One-dimensional carbon dioxide pipe full hole fracture model

LIU Bin; YOU Zhanping; DENG Jiajia

doi:10.11949/j.issn.0438-1157.20181167

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One-dimensional carbon dioxide pipe full hole fracture model

Fluid dynamics and transport phenomena | 更新时间：2026-07-24

- One-dimensional carbon dioxide pipe full hole fracture model
- CIESC Journal Vol. 70, Issue 6, Pages: 2174-2181(2019)
- 作者机构：
  
  1.石家庄铁道大学机械工程学院，河北石家庄 050043
  2.浙江海洋大学港航与交通运输工程学院，浙江舟山 316022
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20181167
  CLC： TE 832
- Received：09 October 2018，
  
  Revised：2018-12-27，
  
  Online First：15 June 2020，
  
  Published：05 June 2019
- 稿件说明：
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刘斌, 尤占平, 邓佳佳. 一维二氧化碳管道全孔破裂模型[J]. 化工学报, 2019, 70(6): 2174-2181

LIU Bin, YOU Zhanping, DENG Jiajia. One-dimensional carbon dioxide pipe full hole fracture model[J]. CIESC Journal, 2019, 70(6): 2174-2181
刘斌, 尤占平, 邓佳佳. 一维二氧化碳管道全孔破裂模型[J]. 化工学报, 2019, 70(6): 2174-2181 DOI： 10.11949/j.issn.0438-1157.20181167.

LIU Bin, YOU Zhanping, DENG Jiajia. One-dimensional carbon dioxide pipe full hole fracture model[J]. CIESC Journal, 2019, 70(6): 2174-2181 DOI： 10.11949/j.issn.0438-1157.20181167.

摘要

在碳捕捉和储存（CCS）技术中，CO

主要通过高压管道从捕获点输送到储存点。一旦发生管道破裂引起泄漏，管道破裂条件、泄漏量大小与事故后果直接相关。因此，为了确保安全，必须对管道破裂后CO

管道流量等进行准确预测，特别是获取破裂条件，为大规模CCS项目的实施提供有效的技术支持。建立了一维（1D）计算流体动力学（CFD）管道破裂减压预测模型，通过使用精确的状态方程(PR

GERG)来实现更好的源强度估计。摩擦和传热的影响是通过动量和能量项来实现的。该模型适用于单相和气液两相减压流动。在两相模拟方面，通过引入质量和能量项来实现液/气转变。通过三个独立的减压流动实验验证了模型预测。此外，还研究了管壁粗糙度和管径对泄漏流量的影响。这项研究有助于提供一个可靠的与CCS相关的风险评估方法。

Abstract

In carbon capture and storage (CCS) technology

is transported from the capture point to the storage point primarily through high pressure piping. The potential for pipeline rupture and leakage

possibly resulting in catastrophic accidents

will presents a risk to human and animal populations. Therefore

to ensure pipeline safety

an essential risk assessment involving an accurate prediction of CO

pipe flow following the pipeline fracture

especially obtaining the condit

ions at rupture

provides effective technical support for the implementation of large-scale CCS projects and contribute to pipeline safety. In the present paper

a one-dimensional (1D) Computational Fluid Dynamics (CFD) pipe flow model to predict pipeline fracture is developed. Precise Equation of States (EOSs)

PR and GERG

is used to achieve more accurate source strength estimates. The effects of friction and heat transfer through the pipe wall are accounted for through momentum and energy source terms. The model is applicable for both single-phase and gas-liquid two-phase flow. In terms of two-phase simulation

liquid/vapour transition is implemented by introducing mass and energy source terms. The model predictions are validated by data from three independent depressurization experiments. Also

the effects of pipe wall roughness and pipe diameter on mass outflow rate are investigated. This research helps provide a reliable method for risk assessment related to CCS.

关键词

Keywords

references

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