نتایج جستجو برای: gaseous detonation
تعداد نتایج: 15942 فیلتر نتایج به سال:
in this work, the feasibility study for design of a laboratory sample rde which has an annular geometry with diameter of 76 mm and length of 101 mm has been performed. detonation engines are expected to be used as propulsion system in aerospace applications in the future. several types of detonation engines are currently under examination, including the rotating detonation engine (rde). first, ...
Gaseous detonation propagation in a thin channel with regularly spaced cylindrical obstacles was investigated experimentally and numerically. The wave substantial velocity deficits is observed the details of its mechanism are described based on experimental measurements luminosity pressure three-dimensional flow fields obtained by numerical simulations. Both experiments simulations indicate sig...
D ETONATION, a shock-induced combustion process in which the heat releasemakes a strong contribution to the support of the lead shock, is one of the most rapid chemical energy release processes in nature. For self-sustained detonations propagating in gases initially at atmospheric pressure and temperature, energy release rates approaching 10 W=m are not uncommon, and propagation velocities on t...
In this paper, the sympathetic detonation is studied. In this type of detonation, the shock wave of an explosive by passing through a neutral environment (gap) induces the detonation in the second explosive. The study of this phenomenon is important to the safety of the ammunition depot and their transportation. In the present study, the sympathetic detonation in Comp-B has been studied. In thi...
In this paper, an evaluation method is presented for assessment of detonation occurrence hazard on the basis of some experimental data. This method is applied on a supersonic jet at the exit of a propulsion system including hydrogen. Because of mixing hydrogen with the surrounding air, a combustible mixture is occurred which detonation occurrence hazard is assessed in this mixture. Types of det...
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