• Gunnar Stiesch
Part of the Heat and Mass Transfer book series (HMT)


In the above text the state of the art in modeling in-cylinder processes of internal combustion engines has been presented and discussed. The development and application of such mathematical formulations is of great importance in today’s research and development of combustion engines for several reasons. Firstly, simulation models, that have been properly adjusted to a specific range of boundary conditions, can be utilized to execute extensive parametric studies. In this context, simulation models are much more time and cost efficient than the alternative execution of experiments. Secondly, and maybe most importantly, numerical simulation tools can provide detailed information about any process variable at any point in time and space, that would be impossible to obtain with the sole execution of experiments. Consequently, a much better basis for the interpretation of complex results will be available, if both numerical and experimental studies are conducted in parallel. This aspect is of special importance, as combustion engines become more and more sophisticated and the task of further improving their performance becomes more and more complex. Last but not least, numerical simulations allow to perform conceptual studies with extreme boundary conditions, that could not be realized in experiments because of either too large or too small length and time scales, or because a dangerous outcome prohibits the execution of the respective experiment.


Combustion Chamber Heat Release Rate Internal Combustion Engine Combustion Model Homogeneous Charge Compression Ignition 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Gunnar Stiesch
    • 1
  1. 1.Instit. f. Technische VerbrennungUniverstät HannoverHannoverGermany

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