Nominal parameter set

Fig. 5.23 Local sensitivity coefficients of the laminar flame velocity of a stoichiometric methane-air flame. Grey stripes refer to the local sensitivity coefficients at the nominal parameter set During the Monte Carlo analysis, the local sensitivity coefficients were calculated for each parameter set, which allowed the calculation of the standard deviation of the sensitivity coefficients small bars interconnected with a horizontal line) and the attainable minimum and maximum sensitivity coefficients at any parameter set within the uncertainty limits of parameters (outer larger bars). Adapted with permission from Z or et al. (2005b). Copyright (2005) American Chemical Society...

Zsely et al. (2003) performed numerical experiments to investigate this consequence of global similarity. Initially the concentration profiles were calculated for simulations of the adiabatic explosion of a stoichiometric hydrogen-air mixture using a nominal parameter set based on the values recommended by Baulch et al. (2005). Local sensitivity analysis was then used to select those parameters with the largest influence oti the simulated species concentrations based on a study of A-factors for the reaction rate coefficients. Five reactions were selected as dominating the influence on the calculated concentrations. At the next stage, the... 

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