Turbocharging Internal Combustion Engines     

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I.D.# C0314Printable Description
Duration: 3 Days
March 16-18, 2015 (8:30 a.m. - 4:30 p.m. ) - Troy, Michigan  
July 27-29, 2015 (8:30 a.m. - 4:30 p.m. ) - Troy, Michigan  
November 9-11, 2015 (8:30 a.m. - 4:30 p.m. ) - Troy, Michigan  

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The need to control emissions and maintain fuel economy is driving the use of advanced turbocharging technology in both diesel and gasoline engines. As the use of diesel engines in passenger car gasoline and diesel engines increases, a greater focus on advanced turbocharging technology is emerging in an effort to reap the benefits obtained from turbocharging and engine downsizing.

This seminar covers the basic concepts of turbocharging of gasoline and diesel engines (light and heavy duty), including turbocharger matching and charge air and EGR cooling, as well as associated controls. The limitations and future possibilities of today's systems will be covered, as well as details on how emerging technologies will impact engine/vehicle performance. The seminar's primary focus is on the turbocharger-engine interface (subjects such as matching, benefits, limitations, and new technologies) rather than detailed turbocharger aerodynamics and design. Advanced technologies such as variable geometry and multi-stage turbocharging, high and low pressure loop EGR systems, assisted turbocharging and turbocompounding are discussed. Students will have the opportunity to perform hands-on exercises to gain an appreciation of parametric effects in a wide range of engines.

**Participants are expected to bring a laptop computer, with Excel, to the seminar for class exercises.

Learning Objectives
By attending this seminar, you will be able to:

  • Describe the thermodynamic principles governing the turbocharging of internal combustion engines
  • Articulate the critical contribution of turbocharging to modern day diesel engine performance and emission control
  • Determine the possible benefits of turbocharging for specific gasoline and heavy and light duty diesel engine applications
  • Estimate the appropriate turbocharger characteristics for specific applications based on engine system requirements
  • Describe the limitations of current technologies and evaluate new technologies and their possible role in meeting future engine/vehicle system challenges
  • Apply the basic principles of matching turbocharger with engine and optimizing overall system for desired performance and emissions

Who Should Attend
This seminar is designed for engineers, managers, and other technical personnel from OEM and support industries concerned with the design and development of optimized diesel and spark ignition engine systems, including performance, fuel economy and emissions for passenger car, light truck and heavy duty engines. Some background in thermodynamics, IC engine performance and emissions will be helpful. Individuals who need more background should consider attending SAE seminar "Diesel Engine Technology" (ID# 93014) or "The Basics of Internal Combustion Engines" (ID# C0103).

Topical Outline
DAY ONE

  • Engine-Turbocharger Basics
    • Overview
    • Impact of charge density
    • Pumping loop and thermodynamics effects
    • Gas exchange/air flow and performance characteristics -- Engine; Turbocharger; Engine/turbocharger interaction
  • Turbocharger Design Features
    • Overview
    • Compressor side components and features
    • Turbine side components and features
    • Other significant turbocharger design requirements
    • Charge and EGR cooler features
    • Durability - thermal stress, materials, high and low cycle fatigue
    • Cooling, bearings, lubrication and sealing
    • Noise considerations
  • Free-floating, Wastegate, Variable Area or Variable Geometry Turbochargers and Controls
  • Compressor and Turbine Aerodynamics
    • Aerodynamic design features
    • Figures of merit for aero performance
    • Performance maps and their impact on engine characteristics
    • Methodology to evaluate the performance of compressors and turbines
DAY TWO
  • Engine Air and EGR Flow Requirements
    • Power density and efficiency considerations
    • Emissions control considerations
  • Turbocharger Matching
    • Matching principles with and without EGR
    • Single and multi-stage turbo matching
  • Turbocharger Selection Based on Engine System Requirement
  • Transient Response Considerations
  • Basic Spreadsheet Tools for Engine and Turbocharger Parametric Explorations
    • Hands-on exercises for turbocharger and engine performance calculations
    • Hands-on parametric studies using simple calculation tools
DAY THREE
  • Impact of Turbocharging on Gasoline and Diesel Engine Performance and Emissions
  • Charge (Air and EGR) Cooling Systems
  • Advanced Concepts in Turbocharging including Design Features of Advanced Concepts
    • Advanced versions of variable geometry turbocharging
    • High temperature and high strength materials
    • Two-stage turbocharging, series, parallel and sequential
    • Exhaust gas recirculation systems to minimize impact on efficiency
    • Turbocompounding
    • Electrically (and hydraulically) assisted turbocharging
    • Impact on emissions control in diesel and gasoline engines
    • Cold start emissions issues, catalyst temperature for diesel and gasoline
    • Turbocharger response issues

Instructor(s): Kevin Hoag and Roy J. Primus
Kevin Hoag is an Institute Engineer in the Engine, Emissions, and Vehicle Research Division at Southwest Research Institute, and has more than 35 years of engineering experience in diesel and spark-ignition engine development. Before joining Southwest Research he held engineering management positions with Cummins, Inc., and was most recently Associate Director of the Engine Research Center at the University of Wisconsin. He continues to teach in Wisconsin’s Master of Engineering in Engine Systems program. Kevin holds bachelors and masters degrees in mechanical engineering from the University of Wisconsin. He is the author of two books, Skill Development for Engineers (IEE Press, 2001), and Vehicular Engine Design (Springer-Verlag, 2005).

Roy J. Primus is a Principal Engineer in the Combustion Systems Organization at the General Electric Global Research Center. He has been working in the area of diesel engine combustion, performance and emissions for over 37 years. Prior to joining GE, Mr. Primus was an Executive Director of Research and Technical at Cummins, Inc. Mr. Primus' areas of expertise include diesel engine performance, emissions control, thermodynamic system modeling and air handling system design and analysis. He holds a Master of Science degree in Mechanical Engineering and a Bachelor of Science degree in Mathematics from Rose-Hulman Institute of Technology. He has published 25 technical papers and holds 23 patents on reciprocating engine systems and technology. Mr. Primus is a Fellow of SAE International and an Assistant Adjunct Professor for the University of Wisconsin Master of Engineering in Engine Systems distance learning program.

Fees: $1775.00 ; SAE Members: $1420.00 - $1598.00

2.0 CEUs
You must complete all course contact hours and successfully pass the learning assessment to obtain CEUs.

Testimonial
"Provides a good basic understanding of turbo history and where it is going in the future. Well worthwhile."
Robert Purdy
Technical Development Specialist
Wescast Industries

"This seminar met and exceeded my expectations. The material was very relevant and practical, and presented in a very clear and concise manner."
David Heitzmann
Chief Engineer
MOR/ryde International

To register, click Register button at the top of this page and submit the online form, or contact SAE Customer Service at 1-877-606-7323 (724/776-4970 outside the U.S. and Canada) or at CustomerService@sae.org.

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