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Fahrzeugantriebe (Automotive Powertrains) - Lecture Contents

 

Module No. 78020 “Grundlagen der Fahrzeugantriebe / Fundamentals of Automotive Powertrains(Bargende) WS:

I: Introduction; definition and divisioning; implementation examples; thermodynamic fundamentals; characteristic values.

II: Fuels; carburetion; ignition and combustion for the gasoline engine; carburetion, combustion and creation of pollutants for the diesel engine; charging change; supercharging; lubrication cycle; cooling.

III: Elecrification of automotive powertrains, hybrid concepts

IV: Dimensioning the internal combustion engine; engine dynamics; design elements; exhaust-gas emissions; noise emissions.

 

 

Module No. 33870 “Simulations- und Versuchstechnik für Verbrennungsmotoren / Simulation- and Measuring Technology on ICEs" (Bargende) SS:

 

  • Berechnung und Analyse innermotorischer Vorgänge / Calculation and Analysis of Processes inside the ICE (Bargende) SS:
    Introduction and overview; starting values of high-pressure calculation; theory of heat; heat transfer; pressure pattern analysis; process calculation for gasoline engines; process calculation for DI diesel engines; charge changing process calculation; summary.

 

  • Versuchs- und Messtechnik an Motoren / Experiment and Measuring Technology on ICEs (Bargende) SS:
    Engine experimental work in research and development and corresponding special test bench measuring technique; exhaust-gas and temperature measurement, pressure indication, paths, vibrations and noise measuring techniques.

 

 

Module No. 37750 "Berechnung und Analyse innermotorischer Vorgänge / Calculation and Analysis of Processes inside the Engine” (Bargende) SS:

nur für Maschinenbau / only Mechanical Engineering

 

 

Module No. 33170 “Motorische Verbrennung und Abgase / Engine Combustion and Emissions" (Schmidt) WS:

Combustion in ICEs: fundamentals; fuels; high and low temperature kinetics (e.g. on knock in Otto engines, Diesel- and HCCI engines); ignition processes; turbulence-chemistry interaktion (laminar and turbulent flame propagation), time and length scales of combustion.

Combustion in Otto and Diesel engines; emissions; emission reduction strategies and exhaust gas aftertreatment.


Module No. 33990 "Spezielle Kapitel der Verbrennungsmotorentechnik / Special Issues in Internal Combustion Engines"

Module No. 34030 "Spezielle Themen bei Verbrennungsmotoren / Special Topics in Internal Combustion Engines"

