Determination of the Effect of Physical Characteristics of Fuel and Geometry on the Distribution of Combustion Temperature and Flow through a Numerical Simulation

سال انتشار: 1397
محل انتشار: سومین کنفرانس بین المللی مهندسی مکانیک و هوافضا
کد COI اختصاصی: MECHAERO03_323
زبان مقاله: انگلیسی
تعداد مشاهده: 687

نویسندگان

MSc Student of Mechanical Engineering, Faculty of Engineering, Islamshahr Branch, Islam Azad University,Islamshahr, Iran.

Habib Ollah Mehrjou

PhD, Assistant Professor, Islamshahr Branch, Islamic Azad University, Islamshahr, Iran.

چکیده

The temperature pattern and flow in the combustion chamber play an important role in reducing pollution and increasing the efficiency of the chamber. Therefore, to investigate the issue, Fluent software is used to simulate combustion and to study the effect of effective parameters such as the type of fuel, the combustion chamber geometry, and the effects of the angle The torque of the rotary air flow of the combustion circuit has been studied. In the study of the angular momentum of the entrance angle of 45, 50, 55 and 60, a small vortex is created at 45 degrees. By increasing the angle to 55 degrees, this vortex is eliminated due to the dual flow of the rotary air, but at 60 degrees the vortex In addition, in determining the effect of the type of fuel, hexane, butane and octane have been used. The octane fuel generates a shorter but hotter flame, and the butane temperature is less than hexane, but generates a larger flame width. The main distinction is the variety of combustion chamber geometry at the beginning and at the end, which causes major changes in the flow pattern.

کلیدواژه ها

Gas turbine combustion chamber , Numerical simulation, Efficiency, Steam injection, NOx Pollutant Reduction

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