T、L型槽柱面气膜密封CFD数值模拟  

CFD Numerical Simulation of T,L Slot Cylinder Gas Film Seal

作　　者：杜宏娥 苏泽辉 DU Hong-e;SU Ze-hui(Health Vocational College of Gansu Province,Lanzhou 730207,Gansu,China;Lanzhou LS Energy Equipment Engineering Institute Co.,Ltd,Lanzhou 730300,Gansu,China)

机构地区：[1]甘肃省卫生职业学院,甘肃兰州730207 [2]兰州新区石化产业投资集团有限公司,甘肃兰州730300

出　　处：《机械研究与应用》2024年第3期52-54,59,共4页Mechanical Research & Application

摘　　要：该文通过阐述柱面气膜密封性能特点,提出两种新型槽型结构T、L型槽柱面气膜密封结构。首先,用Proe建立了T、L型槽气膜模型,并用专业网格划分软件Hypermesh进行了网格划分;然后,在相同操作压力下用Fluent软件对比分析了两种槽型结构密封性能,通过对模拟结果的处理,得出T型槽结构具有最好的动压效应;最后,研究了不同的操作参数对上述两种槽型密封方式的影响,结果表明,不同操作参数对T型槽柱面气膜密封有较强的影响。In this paper,characteristics of the cylinder gas film seal are expounded,and two new structures of T-and L-shaped grooves slot cylinder gas film seal are put forward.The gas film models of T-and L-shaped grooves are established by Proe,and meshed with professional software Hypermesh.The two kinds of sealing structure performance are analyzed by the Fluent software under the same operating pressure.The simulation results are processed and the sealing performance of T-type and L-type cylindrical gas film is compared;the results show that T slot model structure has the best dynamic pressure effect.Meanwhile,the effects of different operating parameters on the sealing performance of the two groove seal modes are investigated;the results show that different operating parameters have strong influence on T slot model cylindrical gas film seal.

关 键 词：柱面气膜 FLUENT T型槽 动压效应 

分 类 号：V233.42[航空宇航科学与技术—航空宇航推进理论与工程]