  • Motorische Verbrennung und Abgase / Engine Combustion and Emissions (Schmidt)
  • Versuchs- und Messtechnik an Motoren / Experiment and Measuring Technology on Engines (Bargende) SS (only in “Special Topics”)
  • Dynamik der Kolbenmaschinen / Dynamics of Piston Engines (Bauer) WS:
    Inertia forces and mass moments for piston engines for different cylinder arrangements. Rotational vibrations (replacement arrangements, suppression, measurement). Flywheel.
  • Abgase von Verbrennungsmotoren / Exhaust Gases of Internal Combustion Engines (Fußhoeller) SS:
    Mechanisms of pollutant formation, influences by engine paraeters, exhaust-gas aftertreatment.
  • Einspritztechnik / Injection Technology (Hammer) WS:
    Application areas; ratings; market and future requirements of diesel drives; fundamentals of diesel injection; overview and operating principles of diesel injection systems; distributor fuel injection pump; pump-jet system; common rail system; injection functions in the ECU; computational hydraulics simulation; electronic diesel control; diesel system optimization; fundamentals of gasoline engines and gasoline injection; gasoline multi-point injection; gasoline direct injection.
  • Motorsteuergeräte / ECUs (Pauer) SS:
    Why ECUs – target conflict; the mechatronic system – scope of functions; hardware design; software and operating system; sensor acquisition; actuator control; air control; fuel metering; ignition; exhaust emission control – untreated emission, exhaust-gas aftertreatment; immission reduction; on-board diagnostics - legal requirements, testing strategy, selected system diagnoses; communication – CAN, standards – protocols; safety and availability; application - tools and interface.
  • Kleinvolumige Hochleistungsmotoren / Small-Displacement High-Performance Engines (Zahn) WS:
    Requirements for the drives of handheld working tools, e.g. chain saws; small-displacement high-performance two-cycle engine; constructions and examples for conventional small-displacement two-cycle engines; construction and examples for low-emitting small-displacement two-cycle engines; carburetion and ignition; the small-displacement high-performance four-cycle engine; air/fuel mixture-lubricated and separately lubricated small-displacement four-cycle engines; practical applications and special developments.
  • Sport- und Rennmotorentechnik / Motorsport and Racing Engine Technology (Wichelhaus) SS:
    Overview of the current status of engine technology in Formula 3, DTM and Formula 1 as well as for diesel engines in motorsports with respect to dimensioning and development processes.
  • Interkulturelles Engineering/Intercultural Engineering (Weber) SS:
    1. Systems of internal combustion engines: What is it, why consider it, practical examples, status and future.
    2. Project management: What is it required for, cooperation of different disciplines and mentalities, creating a common understanding.
    3. Culture: Influence of parent culture of engineers on the way of thinking and cooperation in multi-disciplinary working teams.
  • Ausgewählte Kapitel der Dieselmotorentechnik / Selected Chapters of Diesel Engine Technology (Thiemann) SS:
    Economic importance; operating process; examples of implemented engines; development trends; crankcase; design and support of the crankshaft; connecting rod; piston; cylinder head; combustion chamber; vacuum and exhaust systems; supercharging; progressive development processes.
  • Numerische Behandlung motorischer Verbrennungsvorgänge / Numerical Treatment of Engine Combustion (Schmidt/Grill) SS:
    3D-CFD, mathematical modelling (of e.g. turbulence, turbulence-chemistry interaction, …) numerical methods; 1D and quasi-dimensional modelling
  • Hybridantriebe / Hybrid Propulsion Systems< (Noreikat) SS:
    General conditions for hybrid propulsion systems. Presentation of the different types of hybrid propulsion systems (Parallel, Serial, Power split, Plug In, Range Extender, General electromobility) Operational requirements on the key components: internal combustion engine, electric motor, power electronics and battery. Introduction to operating strategy for optimal fuel efficiency and comfort. Presentation of completed hybrid vehicles.
  • Elektrochemische Energiespeicherung in Batterien / Electrochemical Energy Storage in Batteries (Friedrich) WS:
    Fundamentals: electrochemical thermodynamics and kinetics; primary systems (alkaline-manganese, zinc-air), secondary systems (lead, lithium ions); electric vehicles, hybrid vehicles, portable and stationary applications, systems technology, safety technology, production and disposal.

Module No. 38370 “Grundlagen der Kraftfahrzeugantriebe / Fundamentals of Automotive Vehicle Drives (Fußhoeller) WS:

Alternative and conventional motor vehicle drives, development trends (environmental protection, fuel consumption). carburetion, combustion, exhaust emission control and consumption reduction for gasoline and diesel engines. Stratified charge engines. Cooling, lubrication, engine noise, ancillary components.

(Note.: exam not allowed for FMT and mechanical engineering students)

Module No. 39130 “Engine Combustion and Emissions” (Schmidt) WS:

Fundamentals of combustion and thermodynamics related to engine combustion

Fuels

Combustion of spark ignited engines (Otto-engines): combustion, ignition, flame propagation, turbulence effects, knock

Combustion in Diesel-engines: combustion, turbulence effects, autoignition, spray combustion

Combustion in HCCI-engines, low-temperature kinetics

Exhaust gases in Otto-engines: emissions and aftertreatment

Exhaust gases in Diesel-engines: emissions and aftertreatment

(Note.: exam not allowed for FMT and mechanical engineering students)