喷射成形工艺中静电作用下气体流场的数值模拟研究  

Numerical Simulation of Gas Flow Fields Under Electrostatic Interaction in Spray Forming Process

作　　者：曲迎东[1] 王辉[1] 李荣德[1] 白彦华[1] 李晓宏[1] 

机构地区：[1]沈阳工业大学材料科学与工程学院,辽宁沈阳110178

出　　处：《铸造》2010年第2期161-164,共4页Foundry

基　　金：国家自然科学基金(50605045);辽宁省创新团队项目(2007T131);沈阳市科技项目(1081229-1-00)

摘　　要：雾化质量是影响喷射成形产品质量的重要因素之一,静电作用能有效地提高雾化质量。将静电作用应用到喷射成形工艺过程中,建立了电场作用下气体流场的模型,对喷射成形工艺中静电作用下气体流场进行了模拟。研究表明,在静电作用下雾化区域的压强分布更加均匀、集中,速度由300 m/s提高到700 m/s,从而有效地改善了雾化效果,提高了雾化质量。The atomization quality is an important factor that affects the quality of spray forming product, and the electrostatic interaction can effectively improve the quality of atomization. In this test, the gas flow field model in the electric field is established, and then the gas flow field in spray forming under electrostatic interaction is simulated. The research indicates that the distribution of pressure in atomization area is more uniform and concentrative, and the velocity of the gas flow fieid increases from 300 m/s to 700 m/s, thereby effectively improves the effect of atomization and increase the quality of atomization.

关 键 词：喷射成形 静电作用 雾化 气体流场 数值模拟 

分 类 号：TF124.3[冶金工程—粉末冶金]