نتایج جستجو برای: premixed combustion
تعداد نتایج: 32696 فیلتر نتایج به سال:
A probabilistic data-driven approach that models the filtered reaction rate in large-eddy simulation (LES) is investigated. We propose a novel framework incorporates conditional generative adversarial network and Gaussian mixture model to take into account statistical fluctuations are present LES of turbulent reacting flows due non-resolved subgrid structures, which cannot be predicted by purel...
Turbulent multi-phase combustion is encountered in a number of engineering applications, such as internal combustion engines and gas-turbine aircraft engines. Therefore, the ability to perform accurate numerical simulations of these systems is of paramount importance to improve their design and efficiency. However, the underlying physics of spray combustion are extremely complicated. The liquid...
Three-dimensional n-heptane spray flames in a swirl combustor are investigated by means of direct numerical simulation (DNS) to provide insight into realistic spray evaporation and combustion as well as relevant modeling issues. The variable-density, low-Mach number Navier–Stokes equations are solved using a fully conservative and kinetic energy conserving finite difference scheme in cylindrica...
Combustion is a natural phenomenon. It happens in forest, automotive engine and gas cooker. In Computational Fluid Dynamics (CFD), the combustion phenomenon complies with a set of partial differential equations. According to the resolution scale, from big to small, the simulation methods in combustion are Reynolds Averaged Navior Stokes method (RANS), Large Eddy Simulation (LES), and Direct Num...
The structure andextinctionbehaviorofpartiallypremixed ames ina counter owcon gurationare investigated by using ve different chemistry models. These include the C1 and C2 mechanisms of Peters and Rogg (Peters, N., and Rogg, B., Reduced Kinetic Mechanisms for Applications in Combustion Systems, Springer–Verlag, Berlin, 1993, pp. 8–12), a 12-step augmented reduced mechanism, andGRI-2.11 and...
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