Natural Convection Fluid Flow and Heat Transfer a Square Cavity with a Heated Triangular Obstacle Using Finite Element Method

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Mohebbi Rasul

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Journal Paper

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Journal: Modeling in Engineering Year:2019 | Volume:16 | Issue:55 Page(s): 361-373

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Information Journal Paper

Title

Natural Convection Fluid Flow and Heat Transfer a Square Cavity with a Heated Triangular Obstacle Using Finite Element Method

Author(s)

Mohebbi Rasul | Issue Writer Certificate

Keywords

Triangular ObstacleQ1

finite element methodQ2

Natural convectionQ2

Square CavityQ1

Abstract

In this paper, Natural convection heat transfer in a closed Square Cavity with a hot Triangular Obstacle at temperature TH simulated by finite element method. The top and the bottom walls are insulated while the left and the right walls are maintained at a constant temperature Tc (TH> Tc). The used method is validated against the existing numerical results and an excellent agreement between the results was found. The flow is assumed to be two-dimensional and air is chosen as a working fluid. The effect of different parameters such as Rayleigh number (Ra =103, 104, 105, 106), different position of obstacle inside cavity (H=L=0. 1, 0. 4, 0. 7) and different angle of obstacle (θ '=00, 900, 1800, 2700) at different aspect ratio (AR =0. 2, 0. 4, 0. 6, 0. 8) on fluid flow and heat transfer inside the channel are investigated. The results showed that by increasing the Rayleigh number and increment of aspect ratio, the rate of heat transfer is increased. Also, enhancement the distance of obstacle from left and bottom walls of cavity, lead to decrement rate of heat transfer and the maximum values of mean Nusselt number are shown respectively at angles of 0, 90, 270, 180 degrees.

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APA: Copy

Mohebbi, Rasul. (2019). Natural Convection Fluid Flow and Heat Transfer a Square Cavity with a Heated Triangular Obstacle Using Finite Element Method. JOURNAL OF MODELING IN ENGINEERING, 16(55 ), 361-373. SID. https://sid.ir/paper/395410/en

Vancouver: Copy

Mohebbi Rasul. Natural Convection Fluid Flow and Heat Transfer a Square Cavity with a Heated Triangular Obstacle Using Finite Element Method. JOURNAL OF MODELING IN ENGINEERING[Internet]. 2019;16(55 ):361-373. Available from: https://sid.ir/paper/395410/en

IEEE: Copy

Rasul Mohebbi, “Natural Convection Fluid Flow and Heat Transfer a Square Cavity with a Heated Triangular Obstacle Using Finite Element Method,” JOURNAL OF MODELING IN ENGINEERING, vol. 16, no. 55 , pp. 361–373, 2019, [Online]. Available: https://sid.ir/paper/395410/en

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