Search for dissertations about: "qssa"
Found 3 swedish dissertations containing the word qssa.
-
1. Automatic Analysis and Reduction of Reaction Mechanisms for Complex Fuel Combustion
Abstract : This work concentrates on automatic procedures for simplifying chemical models for realistic fuels using skeletal mechanism construction and Quasi Steady-State Approximation (QSSA) applied to detailed reaction mechanisms. To automate the selection of species for removal or approximation, different indices for species ranking have thus been proposed. READ MORE
-
2. Homogeneous Ignition - Chemical Kinetic Studies for IC-Engine Applications
Abstract : Calculations on a Homogeneous Charge Compression Ignition (HCCI) engine have been performed. Zero-dimensional models were used. The simplest model compressed the gas to auto-ignition, using temperature and pressure at a certain crank angle position obtained from engine experiments. READ MORE
-
3. Automatic Reduction Procedures for Chemical Mechanisms in Reactive Systems
Abstract : To deal with complex physical and chemical processes in reactive systems, such as combustion processes, it is necessary to find methods that simplify modelling in such a way that it becomes both more comprehensible and practically useful. In the work reported here a method for automatically reducing chemical reaction mechanisms has been developed for use in computer simulations of various combustion systems. READ MORE