Investigation of the Effects of Erosion Test Parameters on the Particle Impengement Velocity by Using CFD Analysis

• Authors: B. Önen , Y. Yıldıran , E. Avcu , A. Çınar
• Languages of publication: EN

Abstracts

EN

Particle impingement velocity is one of the most important parameters in solid particle erosion. Particle impingement velocity depends on erosion test parameters such as particle acceleration pressure, erodent particle size and standoff distance. Over the past decades many experimental studies have been conducted to examine the effects of these parameters on the particle impingement velocity. In this study, the effects of particle acceleration pressure, erodent particle size and standoff distance on the particle impingement velocity have been investigated by using a computational fluid dynamics (CFD) program, FLUENT. In order to achieve these goals solid particle erosion tests are simulated under various test parameters and the effects of these parameters are examined in detail. The effect of particle velocity on the flow field is characterized with method geometrics. Two-dimensional plane symmetrical models are utilized to reduce the computation time. Plots of gas pressure and particle velocity contours at the XY symmetrical plane from nozzle inlet to substrate were given. CFD analysis showed that all erosion test parameters have dramatically affected particle impingement velocity. Particle impingement velocity was increased with increases in acceleration pressure while it was decreased with increases in both erodent particle size and standoff distance.

Keywords

EN

45.50.Dd; 47.60.Kz; 07.05.Tp; 47.80.Jk

Discipline

• 47.80.Jk: Flow visualization and imaging
• 45.50.Dd: General motion
• 47.60.Kz: Flows and jets through nozzles
• 07.05.Tp: Computer modeling and simulation

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 127
• Issue: 4
• Pages: 1225-1229

Dates

published

2015-04

Contributors

author

B. Önen

• Kocaeli University, Schools of Civil Aviation, 41285 Kocaeli, Turkey

author

Y. Yıldıran

• Kocaeli University, Mechanical Eng. Dept., 41380 Kocaeli, Turkey

author

E. Avcu

• Kocaeli University, Ford Otosan İhsaniye Automotive Vocational School, 41680 Kocaeli, Turkey

author

A. Çınar

• Kocaeli University, Automotive Eng. Dept., 41380 Kocaeli, Turkey

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Identifiers

DOI

10.12693/APhysPolA.127.1225