کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7175266 | 1466375 | 2018 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Explosion characteristics of mildly flammable refrigerants ignited with high-energy ignition sources in closed systems
ترجمه فارسی عنوان
ویژگی های انفجاری مایعات کم مایعات قابل اشتعال با منابع احتراق انرژی بالا در سیستم های بسته بندی شده
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موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی مکانیک
چکیده انگلیسی
For evaluation of explosion scenarios in closed systems involving the mildly flammable refrigerants R1234yf, R1234ze and R32 dependent on the ignition energy, ignitions were carried out in a closed autoclave. A newly developed ignition system was used, which allows generating electric arcs with defined energies in a range between 3â¯J and 1000â¯J. The lower explosion limit of R32 decreases with increasing ignition energy. R32-explosions can be more severe than explosions involving highly flammable substances. However, in case of R1234yf and R1234ze, the ignition energy had to be increased to more than 100â¯J and more than 500â¯J to detect explosions in the closed system at all, although flame propagation phenomena can already be observed if these substances are ignited with much weaker ignition sources in open glass tubes. The explosions were very mild with these substances.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Refrigeration - Volume 90, June 2018, Pages 249-256
Journal: International Journal of Refrigeration - Volume 90, June 2018, Pages 249-256
نویسندگان
E. Askar, V. Schröder, T. Schmid, M. Schwarze,