The Institute of Reciprocating Engines (Institut
für Kolbenmaschinen, IFKM) at the Karlsruhe In-
stitute of Technology (KIT) has worked for many
years on various issues involving combustion
engine improvement. As a matter of fact, com-
bustion engines will continue as an essential
element of partially electric drive-trains (range
extender, serial hybrid). In the development of
combustion processes, for example, we optimise
in-engine processes to reduce fuel consumption
and polluting emissions. This always requires
the consideration of existing exhaust gas treat-
ment systems as they strongly interact with the
combustion engine. These issues are examined
at IFKM as well. For this, IFKM carries out exper-
imental examinations at state-of-the-art com-
bustion engine test stations. This includes, in ad-
dition to comprehensive exhaust gas analyses,
various endoscopic optical analysis methods
which are minimally invasive and can be used in
series engines too. Combustion engines are also
simulated using the latest calculation methods
in order to interpret experimental data in more
detail and make forecasts for modified operating
conditions. Combining combustion engines with
electric motors means a significant change in
the operating conditions of engines because, for
example, the more frequent start and stop oper-
ations may lead to unfavourable conditions for
exhaust gas catalytic converters.
Prof. Dr. sc. techn. Thomas Koch
Phone: +49 721 608 42431
Fax: +49 721 608 48519
Karlsruhe Institute of Technology (KIT) –
Institute of Reciprocating Engines
Rintheimer Querallee 2
76131 Karlsruhe, Germany
no comBustion engine? no Way
Electric mobility as a combination of combustion engine and electric motor
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