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Evaluation of the flamelet/progress-variable approach and flamelet-generated manifolds method in laminar counter-flow diffusion flame
journal contributionposted on 21.09.2021, 10:02 by Yohsuke Matsushita, Ryoma Ozawa, Shota Akaotsu, Yoshiya Matsukawa, Yasuhiro Saito, Hideyuki Aoki, Weeratunge MalalasekeraWeeratunge Malalasekera
To evaluate characteristics of the Flamelet/Progress-Variable approach (FPV) and Flamelet-Generated Manifolds method which can consider a detailed chemical reaction mechanism, a combustion simulation was performed in a laminar counter-flow diffusion flame. While the numerical solutions of the FPV reproduced the measurements and almost completely agreed with those of the detailed chemical reaction mechanism, the numerical solutions of the FGM method overpredicted the measurements of CO mole fraction and underpredicted the ones of CO2 especially in fuel-rich region, and differed from those of the detailed chemical reaction mechanism. This is because the flamelet table of the FGM indicates the state close to chemical equilibrium and overpredicts dissociation of CO2 when the combustion reaction sufficiently progresses.
JSPS KAKENHI Grant Number 18K03964
- Mechanical, Electrical and Manufacturing Engineering