[논문]수소 충전소용 초고압 볼밸브 설계에 관한 연구

최지아; 지상원; 장지성

doi:10.7839/ksfc.2021.18.3.023

수소 충전소용 초고압 볼밸브 설계에 관한 연구
A Study on Design of Ultra-High-Pressure Ball Valve for Hydrogen Station 원문보기

드라이브ㆍ컨트롤 = Journal of drive and control, v.18 no.3, 2021년, pp.23 - 29

최지아 (Department of Mechanical System Engineering, Pukyong National University) , 지상원 (Department of Mechanical System Engineering, Pukyong National University) , 장지성 (Department of Mechanical System Engineering, Pukyong National University)

Abstract ▼ AI-Helper

Hydrogen energy is the clean energy source of the future. Ultra-high-pressure hydrogen is used in hydrogen stations, with its parts being developed. On the other hand, ultra-high-pressure ball valve, which is one of its parts, depends on overseas, with the level of domestic research on this being only about 10% of advanced technology research on this abroad. In this study, the shape of an ultra-high-pressure ball valve for a hydrogen station was designed to improve its structural strength. The valve body was designed according to distance between both processed body holes along inlet and outlet ports. The designed vale body was then analyzed using ANSYS to check whether points with stress were concentrated. In addition, the valve with improved body was analyzed to confirm that the valve satisfied the design condition.

주제어

표/그림 (13)

그림 Fig. 1 Section diagram of designed
그림 Fig. 2 Section diagram of designed valve
그림 Fig. 3 Examples of body shape design according to machining displacement x
표 Table 1 Design specifications
그림 Fig. 4 Examples of structural analysis results for designed body shapes
표 Table 2 Material property of body
그림 Fig. 5 Effect of internal pressure and machining displacement x on the behavior of maximum stress
그림 Fig. 6 Effect of internal pressure and machining displacement x on the behavior of safety factor
표 Table 3 Nominal stress and stress concentration factor on examples of Fig. 4
그림 Fig. 7 Flow area modeling
그림 Fig. 8 Grid generation in the flow area
그림 Fig. 9 Examples of vector distribution of ball valve
표 Table 4 Boundary conditions for flow coefficient analysis

참고문헌 (15)

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원문보기 상세보기
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원문보기 상세보기
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원문보기 상세보기
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