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Natural gas pipeline network simulation method and device

A technology of natural gas pipeline network and simulation method, applied in the field of natural gas pipeline network simulation, can solve the problems of computer memory resources and time waste, etc.

Active Publication Date: 2017-09-12
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Abstract
  • Description
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Problems solved by technology

[0005] The invention provides a natural gas pipeline network simulation method and device, which are used to solve the problem of much waste of computer memory resources and time in the prior art

Method used

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  • Natural gas pipeline network simulation method and device
  • Natural gas pipeline network simulation method and device
  • Natural gas pipeline network simulation method and device

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Embodiment Construction

[0051] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0052] figure 1 A flowchart of an embodiment of the natural gas pipeline network simulation method provided by the present invention, such as figure 1 shown, including:

[0053] 101. Obtain the control equations and boundary condition equations of natural gas flow and heat transfer in the natural gas pipeline network, perform discrete proce...

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Abstract

The invention relates to a natural gas pipeline network simulation method and device, wherein the method includes: discretely processing the control equations and boundary condition equations of natural gas flow and heat transfer in the natural gas pipeline network to obtain algebraic equations; The grid points in the grid system are adjusted according to the comparison results of the interpolation solution and the numerical solution of the flow parameter values ​​of the grid points in the grid system at the i-1th moment; for the time step of the i-th moment, according to The numerical solutions of the flow parameter values ​​and the time steps of each grid point in the grid system at the first three moments are adjusted; according to the grid points and time steps in the grid system at the i-th moment, the algebraic equations are Solve, determine the numerical solution of the flow parameter value of each grid point in the grid system at the i-th moment. In this way, the adaptive adjustment of the time step and the spatial grid system can be realized, and the waste of computer memory resources and calculation time can be reduced while ensuring the calculation accuracy.

Description

technical field [0001] The invention relates to the technical field of pipeline systems, in particular to a natural gas pipeline network simulation method and device. Background technique [0002] The development of the natural gas industry is an inevitable direction for future energy structure optimization. Pipelines are the main transportation mode of natural gas. Trunk pipelines, branch pipelines, and urban gas transmission and distribution pipelines together constitute a multi-level natural gas pipeline network structure. The future natural gas pipeline network will develop towards the trend of large diameter, large flow, and high pressure level. The scale and complexity of the pipeline network will increase accordingly. How to form a natural gas security pattern with multiple resources, flexible deployment, and safety and stability is extremely important . [0003] Among them, natural gas pipeline network simulation is an indispensable technology to ensure the safe op...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/11
Inventor 宇波王鹏杨开丰
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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