Vehicle thermal Management Systems Conference and Exhibition (VTMS10)

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Title page

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Co-Chairmen’s welcome message

Heat and A/C

Chapter 1: A practical approach to R-1234yf thermophysical property calculation and A/C system cycle analysis

ABSTRACT

1 INTRODUCTION

2 DEVELOPMENT OF THERMOPHYSICAL RELATIONSHIPS

3 A/C SYSTEM CYCLE ANALYSIS & DISCUSSION

4 CONCLUSIONS

ACKNOWLEDGEMENT

Chapter 2: Automotive material investigation with low GWP refrigerant HFO-1234yf

ABSTRACT

1 INTRODUCTION

2 THERMODYNAMIC PROPERTIES

3 FLAMMABILITY

4 THERMAL STABIILITY

5 MATERIAL COMPATIBILITY

6 LUBRICANT MISCIBILITY

7 SUMMARY AND CONCLUSIONS

Chapter 3: Numerical investigation of energy-efficient heat-up strategies considering a comprehensive HVAC-system

ABSTRACT

1 INTRODUCTION

2 SYSTEM MODELLING

3 MODEL VALIDATION

4 SIMULATION RESULTS

5 CONCLUSION

Heat Exchange/Manufacture

Chapter 4: Flux free brazing of aluminium heat exchangers

ABSTRACT

1 INTRODUCTION

2 EXPERIMENTAL

3 RESULTS AND DISCUSSION

4 CONCLUSIONS

5 ACKNOWLEDGEMENT

Chapter 5: Corrosion of aluminium Charge Air Coolers in exhaust gas condensates – application to Exhaust Gas Recirculation systems

1 INTRODUCTION

2 STATE OF THE ART

3 CORROSION PROCEDURE DESIGN

4 EXHAUST GAS CONDENSATE ANALYSIS

5 CONCLUSION

Chapter 6: A methodology for evaluation of charge air coolers for low pressure EGR systems with respect to corrosion

ABSTRACT

SYMBOLS AND ABBREVIATIONS

1 INTRODUCTION

2 APPROACH

3 RESULTS

4 SUMMARY

Chapter 7: New approach in microstructural analysis of a modified AA4XXX/AA3XXX brazing sheet before and after brazing

ABSTRACT

1 INTRODUCTION

2 EXPERIMENTAL PROCEDURE

3 RESULTS

4 DISCUSSION

5 CONCLUSIONS

6 ACKNOWLEDGMENTS

Chapter 8: Graphite foam heat exchanger for vehicles

ABSTRACT

NOMENCLATURE

Greek Symbols

Subscripts

1 INTRODUCTION

2 PHYSICAL MODEL AND ASSUMPTIONS

3 MATHEMATICAL FORMULATION AND NUMERICAL METHOD

4 RESULTS AND DISCUSSION

5 CONCLUSION AND RECOMMENDATION

6 ACKNOWLEDGMENT

Chapter 9: Flat panels heat exchangers to improve the thermal management

ABSTRACT

1 INTRODUCTION

2 PROTOTYPE HEAT EXCHANGERS

3 VEHICLE DEMONSTRATOR

4 CONCLUSIONS AND NEXT STEPS

Chapter 10: The Wilson Plot – why it doesn’t work and what to do about it

ABSTRACT

1 INTRODUCTION

2 INACCURACY OF THE WILSON PLOT

3 THE NEW APPROACH

4 ANALYSIS PROCESS

5 DISCUSSION AND CONCLUSION

ACKNOWLEDGEMENTS

Chapter 11: Information for HFO-1234yf automotive plant and service shop implementation

ABSTRACT

1 INTRODUCTION

2 FLAMMABILITY PROPERTIES OF HFO-1234yf

3 POTENTIAL EU AUTOMOTIVE OEM PLANT IMPLEMENTATION STRATEGIES

4 INFORMATION FOR AIR CONDITIONING SERVICE SHOP IMPLEMENTATION

5 SUMMARY AND CONCLUSIONS

Engines

Chapter 12: Spatially resolved heat flux measurements from a HSDI engine over NEDC

ABSTRACT

1 INTRODUCTION

2 EXPERIMENTAL SET-UP

3 EXPERIMENTAL APPROACH

4 RESULTS AND DISCUSSION

5 CONCLUSION

Chapter 13: Investigation of temperature fields during stop-start operation of a spark ignition engine and the effect on engine behaviour after a restart

