Мақаланы E-mail арқылы жіберу On the criteria of hydrogen self-ignition during its release from a high-pressure vessel
- Авторлар: Smygalina A.E.1, Kiverin A.D.1
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Мекемелер:
- Joint Institute for High Temperatures of the Russian Academy of Sciences
- Шығарылым: Том 16, № 3 (2023)
- Беттер: 3-9
- Бөлім: Articles
- URL: https://medbiosci.ru/2305-9117/article/view/289182
- DOI: https://doi.org/10.30826/CE23160301
- EDN: https://elibrary.ru/FGVIUN
- ID: 289182
Дәйексөз келтіру
Ашық рұқсат
Рұқсат берілді
Тек жазылушылар үшін
Аннотация
The paper presents results of the numerical modeling of high-pressure hydrogen release into air followed by self-ignition. Two problem statements are studied: release through a slit from a tube or a vessel into the space with an obstacle and release through two separated slits. The modeling is performed in two-dimensional approach in Cartesian coordinates. In the framework of the first statement, the initial pressure of hydrogen and the distance to the obstacle are varied, the half-width of the slit is set equal to 1 mm. In the framework of the second statement, the size of slits and the distance between them are varied while the initial pressure of hydrogen is 350 atm. It is shown that the mentioned parameters of the problem determine regimes of hydrogen flow: with and without ignition. For the first statement, two regimes of flow with ignition are observed: before the jet reaches the obstacle and as a result of the reflection of the flow from it. The obtained results could be interesting for the elaboration of hydrogen safety systems.
Негізгі сөздер
Авторлар туралы
Anna Smygalina
Joint Institute for High Temperatures of the Russian Academy of Sciences
Хат алмасуға жауапты Автор.
Email: smygalina-anna@yandex.ru
Candidate of Science in physics and mathematics, research scientist
Ресей, MoscowAlexey Kiverin
Joint Institute for High Temperatures of the Russian Academy of Sciences
Email: alexeykiverin@gmail.com
Doctor of Science in physics and mathematics, professor, head of department
Ресей, MoscowӘдебиет тізімі
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