摘要
Abstract
The application of the wet natural gas trans mission technique enables the operators and producing cast of gas condensate field development in the adverse circumstance, such as ocean, desert, Gobi and seabeach, etc. to be reduced. The wet natural gas in transmission pipeline assumes two phase of gas and liquid, so its flowing always assumes a slow transient flow state. In this paper,starting from the basic law of fluid me chanics,a mathematical model equation for describing the tran sient flow of the wet gas in the pipeline under peak shaving op eration is established, a simplified treatment for the model equa tion is made and a train of thought for concrete calculation is de signed. Based on the transmission boundary condition, the calculation method of the numerical value of the dynamic model e quation, the discrete form of the pipeline, the storage method of the parameters and the difference equation are given out. The pressure at every point along the pipeline, the gas-liquid phase flow rate and the law of the liquid holdup in the pipeline chang ing with time in the process of gas storage and supply at the time of peak shaving are simulatively calculated, and based on this, the problem on peak shaving is thoroughly analyzed by combining with the existing Pinghu-Shanghai gas pipeline in China.关键词
天然气/管道输送/模拟/数学模型/调峰/计算/方法/研究Key words
Natural gas/Pipeline transporta tion/Simulation/Mathematical model/Peak shaving/Calcula tion/Method/Research分类
能源科技
