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

OpenAlex İngilizce

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 stando distance.Over the past decades many experimental studies have been conducted to examine the eects of these parameters on the particle impingement velocity.In this study, the eects of particle acceleration pressure, erodent particle size and stando distance on the particle impingement velocity have been investigated by using a computational uid dynamics (CFD) program, FLUENT.In order to achieve these goals solid particle erosion tests are simulated under various test parameters and the eects of these parameters are examined in detail.The eect of particle velocity on the ow eld 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 aected 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 stando distance.