کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7048706 1457135 2016 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Ignition method effect on detonation initiation characteristics in a pulse detonation engine
ترجمه فارسی عنوان
اثر متخلخل بر روی ویژگی های شروع انفجار در یک موتور انفجار پالس
کلمات کلیدی
موتور انفجار پالس، آغاز انفجار، شمع موتور، جرقه جت، احتراق پیش انفجار، مطالعه تجربی،
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
چکیده انگلیسی
The detonation initiation performance of a kerosene fueled air-breathing pulse detonation engine was investigated. Three ignition methods were investigated experimentally, including spark ignition, hot jet, and pre-detonator. The deflagration-to-detonation transition distance measured using the hot jet initiation method was 1130 mm, a reduction of approximately 150 mm compared to the baseline spark ignition method. As the length of jet pipe decreased to 100 mm, the detonation frequency increased to 35 Hz. The PDE operating frequency had little impact on detonation initiation time when pre-detonator ignition method was used, and there was a slight deviation error of detonation initiation time at each of the operating frequencies. However, when spark and hot jet ignition methods were used, detonation initiation time decreased at the increased operating frequency and the deviation error of detonation initiation time was much higher. The shortest detonation initiation time of 2-3 ms and deflagration-to-detonation transition distance of 700 mm were obtained using the pre-detonator ignition method.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Thermal Engineering - Volume 93, 25 January 2016, Pages 1-7
نویسندگان
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