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International Journal of Engineering، جلد ۲۶، شماره ۱۲، صفحات ۱۴۲۳-۱۴۳۲
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Investigation of Air Turbulence Intensity Effect on the Flame Structure in Different Flame Holder Geometry |
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| چکیده انگلیسی مقاله |
In this paper, the effect of air turbulence intensity on the flame structure in various radii and lengths of a flame holder numerically studied. Finite volume method is used to solve the governing equations. The obtained numerical results using realizable k-ε and β-PDF models show a good agreement with the experimental data. The results show that flame holder with greater lengths yield shorter flame lengths and higher flame temperature. Also, it is observed that by increasing flame holder radius, flame length slightly decreases at first and then it increases. When holder radius increases, flame temperature increases at first and thereafter decreases. The obtained results indicate that increasing air turbulence intensity results in considerable decrease in flame length, flame temperature, NO formation and temperature gradient in the flame zone. |
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| کلیدواژه‌های انگلیسی مقاله |
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| نویسندگان مقاله |
Kiumars Mazaheri Body |
Department of Mechanical Engineering, Tarbiat Modarres University
Najmeh Hajialigol |
Department of Mechanical Engineering, Kashan University
Seyed Abdolmehdi Hashemi |
Mechanical Engineering, University of Kashan
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| نشانی اینترنتی |
http://www.ije.ir/article_72213_abd7e895999e69b88b4114a8c9a75b98.pdf |
| فایل مقاله |
اشکال در دسترسی به فایل - ./files/site1/rds_journals/409/article-409-2062812.pdf |
| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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