Core Viewpoint - The successful full-scale venting test of a 10 MPa high-pressure hydrogen pipeline marks a significant advancement in China's hydrogen pipeline safety technology, filling a technical gap in the industry [1] Group 1: Test Significance - The venting test serves as a "safety simulation" for hydrogen pipelines, ensuring the safe and stable long-distance transportation of hydrogen, which is crucial for the widespread application of hydrogen energy [1] - The test addresses the core issue of safely venting hydrogen gas during planned maintenance or emergencies, preventing potential hazards and external impacts [1] Group 2: Testing Methodology - A complete simulation testing platform was constructed to replicate various scenarios for hydrogen gas discharge during pipeline operation, including both non-ignition and ignition combustion discharges [1] - The test evaluated safety performance under multiple pressure and operational conditions, providing valuable data for future large-diameter hydrogen pipeline construction [1] Group 3: Research Outcomes - The test platform enabled the systematic collection of key parameters such as hydrogen concentration distribution, flame structure, thermal radiation intensity, and impact range, enhancing the understanding of hydrogen venting flow and diffusion patterns under high-pressure conditions [1] - The research covered a wide range of conditions, including multi-level pressures from 1 MPa to 10 MPa, various riser heights, pipe diameters, and different configurations of flame arresters [1]

Core Viewpoint - The successful implementation of China's first full-scale 10 MPa high-pressure hydrogen pipeline venting test marks a significant advancement in hydrogen pipeline safety technology, filling a technical gap in the country [1][3]. Group 1: Test Significance - The venting test serves as a "safety simulation" for hydrogen pipelines, ensuring the safe and stable long-distance transportation of hydrogen, which is crucial for the widespread application of hydrogen energy [3]. - The test platform recreated various scenarios for safely venting hydrogen, including non-ignition and ignition combustion scenarios, under multiple pressure and operational conditions [3][5]. Group 2: Technical Achievements - The test successfully gathered critical parameters such as hydrogen concentration distribution, flame structure, thermal radiation intensity, and impact range, providing insights into the flow and diffusion patterns of high-pressure hydrogen during venting [5]. - The results of the test will directly contribute to the construction of large-diameter hydrogen pipelines, enhancing the safety level of pipeline operations [5]. Group 3: Industry Impact - The successful test addresses a key technical challenge in hydrogen storage and transportation, accumulating important experience for hydrogen energy safety technology in China [5]. - The findings will help improve safety standards in the hydrogen industry and promote coordinated development across various segments of the hydrogen energy supply chain, providing a solid foundation for the large-scale application of hydrogen energy in China [5].

Core Viewpoint - The European Commission has announced that two projects led by Italian gas network operator Snam have been included in the new priority list for cross-border energy projects, qualifying them for EU funding support [1] Group 1: Project Details - The two projects were previously included in the priority list in 2023, and their re-inclusion indicates they will be part of Snam's new industrial plan to be released in early next year [1] - The projects include the SoutH2Corridor hydrogen pipeline project connecting Algeria, Italy, Austria, and Germany, and the Calisto offshore CO2 storage facility project near the coast of Ravenna, Italy [1] Group 2: Project Classification and Benefits - These projects are classified as "projects of common interest" and "mutually beneficial projects," which will enjoy expedited approval processes and are expected to receive financial support from the EU [1]