کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
582123 | 1453165 | 2009 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Flame acceleration and the development of detonation in fuel-oxygen mixtures at elevated temperatures and pressures
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
بهداشت و امنیت شیمی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Flame acceleration and the development of detonation in fuel-oxygen mixtures at elevated temperatures and pressures Flame acceleration and the development of detonation in fuel-oxygen mixtures at elevated temperatures and pressures](/preview/png/582123.png)
چکیده انگلیسی
Experimental measurements of the conditions required for the development of detonation in a 7Â mm tube following ignition by a low energy spark are reported. There are then compared to previous experimental propagation limit criterion using theoretical predictions of detonation cell sizes based on a one-dimensional detonation length scale computed using a detailed chemical kinetic scheme. Technical difficulties precluded direct cell size measurements. Ethylene-oxygen and hydrogen-methane-oxygen mixtures were investigated as well as methane-ammonia-oxygen, at initial pressures and temperatures in the ranges 1-7Â bar and 293-540Â K, respectively. The likelihood of detonation in ethylene-air mixtures in 150Â mm and 50Â mm pipes at ambient initial conditions is also discussed in relation to published cell width data.The results indicate that whilst detonation cell width predictions do not provide a quantitative measure of the conditions for which detonation may develop in a pipe of given diameter, for prescribed initial conditions, predicted detonation cell size data does provide useful qualitative guidance as to possible hazardous compositions, particularly if preliminary experimental safety testing is thought to be necessary.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hazardous Materials - Volume 163, Issues 2â3, 30 April 2009, Pages 783-794
Journal: Journal of Hazardous Materials - Volume 163, Issues 2â3, 30 April 2009, Pages 783-794
نویسندگان
G.O. Thomas,