Title :
CFD simulation of microscale flow field in spiral groove dry gas seal
Author :
Jing, Xu ; Xudong, Peng ; Shaoxian, Bai ; Xiangkai, Meng
Author_Institution :
Coll. of Mech. Eng., Zhejiang Univ. of Technol., Hangzhou, China
Abstract :
The three dimension micro-scale flow field in spiral groove dry gas seals(S-DGS) is simulated by using CFD software based on gas lubrication theory in this article. Effect of gas flow state on the Seal performance is analyzed under different gas film thickness. Laminar model and k-ε turbulent model are used separately to obtain the open force, leakage rate. The results show that gas pressure distribution is in well agreement with reference. The turbulence effect of gas film can enhance the hydrodynamic effect and hence enlarge the open force, while decrease the leakage rate of seal.
Keywords :
computational fluid dynamics; flow simulation; hydrodynamics; laminar flow; lubrication; seals (stoppers); turbulence; CFD simulation; CFD software; Laminar model; gas film thickness; gas film turbulence effect; gas flow state; gas lubrication theory; gas pressure distribution; hydrodynamic effect; k-ε turbulent model; seal leakage rate; seal performance; spiral groove dry gas seal; three dimension microscale flow field; Equations; Films; Fluids; Force; Mathematical model; Seals; Spirals; CFD; laminar; simulation; turbulence;
Conference_Titel :
Mechatronics and Embedded Systems and Applications (MESA), 2012 IEEE/ASME International Conference on
Conference_Location :
Suzhou
Print_ISBN :
978-1-4673-2347-5
DOI :
10.1109/MESA.2012.6275564
