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http://dx.doi.org/10.11001/jksww.2018.32.2.115

Optimum design of direct spring loaded pressure relief valve in water distribution system using multi-objective genetic algorithm  

Kim, Hyunjun (Department of Environmental Engineering, Pusan National University)
Baek, Dawon (Department of Environmental Engineering, Pusan National University)
Kim, Sanghyun (Department of Environmental Engineering, Pusan National University)
Publication Information
Journal of Korean Society of Water and Wastewater / v.32, no.2, 2018 , pp. 115-122 More about this Journal
Abstract
Direct spring loaded pressure relief valve(DSLPRV) is a safety valve to relax surge pressure of the pipeline system. DSLPRV is one of widely used safety valves for its simplicity and efficiency. However, instability of the DSLPRV can caused by various reasons such as insufficient valve volume, natural vibration of the spring, etc. In order to improve reliability of DSLPRV, proper selection of design factors of DSLPRV is important. In this study, methodology for selecting design factors for DSLPRV was proposed. Dynamics of the DSLPRV disk was integrated into conventional 1D surge pressure analysis. Multi-objective genetic algorithm was also used to search optimum design factors for DSLPRV.
Keywords
Direct spring loaded pressure relief valve; Multi-objective genetic algorithm; Surge analysis; Transient flow analysis;
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