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Madani, Seyed Mostafa, Alinejad, Javad, Rostamiyan, Yasser, Fallah, Keivan. (1402). Lattice Boltzmann simulation inside a cavity: The effect of pipe profile on natural convection. فناوری آموزش, 13(1), 67-74. doi: 10.22061/jcarme.2023.9454.2270
Seyed Mostafa Moafi Madani; Javad Alinejad; Yasser Rostamiyan; Keivan Fallah. "Lattice Boltzmann simulation inside a cavity: The effect of pipe profile on natural convection". فناوری آموزش, 13, 1, 1402, 67-74. doi: 10.22061/jcarme.2023.9454.2270
Madani, Seyed Mostafa, Alinejad, Javad, Rostamiyan, Yasser, Fallah, Keivan. (1402). 'Lattice Boltzmann simulation inside a cavity: The effect of pipe profile on natural convection', فناوری آموزش, 13(1), pp. 67-74. doi: 10.22061/jcarme.2023.9454.2270
Madani, Seyed Mostafa, Alinejad, Javad, Rostamiyan, Yasser, Fallah, Keivan. Lattice Boltzmann simulation inside a cavity: The effect of pipe profile on natural convection. فناوری آموزش, 1402; 13(1): 67-74. doi: 10.22061/jcarme.2023.9454.2270

Lattice Boltzmann simulation inside a cavity: The effect of pipe profile on natural convection

Journal of Computational & Applied Research in Mechanical Engineering (JCARME)
مقاله 6، دوره 13، شماره 1 - شماره پیاپی 25، آذر 2023، صفحه 67-74    اصل مقاله (929.79 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22061/jcarme.2023.9454.2270
نویسندگان
Seyed Mostafa Moafi Madani؛ Javad Alinejad* ؛ Yasser Rostamiyan؛ Keivan Fallah
Department of Mechanical Engineering, Sari Branch, Islamic Azad University, Sari, Iran
تاریخ دریافت: 12 آذر 1401،  تاریخ بازنگری: 04 اردیبهشت 1402،  تاریخ پذیرش: 09 اردیبهشت 1402 
چکیده
In the present study, the effect of the heating pipe profile on natural convection in a two-phase fluid inside a cavity has been investigated. This geometry has been simulated with the LB Method based on the D2Q9 model for analyzing stream lines, dimensionless velocity field of fluid flow, solid particles volume fraction, temperature arrangement, and Nusselt number. These parameters have been studied in three different cases of the cavity. The results are signified by changing the geometry from a horizontal ellipse to a circular one and a vertical ellipse;the maximum particle volume fraction is decreased. Also, by changing the geometry from a horizontal ellipse to a circular and vertical ellipse, larger velocity vectors have been formed around the geometry. The Nusselt number variations of circular and  vertical ellipse geometries are from 90⁰ to 270⁰. The Nusselt number variation of horizontal ellipse geometry is negligible from 90⁰ to 270⁰.  Also, the Nusselt number of the circular geometry is larger than the other geometries from 270⁰ to 90⁰. The highest average Nusselt number belongs to circular, vertical and horizontal ellipse geometries, respectively.
کلیدواژه‌ها
Lattice Boltzmann model؛ Fuel heating؛ Particle volume fraction؛ Two–phase fluid؛ Natural convection
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