A data reduction tool was developed to conveniently post-process spherical constant volume flame experiments. Such experiments are employed to obtain laminar flame velocities in a premixed gas mixture. The setup is relatively simple and the only recorded physical quantities are pressure and time. Under various model assumption this so called pressure trace can be used to deduce the flame velocity. Many such models with different levels of complexity are available in the literature. One category of models are the shell models where the vessel content is divided in grid shells and the flame history is reconstructed employing physical models. Three of those shell models are implemented in the present tool. This technical note describes the installation and provides a user guide with additional details about the models and the algorithms. Its purpose is to help users efficiently use the tool and obtain physically meaningful results.
A gas-phase chemical kinetic model for the combustion of C1-C3 fluorine-containing refrigerants is presented, including a list of relevant species, their thermodynamic and transport properties, and the Arrhenius parameters for their reactions. Also included are tables of available experimental data in the literature for the laminar burning velocities for these HFC refrigerants and their mixtures. A comparison is made between the experimental data and predicted burning velocities as a function of the fuel-air equivalence ratio for the refrigerants. The model has been developed for the refrigerants: R-32, R-125, R-134a, R-152a, R-143, R-143a, R-1234yf, R-1234ze(E), R-1243zf and their mixtures. Agreement between predicted and measured burning velocity is very good for most of the refrigerant mixtures, and reasonably good agreement for a few.
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