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Parametric Optimization Through Numerical Simulation of VCR Diesel Engine
Abstract In the present study, the Variable Compression Ratio (VCR) engine was analyzed numerically using CONVERGE™ Computational Fluid Dynamics code in order to optimize the design/operating parameters such as Compression Ratio (CR), Start of Injection (SOI) and Exhaust Gas Recirculation (EGR). VCR engine was run for 100 % load to test its performance and it was validated for standard configuration. Simulations were performed by varying the design/operating parameters such as CR (18–14), SOI (17°–26° bTDC) and EGR (0–15 %) at constant fuel injection pressure of 230 bar and speed of 1500 rpm. The effect of each of these parameters on pressure, oxides of nitrogen (NOx) and soot are presented. Finally, regression equations were developed for pressure, NOx and soot by using the simulation results. The regression equations were solved for multi objective criteria in order to reduce the NOx and soot while maintaining the baseline performance. The optimized configuration was tested for validation and found satisfactory.
Parametric Optimization Through Numerical Simulation of VCR Diesel Engine
Abstract In the present study, the Variable Compression Ratio (VCR) engine was analyzed numerically using CONVERGE™ Computational Fluid Dynamics code in order to optimize the design/operating parameters such as Compression Ratio (CR), Start of Injection (SOI) and Exhaust Gas Recirculation (EGR). VCR engine was run for 100 % load to test its performance and it was validated for standard configuration. Simulations were performed by varying the design/operating parameters such as CR (18–14), SOI (17°–26° bTDC) and EGR (0–15 %) at constant fuel injection pressure of 230 bar and speed of 1500 rpm. The effect of each of these parameters on pressure, oxides of nitrogen (NOx) and soot are presented. Finally, regression equations were developed for pressure, NOx and soot by using the simulation results. The regression equations were solved for multi objective criteria in order to reduce the NOx and soot while maintaining the baseline performance. The optimized configuration was tested for validation and found satisfactory.
Parametric Optimization Through Numerical Simulation of VCR Diesel Engine
Ganji, Prabhakara Rao (author) / Mahmood, Al-Qarttani Abdulrahman Shakir (author) / Kandula, Aasrith (author) / Raju, Vysyaraju Rajesh Khana (author) / Rao, Surapaneni Srinivasa (author)
Journal of The Institution of Engineers (India): Series C ; 98 ; 485-491
2016-06-17
7 pages
Article (Journal)
Electronic Resource
English
Parametric Optimization Through Numerical Simulation of VCR Diesel Engine
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