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Numerical Simulation on the Effect of Damper Opening Angle in Square Duct Elbow 90-Degrre
Luthfi Hakim; Erna Tri Asmorowati

Universitas Islam Majapahit


Abstract

New results in the form of velocity distribution in the square duct elbow 90-degree have been obtained from the simulation results. The flow characteristics through which are analyzed using commercial CFD software. The Reynolds averaged Navier Stokes (RANS) equation will be solved numerically using the finite difference method and using the SIMPLE algorithm. The test model to be used in this study is square duct which is installed in the inlet section 90-degre elbow with a double damper placed at a distance offrac{x}{D_{h}}=2 after out late elbow. In this paper, the effect of the damper opening angle on the velocity profile on the 90-degree square duct is simulated in simulation at the opening angle of 30-degree clockwise direction and 30-degree counter-clockwise direction. The simulation results in the form of velocity profile distribution in each position are shown through the graph and obtained a maximum velocity magnitude value of 26.143 m/s which is exactly the place of the damper.

Keywords: Double damper, velocity profile, square duct

Topic: Applied Mathematics

Link: https://ifory.id/abstract/GAcNZzbLx2ad

Conference: International Seminar on Applied Mathematics and Mathematics Education (ISAMME 2019)

Plain Format | Corresponding Author (Luthfi Hakim)

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