NOMENCLATURE
1 THERMODYNAMIC ASPECTS OF THE TURBOCHARGED ENGINE
2 REQUIREMENTS ON THE TURBOCHARGING SYSTEM
3 APPLICATION AND POTENTIAL OF POWER2 IN DIFFERENT ENGINE SEGMENTS
CONCLUSIONS
REFERENCES
SESSION 2B:TURBINE FATIGUE AND STRUCTURAL
A new approach to thermo mechanical fatigue shown on turbocharger housings
ABSTRACT
ABBREVIATIONS
1 INTRODUCTION
2 DAMAGE OPERATOR APPROACH
3 STRESS-LIFE DAMAGE OPERATOR APPROACH
4 STRAIN-LIFE DAMAGE OPERATOR APPROACH
5 VISCOPLASTIC APPROXIMATION AND CREEP FATIGUE
6 FINITE-ELEMENT BASED DURABILITY SIMULATION
7 THERMAL SHOCK SIMULATION ON A TURBOCHARGER HOUSING
8 CONCLUSIONS
9 REFERENCES
On the influence of thermal boundary conditions on the Thermo Mechanical Analysis of turbine housing
ABSTRACT
NOTATION
ABBREVIATIONS
1 INTRODUCTION
2 STANDARD WORKFLOW FOR THERMO-MECHANICAL FATIGUE (TMF)
3 SIMPLIFIED TMF PROCESS
4 POSSIBLE EXTENSIONS OF THE STANDARD WORKFLOW
5 CONCLUSIONS AND OUTLOOK
REFERENCES
Compressor wheel low cycle fatigue calculations for off highway applications – an approach to accu
ABSTRACT
1. NOMENCLATURE
2. INTRODUCTION
3. APPROACH TO LOW CYCLE FATIGUE
4. STANDARDISED APPROACH
5. NEW APPROACH
6. EXPERIMENTAL VALIDATION
7. FACTORS AFFECTING LOW CYCLE FATIGUE
8. CONCLUSION AND FURTHER WORK
REFERENCES
SESSION 3A:COMPRESSOR AERO-DESIGN OPTIMISATION (CFD)
Variable trim compressor – a new approach to variable compressor geometry
ABSTRACT
1 INTRODUCTION
2 OPERATING PRINCIPLE OF THE VARIABLE TRIM COMPRESSOR (VTC)
3 NUMERICAL STUDIES
4 PILOT SURVEY ON THE TURBOCHARGER TEST BENCH
5 VTC DESIGN
6 SUMMARY AND OUTLOOK
7 REFERENCE LIST
Design optimisation of an impeller with CFD and Meta-Model of optimal Prognosis (MoP)
ABSTRACT
NOMENCLATURE
1 INTRODUCTION
2 PARAMETRICAL IMPELLER GEOMETRY
3 CFD-MODEL
4 OPTIMISATION
5 RESULTS
6 CONCLUSIONS
REFERENCES
Development of advanced centrifugal compressor for turbocharger, applying control of internal unstea
ABSTRACT
1 INTRODUCTION
2 ENGINE TREND AND THE REQUIREMENTS FOR TURBOCHARGER
3 RELATION BETWEEN THE COMPRESSOR WORKING RANGE AND TIP LEAKAGE VORTEX
4 INTRODUCTION OF THE BLADE DEVELOPING TECHNIQUE
5 CONCLUSION
6 REFERENCES
SESSION 3B:ROTORDYNAMICS AND VIBRATIONS
Shaft coking resolution using multiple variable bearing system design optimization for commercial ve
ABSTRACT
1 INTRODUCTION
2 METHODS
3 RESULT
4 CONCLUSIONS
5 ACKNOWLEDGEMENT
REFERENCES
Advanced rotordynamic simulation of turbochargers using coupled multibody and finite element models
ABSTRACT
1 INTRODUCTION
2 SINGLE OIL FILM BEARING WITH MISALIGNMENT
3 TURBOCHARGER MODEL
4 CO-SIMULATION: NUMERICAL SOLUTION OF THE COUPLED SYSTEM
5 NUMERICAL RESULTS
REFERENCES
Turbocharger blade vibration: Measurement and validation through laser tip-timing
ABSTRACT
ACRONYMS
1. INTRODUCTION
