GB/T 44723-2024 in English
VALIDHydrogen internal combustion engines—General technical specification
- Issued on:2024-09-29
- Implemented on:2025-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$272.00
| Standard No: | GB/T 44723-2024 |
| Document status: | VALID |
| Title in English: | Hydrogen internal combustion engines—General technical specification |
| Title in Chinese: | 氢燃料内燃机 通用技术条件 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2024-09-29 |
| Implemented on: | 2025-04-01 |
| ICS Classification: | 27.020-Internal combustion engines |
| Chinese Classification: | J91-Internal combustion engine and auxiliary equipment |
| Professional Classification: | GB-National Standard |
| Related Keywords: | hydrogen energy
internal combustion engines general hydrogen fuel hydrogen concentration hydrogen embrittlement |
| Related Topics: | Thirteen pentahydrogen fuel
Thirteenth five-year + hydrogen fuel hydrogen in the material Hydrogen use fuel hydrogen Hydrogen generator technology |
《GB/T 44723-2024氢燃料内燃机 通用技术条件》由TC177（全国内燃机标准化技术委员会）归口，主管部门为中国机械工业联合会。
Introduction
1. Background and significance of standard formulation
With the transformation of global energy structure and the increase in demand for environmental protection, hydrogen energy as a clean and efficient energy carrier has attracted widespread attention. As one of the important applications of hydrogen energy in the transportation field, the development of hydrogen fuel internal combustion engines is of great significance to reducing carbon emissions and promoting the development of green economy. The formulation of this standard aims to regulate the design, production and application of hydrogen fuel internal combustion engines to ensure their safety and reliability.
2. Overview of technical requirements
| Technical field | Specific requirements |
|---|---|
| Material requirements | Materials in contact with hydrogen must be resistant to hydrogen damage and hydrogen swelling. |
| Emission requirements | According to different application fields, pollutant emissions must comply with GB18352.6-2016, GB17691-2018 and other standards. |
| Reliability requirements | Automotive hydrogen internal combustion engines must comply with QC/T 471, and engineering machinery must comply with JB/T4198.3 and other regulations. |
3. Professional term explanation
Hydrogen Damage: Refers to the phenomenon that the mechanical properties of metal materials are reduced due to the presence of hydrogen, including hydrogen embrittlement and hydrogen corrosion.
Hydrogen Supply System: A general term for all devices that provide hydrogen to hydrogen fuel internal combustion engines, which must have safety protection functions to prevent leakage and abnormal pressure.
4. Implementation Recommendations
- Manufacturers should ensure that their products meet all technical requirements in the standard and provide detailed technical specifications and parameters.
- Carry out sufficient hydrogen damage tests during the design phase and select appropriate materials to improve durability.
- It is recommended to use an advanced monitoring system to monitor hydrogen concentration in real time to ensure safe operation.
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