高压储氢罐氢气泄漏实验研究

梁功有; 江斌; 韩昆; 郑童申; 李雪芳; 陈昊

doi:doi:10.19912/j.0254-0096.tynxb.2024-2238

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高压储氢罐氢气泄漏实验研究

更新时间：2026-07-22

- 高压储氢罐氢气泄漏实验研究
- Vol. 47, Issue 4, Pages: 593-598(2026)
- 作者机构：
- 作者简介：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-2238
  CLC： TK91
- Online First：08 May 2026，
  
  Published：2026
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梁功有, 江斌, 韩昆, et al. 高压储氢罐氢气泄漏实验研究[J]. 2026, 47(4): 593-598.
DOI：

梁功有, 江斌, 韩昆, et al. 高压储氢罐氢气泄漏实验研究[J]. 2026, 47(4): 593-598. DOI： doi:10.19912/j.0254-0096.tynxb.2024-2238.

摘要

基于自行设计的高压氢气泄漏试验系统

测量高压储氢罐内氢气经直径为1 mm的圆形喷嘴、在不同喷射压力下的泄漏质量流量。喷射压力在10~70 MPa之间

涵盖了国内长管拖车、氢燃料电池商用车的储氢装置设计工作压力。采用Abel-Noble非理想气体状态方程和一维等熵膨胀关系式计算理论质量流量

以及在不同压力工况下的喷嘴流量系数。结果表明

在此压力工况范围内

所采用喷嘴的流量系数在0.57~0.60之间。

Abstract

In this study

self-designed test facilities were constructed to investigate the high-pressure hydrogen leakage process. The mass flow rates of hydrogen leakage from a nozzle with a 1 mm diameter were measured for various storage pressures ranging from 10 to 70 MPa

encompassing the designed working pressures of onboard storage tanks of tube trailers and fuel cell vehicles. The mass flow rates were calculated by assuming quasi-one-dimensional

isentropic flow using the Abel-Noble equation of state. Subsequently

the discharge coefficients were determined as the ratio of the measured to calculated mass flow rates for various test conditions. The results show that the discharge coefficients range from 0.57 to 0.60 for the present tests.

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references

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