2. TIP-TIMING METHOD
3. COMPARISON OF LASER PROBES WITH OTHER SENSORS
4. MATHEMATICAL MODELLING AND SIMULATION
5. SIMULATION AND TEST RESULTS CORRELATION
6. SUMMARY
ACKNOWLEDGEMENT
REFERENCES
SESSION 4A:ADVANCING SIMULATION AND VALIDATION
On wide mapping of a mixed flow turbine with regard to compressor heat flows during turbocharger tes
ABSTRACT
NOMENCLATURE
1 INTRODUCTION
2 PROBLEM OVERVIEW
3 EXPERIMENTAL SETUP
4 TEST RESULTS
5 HEAT TRANSFER CORRECTION
6 CALCULATION OF “ADIABATIC” MAPS
7 CONCLUSIONS AND FURTHER WORK
REFERENCE LIST
Turbocharger matching methodology for improved exhaust energy recovery
ABSTRACT
NOMENCLATURE
1 INTRODUCTION
2 LITERATURE REVIEW
3 MAP PREDICTION METHOD
4 RESULTS AND DISCUSSION
5 CONCLUSION
REFERENCES
Experimental investigation under unsteady flow conditions on turbocharger compressors for automotive
ABSTRACT
NOMENCLATURE
1 INTRODUCTION
2 TEST FACILITY AND MEASURING SYSTEM
3 TEST PROGRAMME
4 EXPERIMENTAL RESULTS
5 CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCE LIST
SESSION 4B:TURBINE DEVELOPMENT TRENDS
Development of a common dual axle VNTTM for single-and two-stage off-highway applications
ABSTRACT
1 INTRODUCTION AND BACKGROUND
2 PERFORMANCE TARGETS AND AERODYNAMIC DEVELOPMENT
3 ACTUATION SYSTEM DEVELOPMENT AND OPTIMIZATION
4 CONCLUSIONS
REFERENCE LIST
An experimental assessment of the effects of stator vane clearance location on an automotive turboch
ABSTRACT
NOMENCLATURE
1 INTRODUCTION
2 EXPERIMENTAL SETUP
3 TEST RESULTS AND DISCUSSION
4 CONCLUSIONS
REFERENCE LIST
Testing turbine expanders for high efficiency diesels
ABSTRACT
1.0 INTRODUCTION
2.0 DESIGN
3.0 CELL BUILD
4.0 COMMISSIONING
5.0 RUNNING SYSTEM IN MANUAL
6.0 CONCLUSIONS
7.0 ACKNOWLEDGEMENTS
8.0 REFERENCES
SESSION 5:SYSTEMS AND TRANSIENT RESPONSE
The role of turbocompound in the era of emissions reduction
ABSTRACT
1 INTRODUCTION
2 ANALYSIS OVERVIEW
3 RESULTS
4 CONCLUSIONS
REFERENCE LIST
Characterization of a low pressure turbine for turbocompounding applications in a mild-hybrid gasoli
1 ABSTRACT
2 NOMENCLATURE
3 INTRODUCTION
4 BACKGROUND
5 LOW PRESSURE TURBINE CHARACTERIZATION
6 1-D ENGINE GAS DYNAMIC SIMULATION
7 CONCLUSIONS
8 ACKNOWLEDGEMENT
9 REFERENCES
The transient response of turbocharger turbines
ABSTRACT
NOTATION
1 INTRODUCTION
2 EQUATION OF ACCELERATION
3 EFFECTS OF TURBOCHARGER PARAMETERS ON TRANSIENT
4 CONCLUSIONS
5 REFERENCES
SESSION 6:COMPRESSOR DEVELOPMENT TRENDS
Performance of a small-size two-stage centrifugal compressor
ABSTRACT
NOMENCLATURE
1 INTRODUCTION
2 AERODYNAMIC DESIGN AND ANALYSIS METHODS
3 TEST RIG DESCRIPTION
4 SINGLE-STAGE COMPRESSOR PERFORMANCE
5 TWO-STAGE COMPRESSOR PERFORMANCE
6 CONCLUSION
REFERENCES
Effect of diffuser width and tip clearance on the static pressure distributions in a vaneless diffus