ABSTRACT

1 INTRODUCTION

2 ENGINE INSTRUMENTATION

3 EXPERIMENTAL INVESTIGATIONS

4 DISCUSSION AND CONCLUSIONS

ACKNOWLEDGEMENTS

Chapter 14: A thermistor-based instrument for measuring vehicle cooling airflow

ABSTRACT

1 INTRODUCTION

2 THERMISTOR ANEMOMETRY

3 EXPERIMENTAL METHOD

4 RESULTS AND DISCUSSION

5 CONCLUSIONS

ACKNOWLEDGEMENTS

Chapter 15: Identification and optimization of the powertrain thermal system

ABSTRACT

1 INTRODUCTION

2 CONSTRUCTION OF THERMAL MODEL

3 HYBRID EVOLUTIONARY ALGORITHM

4 PARAMETER IDENTIFICATION

5 THERMAL SYSTEM OPTIMIZATION

6 CONCLUSION

7 ACKNOWLEDGMENT

Chapter 16: Analysis of energy flows in engine coolant, structure and lubricant during warm-up

ABSTRACT

1 INTRODUCTION

2 BACKGROUND

3 METHODOLOGY

4 RESULTS

5 DISCUSSION

6 CONCLUSIONS

7 ACKNOWLEDGMENTS

Chapter 17: Thermal coupling and energy flows between coolant, engine structure and lubricating oil during engine warm up

ABSTRACT

2 INTRODUCTION

3 PROMETS

4 INVESTIGATIONS OF WARM-UP AND FUEL CONSUMPTION

5 DISCUSSION AND CONCLUSION

ACKNOWLEDGEMENT

Chapter 18: A high-resolution warm-up simulation model for a gasoline engine with advanced thermal control

ABSTRACT

1 INTRODUCTION

2 GENERAL CONCEPT OF WARM-UP SIMULATION

3 THE INTERACTION OF SIMULATION MODULES

4 HIGH-RESOLUTION SIMULATION MODULES

5 MODEL CALIBRATION FOR STATIONARY OPERATION

6 WARM-UP SIMULATION FOR THE NEDC

7 CONCLUSION

Chapter 19: Powertrain thermal modeling for vehicle simulation

ABSTRACT

NOTATION

1 INTRODUCTION

2 NUMERICAL METHODS

3 RESULTS

4 CONCLUSION

Chapter 20: The effectiveness of heating parts of the powertrain to improve vehicle fuel economy during warm-up

ABSTRACT

1 INTRODUCTION

2 MODEL DEVELOPMENT AND EVALUATION

3 INFLUENCING WARM-UP AND FUEL CONSUMPTION

4 CONCLUSIONS

ACKNOWLEDGMENT

Chapter 21: A novel EGR system to improve engine performance of a diesel engine

ABSTRACT

INTRODUCTION

EXPERIMENTAL APPARATUS

NEDC KEY POINT FOR STATIONARY ENGINE TEST

EGR COOLER CHARACTERISTICS FOR OPERATING CONDITIONS

EFFECT OF ENGINE PERFORMANCE BY EGR GAS TEMPERATURE

CONCLUSIONS

Chapter 22: CFD simulation of the fouling process in EGR coolers

ABSTRACT

2 INTRODUCTION

3 DEPOSITION MECHANISMS

4 NUMERICAL MODELLING

5 RESULTS

6 CONCLUSION AND OUTLOOK

7 ACKNOWLEDGEMENTS

Alternative Powertrain

Chapter 23: Development of cooling system sign-off criteria for hybrid vehicles

ABSTRACT

1 INTRODUCTION

2 CUSTOMER EXPECTATIONS FOR HYBRID VEHICLE EV MODE AVAILABILITY (RISK ANALYSIS)

3 DEVELOPMENT OF NEW COOLING SYSTEM SIGN-OFF CRITERIA FOR HYBRID VEHICLES

4 Drive Cycle Validation Via Initial Physical Testing

5 CONCLUSIONS

Chapter 24: Evaluation of TEG potential in Hybrid Electric Vehicle by simulation

ABSTRACT

1 INTRODUCTION

2 TEG DETAILED MODEL

3 VEHICLE SIMULATION WITH TEG

4 CONCLUSIONS

5 ACKNOWLEDGEMENTS

Chapter 25: Balancing vehicle energy performance and thermal comfort: benefits of a multi-domain system simulation approach in the case of a power-split hybrid-electric vehicle

