Simulasi Numerik dengan Pendekatan 3D-URANS Aliran yang Melintasi Susunan Empat Silinder Sirkular Dekat Dinding pada “Small-Gap”

A. Grummy Wailanduw, Triyogi Yuwono, Wawan Aries Widodo




Abstract


A flow cross four circular cylinders arrangement in center-line had been many investigated by an experimentally, a simulation, as well as a visualization. The flow phenomena around the cylinders were different when its arrangement were located near a wall, especially at small gap. A boundary layer of the wall would effected a flow characteristics around the cylinders. This research was done by numerical method with FLUENT 6.3.26 software at L/D = 4.0 and G/D rasio 0.1 and 0.2 and Reynolds number 53000 based on the diameter of a single cylinder. An evolution of pressure distributions in circular cylinders, especially at the lower cylinders, are effected of a plane wall which located near them.


Keywords


Numerical simulation, 3D-URANS, four circular cylinders arrangement, near wall

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The Journal is published by The Institute of Research & Community Outreach - Petra Christian University. It available online supported by Directorate General of Higher Education - Ministry of National Education - Republic of Indonesia.

©All right reserved 2016.Jurnal Teknik Mesin, ISSN: 1410-9867

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