Diesel Engine Technology Training

LEARNING OBJECTIVES

Diesel Engine TechnologyBy attending this seminar, you will be able to:
* Summarize the technological advances in modern diesel engine
* 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

OUTLINE

1. The Case for the Diesel Engine (Brief)

* Fuel consumption
* Emissions
* The diesel and the future
* Advantages and disadvantages of diesel engines
* Thermal efficiency of diesel vs gasoline engines
* Compression ratio limitations in diesel engines

2. The Diesel Combustion Process

* SI four-stroke
* CI four-stroke
* The diesel combustion cycle

3. Basic Types of Diesel Engines

* Open chamber – direct injection (DI)
* Prechamber – indirect injection (IDI)

4. General Characteristics of DI & IDI Engines

* Peak combustion pressure and temperature
* Combustion severity
* Rate of pressure rise
* Noise
* Fuel economy
* Application
* Emissions

5. The Diesel Fuel Injection System

* Functions of the diesel fuel injection system
* Types of diesel fuel injection systems
* Pump-line-nozzle systems (in-line pump)
* Pump-line-nozzle systems (distributor pump)
* Pump-line-nozzle systems (unit pump)
* Unit injector systems
* Common-rail injection systems
* Details of an in-line pump
* Operation of an in-line pump
* Multi-hole injector holder and nozzle
* Line dynamics and delivery valves
* Mechanical governors and boost control devices
* Engine installation and spray details
* Operation of a distributor pump
* Another type of distributor pump
* Mechanically-controlled unit injector
* Moving towards electronically-controlled systems
* Motivation for using electronically-controlled systems
* Basic electronic injection system
* Electronically-controlled in-line pump
* Visual differences between mechanical & electrical pumps
* Electronically-controlled distributor pumps
* Single solenoid valve electronically-controlled UI
* Electronically-controlled UI system
* Electronically-controlled common-rail system
* The HEUI system
* Operation of a HEUI system
* Development of injection pressure in HEUI
* Desired injection flexibility
* Operation differences between HEUI-A & HEUI-B
* The HEUI-B injection system
* HEUI-A and HEUI-B injectors

6. Air Management – Supercharging & Turbocharging

* The purpose of air charging
* Methods of air charging
* Supercharger drives
* Types of superchargers
* Schematic representation of supercharger types
* Sample performance map of a supercharger
* Photographs of two centrifugal superchargers
* Sample performance map of a centrifugal supercharger
* Types of turbochargers
* Schematic representation of a turbocharging system
* Exhaust and charge airflow through a fixed geometry turbocharger
* Anatomy of a turbocharger
* Energy conversion in a turbocharger
* The importance of A/R in a turbocharger design
* Cutaway in a modern turbocharger
* Sample performance map of a turbocharger
* Waste-gated turbocharger
* Variable geometry turbocharger
* Combination system – wave charging
* Turbocompounding
* Sequential turbocharging

7. Emissions Formation in Diesel Engines

* Hydrocarbon
* Carbon monoxide
* Nitrogen oxides
* Particulate matter
* Smoke

8. Emission Standards

* Europe
* North America

9. Steps Towards the Modern Diesel Engine

* Injection
* Combustion
* Induction
* Oil consumption
* Engine electronics
* Other design parameters

10. Current and Future Technologies

* Exhaust gas recirculation
* Multiple injections
* Auxiliary emission control devices (aftertreatment)
* Fuels and emulsions

PARTICIPANT

You should attend this seminar if you are involved in diesel engine
support industries such as catalytic converters, lube oils, gaskets,
and turbocharger suppliers, and if you are not well versed with diesel
engines although they play a major role in your career’s survival

TRAINING METHOD

Presentation, Discussion, Case Study, Evaluation

 

Instructor by : Dr .Ir. Drs. Herianto, MSc

Diesel Engine Technology Training
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