Search Results - "Rahnama, Pourya"

Combining flamelet-generated manifold and machine learning models in simulation of a non-premixed diffusion flame by Li, Kaimeng, Rahnama, Pourya, Novella, Ricardo, Somers, Bart

“…•The performance of a hybrid FGM/Machine learning combustion model was studied.•The model was implemented for an n-dodecane counterflow diffusion flame.•The…”
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Generalizing progress variable definition in CFD simulation of combustion systems using tabulated chemistry models by Rahnama, Pourya, Maghbouli, Amin, Bao, Hesheng, Vasavan, Aromal, Novella, Ricardo, Somers, Bart

“…•Generalization of progress variable definition in a tabulated model was studied.•The model was implemented in both 1D and 3D solver.•Significant improvement…”
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Combining artificial neural network and multi-objective optimization to reduce a heavy-duty diesel engine emissions and fuel consumption by Kakaee, Amir-Hasan, Rahnama, Pourya, Paykani, Amin, Mashadi, Behrooz

“…Nondominated sorting genetic algorithm II (NSGA-II) is well known for engine optimization problem. Artificial neural networks (ANNs) followed by…”
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Heat transfer and entropy generation study of non-Darcy double-diffusive natural convection in inclined porous enclosures with different source configurations by Siavashi, Majid, Bordbar, Vahid, Rahnama, Pourya

“…•Double-diffusive natural convection of 2-phase flow in a porous cavity is studied.•Results are presented for different Darcy, Rayleigh and Lewis…”
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A numerical study of the effects of using hydrogen, reformer gas and nitrogen on combustion, emissions and load limits of a heavy duty natural gas/diesel RCCI engine by Rahnama, Pourya, Paykani, Amin, Reitz, Rolf D.

“…•Effect of H2, syngas, and H2+N2 mixture on NG/diesel RCCI combustion was studied.•The use of H2 and syngas can improve the combustion of RCCI engine at low…”
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Reactivity controlled compression ignition engine: Pathways towards commercial viability by Paykani, Amin, Garcia, Antonio, Shahbakhti, Mahdi, Rahnama, Pourya, Reitz, Rolf D.

“…•COM-based models can control CA50 for different RCCI engine transient conditions.•Single-fuel RCCI operation with biofuels is a promising way to commercialize…”
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A numerical study of the effects of reformer gas composition on the combustion and emission characteristics of a natural gas/diesel RCCI engine enriched with reformer gas by Rahnama, Pourya, Paykani, Amin, Bordbar, Vahid, Reitz, Rolf D.

“…•Shortened ignition delay and advanced CA50 were obtained with higher CO content.•RI and PRR were increased significantly with increasing CO fraction in the…”
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Effects of diesel injection strategy on natural gas/diesel reactivity controlled compression ignition combustion by Paykani, Amin, Kakaee, Amir-Hasan, Rahnama, Pourya, Reitz, Rolf D.

“…The effects of diesel injection strategies on the combustion and pollutant emission characteristics of a modified heavy-duty reactivity controlled compression…”
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A Time-Saving Methodology for Optimizing a Compression Ignition Engine to Reduce Fuel Consumption through Machine Learning by Rahnama, Pourya, Arab, Majid, Reitz, Rolf D.

“…Applying a suitable design optimization technique is a crucial task for optimizing compression ignition engines because of the time-consuming process of…”
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Influence of fuel composition on combustion and emissions characteristics of natural gas/diesel RCCI engine by Kakaee, Amir-Hasan, Rahnama, Pourya, Paykani, Amin

“…The effects of natural gas composition and engine speed on combustion and emissions characteristics of an RCCI engine fuelled with natural gas/diesel at engine…”
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