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유압 스풀밸브 그루브 내에서의 유동특성 해석Analysis of Flow Characteristics in a Groove of Hydraulic Spool Valve
- Other Titles
- Analysis of Flow Characteristics in a Groove of Hydraulic Spool Valve
- Authors
- 박태조
- Issue Date
- 2007
- Publisher
- 사단법인 유공압건설기계학회
- Keywords
- CFD(전산유체역학; Computational Fluid Dynamics); FLUENT; Groove(그루브); Spool Valve(스푸울 밸브); Vortex(와류)
- Citation
- 드라이브·컨트롤, v.4, no.4, pp 15 - 20
- Pages
- 6
- Indexed
- KCICANDI
- Journal Title
- 드라이브·컨트롤
- Volume
- 4
- Number
- 4
- Start Page
- 15
- End Page
- 20
- ISSN
- 2671-7972
2671-7980
- Abstract
- All of the hydraulic spool valves adopt radially grooved spools to avoid hydraulic locking. In this paper, a commercial computational fluid dynamics (CFD) code, FLUENT is used to investigate the accurate Poiseuille flow characteristics inside single groove. The stream lines, velocity and pressure distributions are obtained for various groove widths, depths and shapes. The stream lines are highly affected by groove shape and there occurred large vortexes inside groove beyond a certain ratio of groove width to depth. Especially the U shaped groove restrains the occurrence of vortex. Therefore the numerical method adopted in this paper can be use in optimum designing of multi-grooved hydraulic spool valves.
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Collections - 공과대학 > Department of Mechanical Engineering > Journal Articles
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