Numerical analysis of the effects of fluctuations of discharge capacity on transient flow field in gas well relief line |
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| Institution: | 1. Department of Electrical Engineering and Information Systems, University of Pannonia, Veszprém 8200, Hungary;2. Institute for Computer Science and Control, Budapest, Hungary;1. Institute for Energy Systems, School of Engineering and Electronics, The University of Edinburgh, Edinburgh EH9 3JL, UK;2. Research & Enterprise Office, The University of the Highlands and Islands, Ness Walk, Inverness IV3 5SQ, UK;1. Colorado School of Mines, Golden, CO 80401, USA;2. KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea;1. State Key Laboratory of Water Resources and Hydropower Engineering Science, School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China;2. Hubei Key Laboratory of Waterjet Theory and New Technology, Wuhan University, Wuhan 430072, China;3. School of Energy and Power, Xi''an Jiaotong University, Xi''an 710049, China;1. INSA Centre Val de Loire, Université d''Orléans, PRISME EA 4229, 88 Boulevard Lahitolle, CS 60013, F-18022 Bourges Cedex, France;2. Nexter Munitions, 7 Route de Guerry, 18023 Bourges Cedex, France |
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| Abstract: | Transient gas flow in relief line is computed to determine the effects of fluctuations of discharge capacity on flow field. Based on the theories of computational fluid dynamics and aerodynamics, the solution and the analysis were carried out using finite volume CFD solver FLUENT 13.0. Flow fields in seven working conditions were simulated in the numerical investigation and their results were compared. The results showed that the fluctuations of discharge capacity, including extent and period, exert obvious effects on transient gas flow field in relief line. The larger the fluctuation extent and the shorter the fluctuation period, the more significant is the effect. The application method of simulation results is provided to guide the laying and fixing of pipelines, which is verified by filed measurement. |
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| Keywords: | Mass flow rate Relief line Discharge capacity Transient gas flow Numerical simulation |
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