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Iranian Journal of Mechanical Engineering Transactions of the ISME، جلد ۲۳، شماره ۱، صفحات ۱۲۲-۱۴۶
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عنوان انگلیسی Investigation of the Effects of Temperature, Mass Flow Rate of the Injected Fuel, Pore Diameter, Porosity and Ambient Pressure on the Amount of Pollutants in the Combustion Chamber
چکیده انگلیسی مقاله Environmental pollutants such as soot, nitrogen oxides, and carbon monoxide are the main demerits of fossil fuels. Therefore, it is imperative to control the air pollutants in order to provide a clean and pleasant environment. In the present study, the effects of temperature, mass flow rate of the injected fuel, pore diameter, porosity and ambient pressure on the amount of pollutants are investigated in the combustion chamber. The combustion process is numerically simulated by employing Species Model at species transport mode of operation. Discrete Phase Model is used to predict flow field behavior by considering the interaction between liquid and gas phases. Also, the flow is simulated under turbulent regime with the diffusive flame in the combustion process. Results show that increasing the heat transfer in porous medium leads to the decrease in the gas temperature and NOX formation. The production of unburnt hydrocarbon species like carbon monoxide decreases due to a better pre-heating process in the porous medium. Increasing the diameter of pores slightly reduces the amount of carbon monoxide, while the amount of nitrogen monoxide surges up.
کلیدواژه‌های انگلیسی مقاله Diffusive flame,Urea solution,pollutants,Pore diameter,Porosity
نویسندگان مقاله M. Yadegari |
PhD., Department of Mechanical Engineering, K.N. Toosi University, Tehran, Iran

M. Ghassemi |
Professor, Department of Mechanical Engineering, K.N. Toosi University, Tehran, Iran

نشانی اینترنتی https://jmee.isme.ir/article_253536_567a91701ca800d2e1e39846a4d6a45f.pdf
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