Effect of Surface Roughness on Performance of Spiral Groove Gas Film Face Seal
The three dimensional model was established for studying performance of spiral groove gas face seal.According to machining features of different surface area,the seal face can be divided into three parts,rotor ring grooved area,rotor ring non-grooved area and static ring area.The effect of roughness on seal performance was analyzed based on calculation of three dimensional flow field.The analysis results show that the surface roughness of rotor ring grooved area has great influence on the seal performance,but the influence is little when roughness on non-grooved rotor ring surface and static ring surface.The influence must be considered when surface roughness of rotor ring grooved area bigger than 0.21μm.Roughness of rotor ring surface can increase the loading force while it also can cause the increase of leakage.It is important to select rational roughness when designing gas face seal.
gas film face seal spiral groove three dimensional flow field surface roughness
Gang Ma Wei Zhao Xin-min Shen
School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
国际会议
香港
英文
180-183
2012-07-27（万方平台首次上网日期，不代表论文的发表时间）