Engines and fuel cells

ME-551

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Course summary


10 September

Engines: Lecture 1 (General Introduction)

Structure of the engines course.

Operating principles.

Main engine components.

Main material flows in engine



17 September

Engines: Lecture 2 (Thermodynamic cycles)

P-v diagramm

Adiabatic compression; Cp/Cv

Ideal cycles: Otto, Diesel, Dual cycle

Real cycles: differences to ideality


24 September

Engines: Lecture 3 (Terminology and Key parameters)

Power - Torque - Mean pressure - Efficiency - Specific fuel consumption

Load (torque) vs engine speed : full load/part load

Engine operating map (brake mean effective pressure vs. engine speed (rpm))


1 October

Engines: Lecture 4 (Diesel Engines)

Diesel fuel properties

Fuel injection systems

Load regulation (full load / part load)

Energy balance


8 October

Engines: Lecture 5 (Otto Engines)

Gasoline fuel properties

Fuel stratified injection

Load regulation (full load / part load)

Comparison with Diesel



15 October

Emissions and treatment

Origin of pollutants (combustion) - CO, HC, NOx, PM

Emission standards (cars, trucks, gasoline/diesel)

Treatment methods (4) in the combustion chamber

Exhaust after-treatment methods (4)



22 October (no lecture)


29 October

Fuel Cells: Lecture 1

General introduction

Operating principles

Five families (types ) of fuel cells

Literature : Fuel Cell Handbook Dpt of US Energy - downloadable pdf




5 November

Midterm test on Engines
16h15 - 17h closed book


12 November

Fuel Cells: Lecture 2

Thermodynamics, Gibbs free enthalpy, Nernst voltage, Nernst equation. Electrochemical voltage series.

Kinetics, losses (ohmic/non-ohmic), overpotential, Butler-Volmer charge transfer equation, mass transport loss.

Efficiency



19 November

Fuel Cells : Lecture 3

Syngas - which fuels for which fuel cell

CO poisoning on platinum with low T fuel cells

Carbon deposition with high T fuel cells

Steam reforming, partial oxidation, shift reaction

Fuel impurities, cleaning

Biofuels



26 november


FC Lecture 4 :
specifics per fuel cell type (AFC, PEFC, PAFC, MCFC, SOFC)

3 December


Fuel Cells  Lecture 5

Fuel Cell systems

car, bus, portable device, stationary cogeneration device,...

Case study of an integrated fuel cell microturbine hybrid system



10 December

Specific aspects per fuel cell typology

17 December

Written Exam Fuel Cells 45' start 16h15

Closed book