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Browsing Research Repository by Author "Barbhuiya, Suleman Hussain"

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    Numerical Investigation Of Spray And Combustion Of Gasoline And Diesel Engine Using Adaptive Mesh Refinement
    (Department of Mechanical Engineering, NITS, 2020) Barbhuiya, Suleman Hussain
    In recent years there has been growing requirement to develop more efficient engines and minimizing engine emissions in a shorter timescale. This is mainly due to increasing demand for fuel economy and tightening legislation for emissions. Computational Fluid Dynamics (CFD), as a rapid and cost effective tool, is being increasingly used in different stages of engine design and optimization. Internal-Combustion (IC) engine performance and emission characteristics are strongly determined by the complex interacting processes of in-cylinder flow, fuel spray injection and combustion. The combustion and spray process plays an important role in engine performance, emission and is therefore attracting great attention in CFD simulations. The complexity involved in IC engine combustion related to interaction of flow, turbulence and spray imposes a greater challenge in simulating combustion using CFD, whereas using CONVERGE software, these above issues can be tackled rapidly and accurately. CONVERGE utilizes the SAGE detailed chemistry solver for modeling the ignition and combustion processes. The present work considers the simulation of gasoline and diesel engine with the help of a CFD package, CONVERGE. Numerical simulation has been carried out to predict the spray breakup and combustion model using adaptive mess refinement (AMR).