Abstract
The utilization of residual pressure resources in natural gas pipeline network is one of the key technical paths to achieve the dual-carbon goal. The analysis of pressure energy output characteristics is the basis to support its efficient utilization. An analysis method for natural gas pressure energy output characteristics is proposed. First, a parallel natural gas pipeline network pressure energy power generation system architecture is proposed. Secondly, establish a natural gas network model and various load demand models, and calculate the flow rate of the pressure regulating station. Then, based on the theory of thermodynamics, a mathematical model for the analysis of pressure energy output exergy was constructed, the spatiotemporal characteristics of pressure energy output were analyzed, and a volatility index was proposed to measure the pressure energy output characteristics. Finally, taking a natural gas pipeline network in a city as an example, the feasibility and effectiveness of the model proposed in this paper are verified.
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