ABSTRACT

1 INTRODUCTION

2 DEVELOPMENT SCENARIO: OVERVIEW

3 STEP 1 - ENERGY MANAGEMENT STRATEGIES AND IMPACT ON FUEL CONSUMPTION

4 STEP 2 - THERMAL MANAGEMENT STRATEGIES AND IMPACT ON FUEL CONSUMPTION AND POLLUTANT EMISSIONS

5 STEP 3 – THERMAL MANAGEMENT STRATEGIES AND IMPACT ON CONSUMPTION AND THERMAL COMFORT

6 CONCLUSION

Chapter 26: Concept development and CAE for EV battery thermal management

ABSTRACT

1 INTRODUCTION

2 LI-ION CELL CHARACTERISTICS

3 BATTERY THERMAL MANAGEMENT

4 DETAILED THERMAL MODELING OF LI-ION CELLS (ON GOING DEVELOPMENT)

5 CONCLUSION

ACKNOWLEDGEMENTS

Chapter 27: Development of a detailed model for simulation and investigation of the thermal behaviour of electric vehicle traction batteries

ABSTRACT

1 INTRODUCTION

2 FUNDAMENTALS

3 MODEL LAYOUT

Chapter 28: Thermal modelling of the effects of a passive heat insulation on temperature distribution inside a battery

ABSTRACT

1 INTRODUCTION

2 STATE OF THE ART

3 THERMAL MODELLING

4 CONCLUSIONS

Chapter 29: Thermo electrochemical modeling of high capacity lithium-ion cells

ABSTRACT

1 INTRODUCTION

2 LITHIUM-ION CELLS

3 Research Approaches to Battery Cells

4 PHYSICS AND MATHEMATICAL EQUATIONS

5 THE MODEL DEFINITION

6 RESULTS AND DISCUSSION

7 CONCLUSION

Chapter 30: Efficient thermally responsive coolant output and flow control for conventional and advanced propulsion systems

ABSTRACT

1 INTRODUCTION

2 CONTROLLABLE VARIABLE FLOW (CVF) TECHNOLOGY

3 IN-VEHICLE PROTOTYPE DESCRIPTION & TEST RESULTS

4 COOLANT PUMP OUTPUT AND THERMOSTATIC FLOW CONTROL

5 CVF DRIVE AND ACTUATION OPTIONS

6 PRIMARY COOLANT CIRCUIT APPLICATIONS

7 SECONDARY COOLING CIRCUIT APPLICATIONS

8 ADVANCED & EMERGING PROPULSION SYSTEMS APPLICATIONS

9 CONCLUSIONS

10 ACKNOWLEDGEMENTS

Chapter 31: Design and development of an integrated EV cooling system

ABSTRACT

1 INTRODUCTION

2 THERMAL MANAGEMENT CHALLENGES

3 POWERTRAIN COOLING SYSTEM DESIGN

4 POWERTRAIN AND BATTERY SYSTEMS INTEGRATION

5 CONCLUSIONS

ACKNOWLEDGEMENTS

Chapter 32: Development of a thermal management control system for electric vehicles

ABSTRACT

1 INTRODUCTION

2 COOLING AND HEATING SYSTEM DESCRIPTION

3 CONTROL SYSTEM

4 CONCLUSIONS AND FURTHER WORK

5 ACKNOWLEDGEMENTS

Engines/Emissions

Chapter 33: Integrated thermal management for a downsized diesel engine with low CO2 emissions

ABSTRACT

INTRODUCTION

1 MODELLING APPROACH

2 VALIDATION OF BASELINE MODEL

3 THERMAL MANAGEMENT STRATEGIES

4 SIMULATION RESULTS

5 DISCUSSION AND CONCLUSIONS

6 NEXT STEPS

ACKNOWLEDGEMENTS

Chapter 34: CO2 and emission reduction by means of heat storage in the powertrain

