Use of One and Two Horizontal Plates to Reduce the Drag Force on the Rigid Cylinder Located Inside the Channel: Approach of the Immersed Interface Method

• Autorzy: Alizadeh As’ad , Jafarmadar Samad , Zekri Hussein Jebrail

Identyfikatory

DOI

10.12913/22998624/111803

• Języki publikacji: EN

Abstrakty

EN

Immersed interface method is a non-matching boundary approach that has been taken into consideration in recent years. In this method, there is no need to coincide between the fluid and the solid grids. Eulerian grid is used for fluid domain and Lagrangian grid is used for solid domain. Using the Dirac Delta function, the connection between these two grids is established. Separation of the flow from the cylinder surface causes a high pressure drop in some parts of the cylinder, resulting in a dramatic increase in drag force. Drag force reduction is very important in some engineering issues, and several methods have been proposed to achieve this goal. In this study, the flow around a rigid cylinder is simulated. The goal is to reduce the drag force on the cylinder through one and two horizontal plates. The results are in good agreement with prior numerical results.

Słowa kluczowe

EN

rigid cylinder; immersed interface method; numerical simulation; drag force

PL

sztywny cylinder; metoda zanurzonego interfejsu; symulacja numeryczna; siła tarcia

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2019
• Tom: Vol. 13, no 4
• Strony: 188--193
• Opis fizyczny: Bibliogr. 20 poz., fig., tab.

Twórcy

autor

Alizadeh As’ad

• Department of Mechanical Engineering, Urmia University of Technology, Urmia, Iran
• Department of Mechanical Engineering, College of Engineering, University of Zakho, Zakho City, Iraq

autor

Jafarmadar Samad

• Department of Mechanical Engineering, Urmia University, Urmia, Iran

autor

Zekri Hussein Jebrail

• Department of Mechanical Engineering, College of Engineering, University of Zakho, Zakho City, Iraq

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).