Diesel Engine Technology

As diesel engines become more popular, a fundamental knowledge of diesel technology is critical for anyone involved in the diesel engine support industry. The SAE Diesel Engine Technology e-Seminar, featuring Instructor Magdi Khair, will explain the fundamental technology of diesel engines, starting with a short but thorough introduction of the diesel combustion cycle, and continuing with aspects of engine design, emission control design, and more. An overview of developing technologies for the future with a comprehensive section on exhaust aftertreatment is also included.

The nearly thirteen hour course is divided into an introduction and eight modules. The instructor makes reference to his book, Diesel Emissions and Their Control, co-authored with W. Addy Majewski and also available from SAE International.

What Will You Learn

By participating in this course, you will be able to:
  • Summarize the technological advances in modern diesel engines
  • Evaluate the sources of emissions from diesel engines and the influence of engine component design on curbing these emissions
  • Explain diesel exhaust aftertreatment systems and their effectiveness in reducing emissions
  • Recognize the importance of fuel injection parameters to performance and emission control

Course Information

13.00 Hours
90 Days

Is This Course For You

If you are involved in diesel engine support industries such as catalytic converters, lube oils, gaskets, and turbochargers, and if you are not well versed with diesel engines although they play a major role in your career's survival, this e-Seminar is for you.

This course satisfies a requirement in the Diesel Technology Certificate Program.

Have colleagues who need this course? See Special Offers to the right.

Click on the Requirements tab to make sure you are properly equipped to interact with this course.

Materials Provided

  • 90 days of online single-user access (from date of purchase) to the 13 hour course
  • Links to streaming video modules
  • Course Handbook (downloadable, .pdf's)
  • Instructor follow up to your content questions
  • 1.3 CEUs*/Certificate of Achievement (upon completion of all course content and a score of 70% or higher on the learning assessment)
*SAE International is authorized by IACET to offer CEUs for this course.

Course Requirements

  • Windows 7, 8, 10 (other operating systems and mobile platforms are not supported but may work)
  • Internet Explorer 11, Mozilla Firefox 37 , Google Chrome 42 (other browsers are not supported)
  • Broadband-1Mbps minimum


Click on each topic for an expanded view.
  • The Case for the Diesel Engine[Total Run Time: 2 hours, 15 minutes]
    • Define the compression ignition concept
    • Compare compression-ignited (CI) and spark ignited (SI) engines
    • Determine how nitric oxide emissions can be formed in CI and SI engines
    • Determine the reason for high thermal efficiency in CI engines
    • Examine some distinguishing features that contribute to the superiority of CI engines
    • Learn how CI engines contribute less to global warming by reducing carbon dioxide, a greenhouse gas, emission in the environment
    • Compare the thermal efficiency of various energy conversion machines
  • The Diesel Combustion Process[Total Run Time: 32 minutes]
    • Examine the four-stroke combustion process
    • Describe the pressure-volume diagram and apply it to diesel combustion
    • Describe the pressure-crankangle diagram and apply it to diesel combustion
    • Examine valve events and timing and define valve overlap
  • Basic Types of Diesel Engines[Total Run Time: 27 minutes]
    • List various types of diesel engines
    • Differentiate between direct- and indirect-injected diesel engines (DI & IDI)
    • Differentiate between various piston crown designs
    • Examine the importance of combustion bowl design on mixing fuel and air in preparation for high efficiency combustion
  • The Diesel Fuel Injection System[Total Run Time: 2 hours, 44 minutes]
    • List the major and auxiliary functions of the diesel fuel injection system
    • Categorize and list the various types of diesel fuel injection systems
    • Describe the function of the pump-line-nozzle injection system
    • Describe the function of the unit injector system
    • Describe the function of the common-rail system
    • Highlight the advantages of electronically-controlling fuel injection systems
  • Air Management - Supercharging & Turbocharging [Total Run Time: 43 minutes]
    • Determine the purpose of supercharging
    • Describe various methods of supercharging
    • List the various supercharger drives
    • Evaluate the performance of a centrifugal compressor through analyzing its performance map
    • Describe the basic operation of a turbocharger
    • List different types of turbochargers
    • Define turbocompounding, sequential turbocharging, and turbo-multistaging
  • Emissions Formation in Diesel Engines [Total Run Time: 45 minutes]
    • Differentiate between regulated and unregulated exhaust emissions
    • Explain the heat release diagram and give its relevance to emission formation
    • Describe in detail the phases of combusting a diesel fuel spray
    • Describe hydrocarbon, carbon monoxide, nitric oxides, particulate matter, and smoke formation in diesel combustion
  • Steps Towards the Modern Diesel Engine[Total Run Time: 57 minutes]
    • Review the design changes to the fuel injection system to control NOx emissions
    • Describe changes to the induction system for NOx reduction
    • Review combustion bowl design changes to achieve better mixing
    • Define the influence of intake port and intake manifold designs on emissions control
    • List design changes aimed at reducing lube oil contribution to particulate emissions
    • Describe the influence of high injection pressure on ignition delay and emission controls
    • List design changes aimed at reducing lube oil contribution to particulate emissions
    • Describe the influence of high injection pressure on ignition delay and emission controls
  • Emerging Technologies[Total Run Time: 4 hours, 19 minutes]
    • List technology options for future diesel engines
    • Explain how modern diesel fuel injection systems are helping diesel engines achieve better performance and cleaner exhaust
    • Describe the important design features of the modern diesel combustion system
    • Describe the role of the induction system in engine performance and exhaust emission control
    • Define the role of modern fuel composition on engine exhaust emissions
    • Detail the various diesel aftertreatment systems and list their advantages and disadvantages
    • Determine the importance of integrating engine and aftertreatment controls
    • List technologies and electrical accessories considered for future diesel engines and cite their advantages and disadvantages