Design and simulation of high pressure cyclones for a gas city gate station using semi-empirical models, genetic algorithm and computational fluid dynamics

摘要: Abstract Solid particles suspended in natural gas pipelines cause many fundamental problems transmission and distribution network of gas. Conducted measurements the Kerman city, Iran showed a high concentration black powder pipeline. It was found that current filtration system not to be efficient remove solids. Thus, with regarding size powder, improve cyclone separator before process proposed. In this study, required cyclones for separating from at pressure CGS #1 were designed. Then, using computational fluid dynamics, simulations done their performance evaluated different conditions. The Reynolds Stress model used turbulent flow due existence swirling inside cyclone. Particle trajectories calculated by discrete phase model. A efficiency Stairmand selected. To increase prevent direct escapement entering into internal vortex finder, length optimized Genetic Algorithm (GA). order design cyclone, number algorithms written calculate cyclones. designed temperature 1000 psi 20 °C respectively maximum capacity city. is attempted satisfy standards American Society Mechanical Engineers vessels design. Diameter thickness are 55 cm 1.125 inches respectively. Simulation validation Grid Convergence method. able separate more than 96% summer (the lowest consumption time) winter highest well.