A method for predicting a medium-low pressure hydrogen leakage explosion danger zone
By constructing two-dimensional and three-dimensional jet field concentration prediction models for medium and low-pressure hydrogen leaks, the problem of rapid prediction of explosion hazard zones after medium and low-pressure hydrogen leaks was solved, enabling rapid and accurate identification of hazard zones and safety guidance.
CN122174414APending Publication Date: 2026-06-09CHINA PETROLEUM & CHEMICAL CORP +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA PETROLEUM & CHEMICAL CORP
- Filing Date
- 2024-12-09
- Publication Date
- 2026-06-09
AI Technical Summary
Technical Problem
Existing technologies lack rapid and effective methods to predict the explosion hazard zone after a medium- or low-pressure hydrogen leak, resulting in insufficient effectiveness of accident prevention and emergency response.
Method used
Two-dimensional and three-dimensional hydrogen leakage jet field concentration prediction models were constructed. By acquiring experimental data, a jet hazard zone prediction model was established, and the explosion hazard zone was rapidly predicted based on the model.
Benefits of technology
It improves the prediction efficiency of medium and low pressure hydrogen leak explosion hazard areas, avoids the safety hazards of on-site testing, and can quickly and accurately identify explosion hazard areas, providing scientific safety guidance.
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Figure CN122174414A_ABST
Abstract
This invention provides a method for predicting the hazardous area of a medium- and low-pressure hydrogen leak, belonging to the technical field of hydrogen energy safety applications. The method includes: acquiring experimental concentration data of a medium- and low-pressure hydrogen jet field; constructing a two-dimensional jet field concentration prediction model based on the experimental concentration data; establishing a two-dimensional prediction model for the hazardous area of a medium- and low-pressure hydrogen leak based on the two-dimensional jet field concentration prediction model; generating a three-dimensional prediction model for the hazardous area of a medium- and low-pressure hydrogen leak based on the two-dimensional prediction model; and predicting the hazardous area of a medium- and low-pressure hydrogen leak explosion based on the three-dimensional prediction model. This invention constructs a rapid and accurate prediction model and method for the hazardous area of a medium- and low-pressure hydrogen jet field, applicable to hydrogen leak accident sites. It provides rapid and powerful support for the rapid prediction and identification of hazardous areas in the hydrogen flow field after a medium- and low-pressure hydrogen leak in hydrogen-related locations, and for the implementation of appropriate safety measures.
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