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Vakhshouri, Mir Elyad, ÇUhadaroğlu, Burhan. (1400). A CFD analysis of the effects of injection and suction through a perforated square cylinder on some thermo-fluid parameters. فناوری آموزش, 11(1), 23-33. doi: 10.22061/jcarme.2020.6694.1852
Mir Elyad Vakhshouri; Burhan ÇUhadaroğlu. "A CFD analysis of the effects of injection and suction through a perforated square cylinder on some thermo-fluid parameters". فناوری آموزش, 11, 1, 1400, 23-33. doi: 10.22061/jcarme.2020.6694.1852
Vakhshouri, Mir Elyad, ÇUhadaroğlu, Burhan. (1400). 'A CFD analysis of the effects of injection and suction through a perforated square cylinder on some thermo-fluid parameters', فناوری آموزش, 11(1), pp. 23-33. doi: 10.22061/jcarme.2020.6694.1852
Vakhshouri, Mir Elyad, ÇUhadaroğlu, Burhan. A CFD analysis of the effects of injection and suction through a perforated square cylinder on some thermo-fluid parameters. فناوری آموزش, 1400; 11(1): 23-33. doi: 10.22061/jcarme.2020.6694.1852

A CFD analysis of the effects of injection and suction through a perforated square cylinder on some thermo-fluid parameters

Journal of Computational & Applied Research in Mechanical Engineering (JCARME)
مقاله 3، دوره 11، شماره 1، آذر 2021، صفحه 23-33    اصل مقاله (1008.11 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22061/jcarme.2020.6694.1852
نویسندگان
Mir Elyad Vakhshouri* ؛ Burhan ÇUhadaroğlu
Department of Mechanical Engineering, Karadeniz Technical University, Trabzon, 61080, Turkey
تاریخ دریافت: 08 فروردین 1399،  تاریخ بازنگری: 24 آبان 1399،  تاریخ پذیرش: 04 آذر 1399 
چکیده
The effects of uniform injection and suction through the surfaces of a perforated square cylinder on the vortex shedding, heat transfer and some aerodynamic parameters have been investigated numerically. The finite-volume method has been used for solving the Navier-Stokes equations for incompressible and turbulent near-wake flow ( ) with the k-ɛ turbulence model equations. To find the optimum conditions, the effects of injection and suction through the front surface (case Ⅰ), the rear surface (case Ⅱ), top-bottom surfaces (case Ⅲ) and all surfaces (case Ⅳ) with various injection/suction coefficient G  are studied. The results reveal that parameters such as pressure and drag coefficients and Nusselt number are influenced drastically in some cases as well as flow field parameters. For instance, the maximum reduction of the drag coefficient occurs at case Ⅳ while the maximum increase and reduction of Nu number occur at  for all cases about 46% and 32%, 61% and 63%, 92% and 60% and 180% and 115% for cases Ⅰ, Ⅱ, Ⅲ and Ⅳ respectively.
کلیدواژه‌ها
Injection and suction؛ Perforated square cylinder؛ Heat transfer؛ Turbulent flow
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