ABSTRACT
NOMENCLATURE
1 INTRODUCTION
2 STUDIED DESIGNS AND EXPERIMENTAL SETUP
3 PRESSURE DISTRIBUTIONS
4 CONCLUSIONS AND DISCUSSION
REFERENCE LIST
Experimental and numerical analysis of a classical bleed slot system for a turbocharger compressor
ABSTRACT
NOMENCLATURE
INTRODUCTION
BASELINE COMPRESSOR
NUMERICAL METHOD
EXPERIMENTAL SETUP
BASELINE BLEED SLOT SYSTEM
VARIOUS POSITIONS OF THE BLEED SLOT
EFFECT OF INLET SWIRL ON INCIDENCE DUE TO VARIOUS SLOT POSITIONS
CONCLUSION
ACKNOWLEDGEMENTS
REFERENCES
SESSION 7:NOVEL PRESSURE CHARGING AND HIGH EFFICIENCY SYSTEMS
Dual boost compressor development
ABSTRACT
NOMENCLATURE
1. INTRODUCTION
2. COMPRESSOR DEVELOPMENT
3. COMPRESSOR CHARACTERISTICS
4. CONCLUSION
ACKNOWLEDGEMENTS
REFERENCES
Electrically driven supercharger using the TurboClaw® compressor for engine downsizing
ABSTRACT
1 INTRODUCTION
2 ELECTRIC SUPERCHARGING
3 INNOVATION
4 EXPERIMENTAL VALIDATION
5 ACKNOWLEDGEMENTS
CONCLUSION
REFERENCES
Development of new turbocharger technologies for energy efficiency and low emissions
1. INTRODUCTION
2. HIGH PRESSURE RATIO MET-MB TURBOCHARGER
3. CONSIDERATIONS FOR LOW-SPEED OPERATION
4. VARIABLE GEOMETRY TURBINE AREA
5. HYBRID TURBOCHARGER SYSTEM
6. CONCLUSION
7. REFERENCES
SESSION 8:TURBINE UNSTEADY FLOW
Experimental investigation on the effect of pulsations on exhaust manifold-related flows aiming at i
ABSTRACT
1 INTRODUCTION
2 PULSATING FLOW THROUGH CURVED PIPES
3 EXPERIMENTAL PROCEDURE
4 RESULTS AND DISCUSSION
5 SUMMARY AND CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCE LIST
A comparison of timescales within a pulsed flow turbocharger turbine
ABSTRACT
NOMENCLATURE
1 BACKGROUND
2 UNSTEADY CRITERIA
3 EXPERIMENTAL DATA
4 COMPUTATIONAL MODEL
5 TIMESCALES
6 CONCLUSIONS
7 ACKNOWLEDGEMENTS
8 REFERENCES
Experimental analysis of turbocharger interaction with a pulsatile flow through time-resolved flow m
ABSTRACT
1 INTRODUCTION
2 EXPERIMENTAL SET-UP
3 TIME RESOLVED MEASUREMENTS WITH A VORTEX SHEDDING FLOW METER
4 RESULTS
5 CONCLUSIONS AND FUTURE WORK
ACKNOWLEDGEMENT
REFERENCE LIST
ADDITIONAL PAPERS NOT PRESENTED AT THE CONFERENCE
Reduced model for the radial turbine based on proper orthogonal decomposition
ABSTRACT
NOMENCLATURE
1 INTRODUCTION
2 MODEL REDUCTION METHOD
3 POD MODES FOR A RADIAL TURBINE
4 SUMMARY AND CONCLUSIONS
ACKNOWLEDGMENTS
REFERENCE LIST
Unsteady flow-based aeroacoustics analysis in centrifugal compressor
ABSTRACT
1 INTRODUCTION
2 DESCRIPTION ON THE CENTRIFUGAL COMPRESSOR
3 NUMERICAL METHODOLOGY
4 SPECTRUM ANALYSIS AND DISCUSSION
CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
AUTHOR INDEX
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Tags: Institution Of Mechanical Engineers, Conference, Turbochargers, International