Metering inaccuracy analysis and improvement measures of typical scenarios in hydrogen refueling station

被引：7

作者：

Zhao, Yimeng ^{[1
]}

Chen, Guohua ^{[1
]}

Xu, Qiming ^{[1
]}

Lv, Hongpeng ^{[1
]}

Su, Shen ^{[1
]}

Xia, Li ^{[2
]}

Zhang, Geng ^{[2
]}

Yang, Gang ^{[2
]}

Hu, Kun ^{[2
]}

机构：

[1] South China Univ Technol, Inst Safety Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China

[2] Guangdong Inst Special Equipment Inspect & Res, Foshan 528251, Guangdong, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2024年 / 50卷

关键词：

Hydrogen refueling station; Metering error; Improvement measure; Hydrogen loss; Hydrogen leakage; TEMPERATURE-RISE; GAS; UNCERTAINTY; CYLINDER; MASS;

D O I：

10.1016/j.ijhydene.2023.07.101

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Standardizing hydrogen refueling station metering management promotes the economic and safe development of the hydrogen energy industry. In this study, by modifying the original equipment in hydrogen refueling stations, the real causes of hydrogen metering inaccuracy are experimentally investigated, and the effectiveness of the corresponding improvement measures is verified. While ensuring the accuracy of hydrogen metering, a segmented hydrogen loss rate calculation method has been proposed, which can assist in leak detection. The results show that the degree of variation in ambient temperature is the main factor affecting the metering accuracy of the PVT method, which is related to the difference in the rate of temperature rise within the hydrogen storage vessel and hydrogen piping. Differing from vehicle gas cylinders, the hydrogen tube bundle of the trailer does not produce a significant thermal equilibrium effect after filling, but the hydrogen metering errors are still not negligible because of sensitivity differences between pressure and temperature gauges and its large volume. Moreover, adding thermal insulation measures near the temperature gauge and improving the accuracy of the gauges can effectively reduce hydrogen metering errors.(c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：815 / 828

页数：14

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