Partially premixed prevalorized kerosene spray combustion in turbulent flow |
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Authors: | M Chrigui K Moesl W Ahmadi A Sadiki J Janicka |
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Affiliation: | 1. Institute for Energy and Powerplant Technology, TU Darmstadt, Petersenstr. 30, 64287 Darmstadt, Germany;2. Lehrstuhl für Thermodynamik, TU München, Boltzmannstr. 15, D-85747 Garching, Germany |
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Abstract: | A detailed numerical simulation of kerosene spray combustion was carried out on a partially premixed, prevaporized, three-dimensional configuration. The focus was on the flame temperature profile dependency on the length of the pre-vaporization zone. The results were analyzed and compared to experimental data. A fundamental study was performed to observe the temperature variation and flame flashback. Changes were made to the droplet diameter, kerosene flammability limits, a combustion model parameter and the location of the combustion initialization. Investigations were performed for atmospheric pressure, inlet air temperature of 90 °C and a global equivalence ratio of 0.7. The simulations were carried out using the Eulerian Lagrangian procedure under a fully two-way coupling. The Bray–Moss–Libby model was adjusted to account for the partially premixed combustion. |
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