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Study of key parameters of burst testing for type Ⅲ on‑board high‑pressure hydrogen storage cylinders
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Guangyin LI1, Bing HAN2, 3, Chen SONG4, Guilong LIU5, Bei LI5
Pressure Vessel Technology | 2026, 43(3) : 51 - 60
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Pressure Vessel Technology | 2026, 43(3): 51-60
• Designs & Analyses •
Study of key parameters of burst testing for type Ⅲ on‑board high‑pressure hydrogen storage cylinders
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Guangyin LI1, Bing HAN2, 3, Chen SONG4, Guilong LIU5, Bei LI5
Affiliations
  • 1Gansu Province Special Equipment Inspection and Testing Institute，Lanzhou 730050，China
  • 2Dalian Boiler and Pressure Vessel Inspection & Testing Institute Co.，Ltd.，Dalian 116012，China
  • 3Key Laboratory of Gas Cylinders Safety Technology，State Administration for Market Regulation，Dalian 116012，China
  • 4Dalian Duta Technology Safety System Co.，Ltd.，Dalian 116620，China
  • 5School of Chemical Engineering，Dalian University of Technology，Dalian 116024，China
Published: 2026-03-30 doi: 10.3969/j.issn.1001-4837.2026.03.005
Outline
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In response to the significant risks associated with hydrogen storage cylinders under extreme fire conditions，this study adopts a method combining fire accident analysis with fire test data to systematically evaluate key parameters such as the burst pressure of hydrogen storage tanks.The results show that the pressure‑bearing capacity of hydrogen storage tanks decreases significantly under fire exposure：For a tank with a nominal working pressure（NWP） of 35 MPa，the burst pressure drops from 122.7~126.0 MPa at room temperature to 41.1~53.5 MPa；For a 70 MPa NWP tank，it drops from 209.8~226.8 MPa at room temperature to 98.9~112.3 MPa.The time from fire exposure to tank explosion ranges from 9 to 22 min.When the pressure relief setting of the tank is close to its burst pressure，the damage tolerance is low，resulting in a high risk of explosion under fire conditions.After fire exposure and subsequent cooling，the tanks still exhibit relatively high residual strength，approximately 2.09~3.37 times the NWP.It is recommended that，with the objective of “pressure release first”，the safety threshold for tank burst strength under fire conditions be further refined，and that standardized testing methods for post‑fire residual strength be established.This study provides a technical basis for the comprehensive safety assessment of hydrogen storage tanks in fire scenarios.

fuel cell vehicle  /  composite hydrogen storage tanks  /  hydrogen energy safety  /  failure analysis  /  fire
李广印, 韩冰, 宋辰, 刘贵龙, 李贝. Ⅲ型车载高压储氢瓶火灾环境爆破试验关键参数研究. 压力容器, 2026 , 43 (3) : 51 -60 . DOI: 10.3969/j.issn.1001-4837.2026.03.005
Guangyin LI, Bing HAN, Chen SONG, Guilong LIU, Bei LI. Study of key parameters of burst testing for type Ⅲ on‑board high‑pressure hydrogen storage cylinders[J]. Pressure Vessel Technology, 2026 , 43 (3) : 51 -60 . DOI: 10.3969/j.issn.1001-4837.2026.03.005
Appendix
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Year 2026 volume 43 Issue 3
162
69
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Article Info
doi: 10.3969/j.issn.1001-4837.2026.03.005
  • Receive Date：2025-12-16
  • Online Date：2026-10-23
  • Published：2026-03-30
Article Data
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History
  • Received：2025-12-16
  • Revised：2026-02-02
Affiliations
    1Gansu Province Special Equipment Inspection and Testing Institute，Lanzhou 730050，China
    2Dalian Boiler and Pressure Vessel Inspection & Testing Institute Co.，Ltd.，Dalian 116012，China
    3Key Laboratory of Gas Cylinders Safety Technology，State Administration for Market Regulation，Dalian 116012，China
    4Dalian Duta Technology Safety System Co.，Ltd.，Dalian 116620，China
    5School of Chemical Engineering，Dalian University of Technology，Dalian 116024，China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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