Numerical Simulation on Flow Past Four Circular Cylinders in Diamond and Square Arrangement
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2018, Vol 8, Issue 1
Abstract
Flows past four cylinders, which are arranged in a diamond and square shape are simulated using ANSYS WORKBENCH. Flow is considered to be unsteady, incompressible and two dimensional and the examined Reynolds number is 5000. Simulations are performed for different gap to diameter ratio (L/D), ranging from 1.5 to 4, and for two incidence angles, α = and . The flow characteristics, including the flow patterns, force parameters such as the drag and lift coefficients as well as wake oscillation frequencies (Strouhal numbers) were investigated. The force parameters are highly affected by the spacing ratio, three types of flow patterns were observed depending on the spacing ratio at two different angles of incidence. As the gap to diameter ratio varies from 1.5 to 3, more interference effects have been observed and further increasing the gap to diameter ratio, the flow pattern is similar to the flow past a single cylinder, by comparing both the arrangements square arrangement has been less interference effects.
Authors and Affiliations
THOTA SRINU, S. GIRISH, MONICA T, B. DHANRAJ
Keywords
Related Articles
- EP ID EP279602
- DOI 10.24247/ijmperdfeb201834
- Views 74
- Downloads 0
A Restart Scheme Based Meta Heuristic for Flexible Job Shop Scheduling
Flexible job shop scheduling problem (F.J.S.S.P) is very important in the fields of production management and it appears under the category of N.P hard combinatorial optimization problem. It is an expansion of traditiona...
COMPARISION OF LIFITING RE-ENTRY AND BALLISITC RE-ENTRY
This paper highlights comparison of lifting re-entry and ballistic re-entry. 3-D. O. F code is developed and used for comparing the different re-entries. The main objective of this paper is to minimize deceleration on re...
Evaluation of Effect of Shape and Length of Spike on Aerodynamics Performance of Supersonic Axi-Symmetric Bodies
In this paper, the study of the aerodynamic performance of the aircraft which operates in both Hypersonic and Supersonic Flows has been carried out. The aerodynamics of the objects in these two regimes varies and is diff...
Application of Lean Manufacturing in the Painting Plant Manufacturing Process by Reducing Waste Waiting A Case Study at Pt.Koba Multi Indonesia
PT. Koba Multi Indonesia is a local private company engaged in Manufacturing (Fabrication and Services), to be able to maximize production that continues to grow in accordance with its era and increase profits to the com...
Study of Corrosion behaviour on Tig and Friction Stir Welded Joints of AA6061-T4
Aluminium alloy 6061, treated with T4 condition of thickness 4mm were butt welded by Friction Stir Welding (FSW) and Tungsten inert gas welded (TIG) method. Process parameter decides the quality of weld in FSW and TIG me...