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Advanced Technology Consultants



Laguna Niguel, California
USA    92677
Tel: 949 467 9233
(001 prefix outside USA)



Lugano, Ticino
Switzerland 6900

 

 

From Ignition to Emission

(3-Day Seminar)


Advances in Internal Combustion Engines: Selected Issues from Ignition to Emission.

Ignition Technologies and Advanced Diagnostics
 

TABLE OF CONTENTS  (3-day version) 


Day one
 

 

˘ CONCISE TREATMENT OF COMBUSTION IN SPARK IGNITED (SI) ENGINES

_CYLINDER PRESSURE TRACES

_MBT AND IGNITION TIMING

_       EFFECTS OF IGNITION TIMING ON  EFFICIENCY,   PERFORMANCE, HC AND NOx EMISSIONS

_FLAME VISUALIZATION  

_       PROPAGATION

_       LAMINAR BURNING SPEED

_       EFFECTS OF SOME PARAMETERS

_       TURBULENCE

_       SWIRL & TUMBLE

_COMBUSTION CHARACTERIZATION

_       HEAT RELEASE RATE

_CYCLIC VARIABILITY AND “COV”
 _Cylinder to cylinder variability

˘IGNITION FUNDAMENTALS

_       MINIMUM IGNITION ENERGY  

_       EFFECTS OF FLOW AND TURBULENCE

_       VISUALIZATION

˘SPARK IGNITION

_FUNCTION OF IGNITION SYSTEM

_IGNITION SYSTEMS COMMONLY USED

_      INDUCTIVE COIL IGNITION SYSTEM

_         MECHANICAL

_         TRANSISTORIZED

_      CAPACITIVE DISCHARGE SYSTEM

_      ANATOMY OF A SPARK PLUG (SP)

_         Cold and hot SP

_         Effects of some parameters

_      COMPARISON OF DIFFERENT IGNITION SYSTEMS

_      DETAILED OPERATION OF AN IGNITION SYSTEMS (TOYOTA)

_WHAT DETERMINES THE AMOUNT OF IGNITION ENERGY

 

Day two  

 

˘FOUR PHASES OF SPARK IGNITION

_PRE-BREAKDOWN PHASE

_BREAKDOWN PHASE

_ARC PHASE

_GLOW DISCHARGE

_ ENERGY TRANSFER EFFICIENCY

 ˘EFFECTS OF SOME KEY PARAMETERS

_HIGHER POWER AND/OR ENERGY

_LONGER DURATION DISCHARGE

_ SPARK PLUG ORIENTATION

_MULTIPLE SPARK PLUG

_DIFFERENT SPARK PLUG DESIGNS

_ SELF-CLEANING SPARK PLUGS

_ AN ADVANCED PRODUCTION IGNITION SYSTEM

_ VISUAL INSPECTION OF PLUGS FOR DIAGNOSTICS

 

Day Three 

 

˘ALTERNATIVE IGNITION METHODS and THEIR IMPACT ON EFFICIENCY AND EMISSION    

_CORONA  IGNITION SYSTEM

_PLASMA-JET IGNITION SYSTEM

_FLAME-JET IGNITION SYSTEM

_ACTIVATED RADICAL (AR) IGNITION

_ LASER IGNITION IN ENGINES

_OTHERS

 

˘DIAGNOSTIC AND CONTROL OPPORTUNITIES

_USE OF SPARK PLUG VOLTAGE FOR MONITORING COMBUSTION

_SPARK SPECTROSCOPY

_IONIZATION MEASUREMENT USING SPARK PLUG  FOR MONITORING:

