High-Performance Computing and Analysis-Led Development of High Efficiency Dilute Opposed Piston Gasoline Engine
| العنوان: | High-Performance Computing and Analysis-Led Development of High Efficiency Dilute Opposed Piston Gasoline Engine |
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| المؤلفون: | K. Dean Edwards, Charles E. A. Finney, Sumilan Banerjee, Clayton Naber, Michael A. Willcox |
| المصدر: | Journal of Engineering for Gas Turbines and Power. 140 |
| بيانات النشر: | ASME International, 2018. |
| سنة النشر: | 2018 |
| مصطلحات موضوعية: | business.industry, 020209 energy, Mechanical Engineering, Automotive industry, Energy Engineering and Power Technology, Aerospace Engineering, 02 engineering and technology, Supercomputer, Combustion, Automotive engineering, law.invention, Piston, 020303 mechanical engineering & transports, Fuel Technology, 0203 mechanical engineering, Nuclear Energy and Engineering, law, 0202 electrical engineering, electronic engineering, information engineering, Fuel efficiency, Environmental science, Exhaust gas recirculation, Engineering simulation, business, Petrol engine |
| الوصف: | Pinnacle is developing a multicylinder 1.2 L gasoline engine for automotive applications using high-performance computing (HPC) and analysis methods. Pinnacle and Oak Ridge National Laboratory executed large-scale multidimensional combustion analyses at the Oak Ridge Leadership Computing Facility to thoroughly explore the design space. These HPC-led investigations show high fuel efficiency (∼46% gross indicated efficiency) may be achieved by operating with extremely high charge dilution levels of exhaust gas recirculation (EGR) at a light load key drive cycle condition (2000 RPM, 3 bar brake mean effective pressure (BMEP)), while simultaneously attaining high levels of fuel conversion efficiency and low NOx emissions. In this extremely dilute environment, the flame propagation event is supported by turbulence and bulk in-cylinder charge motion brought about by modulation of inlet port flow. This arrangement produces a load and speed adjustable amalgamation of swirl and counter-rotating tumble which provides the turbulence required to support stable low-temperature combustion. At higher load conditions, the engine may operate at more traditional combustion modes to generate competitive power. In this paper, the numerical results from these HPC simulations are presented. Further HPC simulations and test validations are underway and will be reported in future publications. |
| تدمد: | 1528-8919 0742-4795 |
| DOI: | 10.1115/1.4039845 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::4100e7dbf3417e69a840542db97de806 https://doi.org/10.1115/1.4039845 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi...........4100e7dbf3417e69a840542db97de806 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 15288919 07424795 |
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| DOI: | 10.1115/1.4039845 |