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Modeling of HCCI Combustion Using Adaptive Chemical Kinetics
Technical Paper
2002-01-0426
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In this paper an online method for automatically reducing complex chemical mechanisms for simulations of combustion phenomena has been developed. The method is based on the Quasi Steady State Assumption (QSSA). In contrast to previous reduction schemes where chemical species are selected only when they are in steady state throughout the whole process, the present method allows for species to be selected at each operating point separately generating an adaptive chemical kinetics. The method is used for calculations of a natural gas fueled engine operating under Homogenous Charge Compression Ignition (HCCI) conditions. We discuss criteria for selecting steady state species and the influence of these criteria on the results such as concentration profiles and temperature.
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Citation
Løvås, T., Mauss, F., Hasse, C., and Peters, N., "Modeling of HCCI Combustion Using Adaptive Chemical Kinetics," SAE Technical Paper 2002-01-0426, 2002, https://doi.org/10.4271/2002-01-0426.Also In
Homogeneous Charge Compression Ignition (Hcci) Combustion 2002
Number: SP-1688; Published: 2002-03-04
Number: SP-1688; Published: 2002-03-04
References
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