                _CYLINDER PRESSURE

_A/F RATIO

_KNOCK

_MISFIRE

_MASS FRACTION BURNED

˘IGNITION SYSTEMS FOR HIGHLY DILUTED MIXTURES

_       FLAME JET IGNITION SYSTEM DESIGN ISSUES

_       DIFFERENT ELECTRODE DESIGNS

_       PLASMA JET IGNITION

˘CONCLUSIONS

Instructor:  Bruce Chehroudi  

Dr. Chehroudi, has accumulated years of technical and leadership experiences in different capacities and organizations. This includes such positions as a Principal Scientist and Group Leader appointment at the Air Force Research Laboratory (AFRL) ERCInc, a Chief Scientist at Raytheon STX, a Visiting Technologist at Ford’s Advanced Manufacturing Technology Development (AMTD) center, a tenured Professor of Mechanical Engineering at Kettering University and University of Illinois, and served as a Senior Research Staff/Research Fellowship at Princeton University. Dr. Chehroudi directed numerous multimillion dollar interdisciplinary projects in areas involving chemically reacting flows, combustion and emission of pollutants, sustainable and alternative energy sources, distributed ignition, material/fuel injection, advanced pollution reduction technologies, propulsion concepts, gas turbine and liquid rocket engines, combustion instability, laser optical diagnostics, spectroscopy, supercritical fluids and applications in environmental and propulsion systems, advanced composites, MEMS, nanotechnology, and micro fluidics. He has won many merit and leadership awards by such prestigious organizations as the Society of Automotive Engineers (1. Arch. T. Colwell Merit Award for technical excellence only to top 1% yearly, 2. Ralph R. Teetor Award for outstanding teaching/research/leadership, 3. Forest R. McFarland Award for sustained leadership in professional and educational service and a key contributor to the Continuing Professional Development Group, 4. Appreciation Award for 10 years of dedicated and inspiring  service and commitment to providing quality technical education, and  5. Outstanding Faculty Advisor), American Institute of Aeronautics and Astronautics (Best Publication Award of the Year), Air Force Research Laboratories (1. Outstanding Technical Publication Award, and 2. STAR Team Award for demonstrating world-class combined scientific and leadership achievements), Institute of Liquid Atomization and Sprays Systems (Marshall Award for best publication with lasting contributions), Liquid Propulsion Sub-committee of Joint Army-Navy-NASA-Air Force (JANNAF) (Best Liquid Propulsion Paper Award involving undergraduate/graduate students),  and the 2nd International Symposium on Turbulence and Shear Flow Phenomena (Top 10 Technical Publication Award). He has been a consultant with many organizations such as, Ford, GM, Honda R&D, AFRL, Honeywell, NASA, AFOSR, VW, Bosch, Siemens, NGK, Cummins, and TRW. Through professional societies, Dr. Chehroudi delivers invited professional seminars on Management of R&D Teams and Organizations, Management of Innovation, Combustion and Emission of Pollutants in Automotive and Gas Turbine Engines, Ignition Issues, Gasoline Direct Injection engines, R&D on Homogeneously-Charged Compression Ignition (HCCI) engines, and Liquid Injection Technologies. He has a PhD in Mechanical & Aerospace Engineering and Post-Doctoral Fellow (Princeton University), MS in Mechanical Engineering (Southern Methodist University, Summa Cum Laude), MS in Economics (Swiss Finance Institute, Magna Cum Laude), a senior member of American Institute of Aeronautics and Astronautics Propellant & Combustion Committee (2008-present), and is an Associate Fellow of American Institute of Aeronautics and Astronautics. Dr. Chehroudi acts as a reviewer for many scientific and engineering journals and publishers, has delivered over 200 presentations in technical meetings and to nontechnical audiences, over 20 technical reports (Princeton University, General Motors, Ford Motor Co, Department of Energy, NASA, Air Force Research Laboratory), five 600-plus-page monographs on combustion and emission of pollutants from mobile power plants, ignition technologies, liquid material injection, and nanotechnology,   two book chapters on propulsion system combustion instability and applications of graphene (a nanotech product) in ignition and combustion of fuels, ground-breaking patents on applications and synergy between nanotechnology, light, and chemical reaction for a light-activated distributed ignition of fuel-air mixtures, and has more than 150 publications with extensive experience in both scientific and management areas and intensive trainings in finance and financial engineering


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