نتایج جستجو برای: si engine
تعداد نتایج: 145642 فیلتر نتایج به سال:
The three phase catalyst is popularly employed in modern engines for exhaust control and its catalytic efficiency is determined by the Air-Fuel ratio (A/F). In this paper, individual A/F control problem is addressed for a multi-cylinder SI engine, of which one exhaust pipe is shared by many cylinders. Firstly, an overlap model to describe the dynamics from individual fuel injection to A/F value...
The U.S. Department of Energy Gasoline/Diesel PM Split Study examined the sources of uncertainties in using an organic compound-based chemical mass balance receptor model to quantify the contributions of spark-ignition (SI) and compression-ignition (CI) engine exhaust to ambient fine particulate matter (PM2.5). This paper presents the chemical composition profiles of SI and CI engine exhaust fr...
An investigation of the need of engine model complexity for use in powertrain control applications is presented in this paper. The engine studied is an SI-engine, but the analysis methods could easily be adapted to a CI-engine. The different engine models investigated are a cylinder-by-cylinder engine model and a mean value engine model. The way to evaluate the engine models is to compare the d...
The depletion rate of conventional petroleum fuels is very fast. Gasoline used as fuel in the SI engine. Emissions from this cause environmental pollution because it produces harmful emissions for environment such CO2, CO, HC, and NOx. Liquefied gas (LPG) has physical chemical properties that make a favorable IC engines. It can be alone or combined with gasoline some minor engine modifications....
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