ABSTRACT

1 INTRODUCTION

2 ENGINE ENCAPSULATION CONCEPTS

3 IMPACTS OF DIFFERENT COMPONENTS ON HEAT STORAGE CAPABILITY

4 CO2 REDUCTION

5 THERMAL SAFETY

6 WEIGHT BALANCE / MATERIALS

7 OTHER BENEFITS

8 CONCLUSION

External and Internal Component Flows

Chapter 35: Predicting the windscreen demisting performance using CAE

ABSTRACT

1 INTRODUCTION

2 MODELLING

3 RESULTS AND DISCUSSION

4 CONCLUSIONS

Chapter 36: Transient thermal modelling of an Axial Flux Permanent Magnet (AFPM) machine with model parameter optimisation using a Monte Carlo method

ABSTRACT

1 INTRODUCTION

2 METHODOLOGY

3 EXPERIMENTAL SET UP

4 RESULTS AND DISCUSSIONS

5 CONCLUSIONS

Chapter 37: Fan modelling in CFD using RANS with MRF, limitations and consistency, a comparison between fans of different design

ABSTRACT

1 INTRODUCTION

2 METHODOLOGY

3 RESULTS

4 DISCUSSION

5 CONCLUSIONS

Chapter 38: Design of an innovative high-efficiency fan for engine cooling

ABSTRACT

1 INTRODUCTION

2 FAN ALTERNATIVES

3 ENGINE COOLING FAN REQUIREMENTS

4 BASIC DESIGN

5 OPTIMIZATION PROCEDURE USING CFD & DESIGN OF EXPERIMENTS

6 EMPIRICAL TESTING

7 CONCLUSIONS

Chapter 39: Application of a hybrid computational aeroacoustics method to an automotive blower

ABSTRACT

1 INTRODUCTION

2 SIMULATION METHOD

3 APPLICATION TO AN AUTOMOTIVE CENTRIFUGAL BLOWER

4 CONCLUSIONS

ACKNOWLEDGEMENTS

Underhood

Chapter 40: Design and Analysis of Computer Experiments (DACE) and 3D Computation Fluid Dynamics (CFD) simulations for agricultural tractor cooling concept

ABSTRACT

2 INTRODUCTION

3 MATHEMATICAL MODEL

4 PROJECT

5 CONCLUSIONS

Chapter 41: Dual level vehicle heat rejection system

ABSTRACT

1 Introduction

2 Prototype System

3 Testing Procedures

4 Experimental Results

5 Next Steps

6 Conclusions

Chapter 42: Development of compact cooling system “SLIM”

ABSTRACT

1 INTRODUCTION

2 STRUCTURE

3 PRINCIPLE IN OPERATION

4 IMPROVEMENT OF HEAT TRANSFER

5 FACTORS OF IMPROVEMENT OF FUEL CONSUMPTION

6 APPLICATION TO SUPER-CHARGED PETROL ENGINE

7 VARIOUS DRIVING TESTS

8 ANALYSIS OF FUEL CONSUMPTION

9 APPLICATION TO CLEAN DIESEL ENGINE VEHICLE

10 OPTIMUM RATIO OF SUB-RADIATOR

11 CONCLUSION

Chapter 43: Thermal management concept of a taxi vehicle with rear engine application

ABSTRACT

1 INTRODUCTION

2 DESIGN PROPERTIES

3 DESIGN PROPERTIES

4 TESTS

5 FUTURE WORKS

6 CONCLUSION

Chapter 44: Virtual vehicle thermal management at Jaguar/Land Rover, reducing cost, development time and carbon footprint

ABSTRACT

1 INTRODUCTION

2 THERMAL MANAGEMENT CAE METHODS

3 DEVELOPMENT PROCESS CO2 REDUCTION

4 SUMMARY

Chapter 45: Minimising total vehicle energy consumption by balancing the aerodynamic benefit of an active grille shutter and the power consumption of the air conditioning compressor

ABSTRACT

1 INTRODUCTION

2 DESIGN AND FUNCTION OF THE ACTIVE GRILLE SHUTTER

3 EFFECT ON THE AIR CONDITIONING SYSTEM

4 OPTIMISATION OF THE OVERALL VEHICLE ENERGY CONSUMPTION

5 CONTROL STRATEGY

6 CONCLUSIONS

Chapter 46: Small-scale dynamic test facility for automotive thermal management systems

ABSTRACT

1 INTRODUCTION

2 TEST FACILITY

3 DATA ACQUISITION AND CONTROL

4 I-95 DRIVE CYCLE

5 EXPERIMENTAL RESULTS

6 CONCLUSIONS

Chapter 47: Factors affecting transient cooling system performance for arduous drive cycles

ABSTRACT

1 INTRODUCTION

2 EFFECT OF SYSTEM PARAMETERS ON TRANSIENT COOLING PERFORMANCE

3 EFFECT OF DRIVER STYLE ON TRANSIENT COOLING PERFORMANCE

4 COMPARISON OF COOLING SYSTEM SIGN OFF CONDITIONS

5 CONCLUSIONS

Chapter 48: Unsteady method for thermal vehicle prediction

1 ABSTRACT

2 INTRODUCTION

3 PREVIOUS SIMULATION TECHNIQUES

4 EXPERIMENT

5 SIMULATION

6 WORKFLOW IMPLEMENTATION

7 CONCLUSIONS

Chapter 49: Numerical simulation of exhaust system temperatures taking into account thermal interactions with the vehicle environment

ABSTRACT

1 INTRODUCTION

2 MODELLING STRATEGY

3 DESCRIPTION OF MODEL and Analysis

4 RESULTS

5 CONCLUSION

Heat and A/C Vehicle Comfort

Chapter 50: Combination of a 1D tool and CFD results for a cool down simulation

ABSTRACT

INTRODUCTION

SIMULATION

CABIN MODEL

WORKFLOW FOR THE DATA INPUT OF A CABIN MODEL

AIR CONDITIONING CIRCUIT

TRANSIENT BEHAVIOR OF THE HVAC AIR PATH

FULL SIMULATION MODEL

SIMULATION BASE LINE

CONCLUSION

Chapter 51: 3D Thermal simulation of a vehicle cabin with a view to reducing air conditioning loads

ABSTRACT

1 INTRODUCTION

2 SIMULATION APPROACH

3 RESULTS

4 DISCUSSION

5 CONCLUSION

ACKNOWLEDGEMENTS

Chapter 52: Distributed energy system simulation of a vehicle

ABSTRACT

1 INTRODUCTION

2 METHODOLOGY FOR CREATING AND EXECUTING A CO-SIMULATION

3 SIMULATION OF A COACH’S THERMAL SYSTEM

4 SIMULATION RESULTS

5 CONCLUSIONS

Chapter 53: Exhaust system heat exchanger design for thermal energy recovery in passenger vehicle applications

ABSTRACT

1 INTRODUCTION

2 THERMOELECTRIC GENERATOR (TEG) HEAT EXCHANGER MODELS

3 HEAT TRANSAFER ENHANCEMENT OF THE TEG

4 BACK PRESSURE DEVELOPMENT BY THE EXHAUST SYSTEM COMPONENTS AND THE TEG

5 CONCLUSIONS

Chapter 54: Influence of vehicle age on build-up of carbon dioxide in cabin to monitor indoor air quality (IAQ)

ABSTRACT

INTRODUCTION

LITERATURE REVIEW

CURRENT INVESTIGATION

RESULTS AND DISCUSSIONS

DISCUSSIONS ON SAFETY ISSUES

CONCLUSIONS

FUTURE WORK

ACKNOWLEDGMENTS

Chapter 55: TOPMACS: Thermally OPerated Mobile Air Conditioning Systems

ABSTRACT

1 INTRODUCTION

2 SILICA GEL/WATER PROTOTYPE SORPTION COOLER DEVELOPMENT AND LABORATORY TESTS

3 ON BOARD OVERALL SYSTEM DEVELOPMENT AND TESTING

4 SUMMARY ON PASSENGER CAR APPLICATION

5 ZEOLITE/WATER ADSORPTION COOLING SYSTEM AND OVERALL DESIGN FOR TRCK INSTALLATION

6 PERFORMANCE EVALUATION ON THE TRUCK

7 SUMMARY TRUCK APPLICATION

8 CONCLUSIONS

9 ACKNOWLEDGEMENTS

Chapter 56: PHEV/EV integrated vehicle thermal management – development of a KULI model to assess combined cooling loops

ABSTRACT

1 INTRODUCTION

2 COMBINED COOLING LOOPS

3 APPROACH

4 MODELS

5 RESULTS

6 CONCLUSIONS

7 ACKNOWLEDGMENTS

Author Index