منابع مشابه
The Spherical Relativistic Detonation of Scalaron Stars
Now the hypothesis of existence of scalar fields of a various nature and energy density in the modern Universe is intensively explored. It can explain a nature of the dark (nonbaryon) matter in the Universe and an existence of positive Λ-term [1]. One of component of such field has a cluster nature and organizes in the closed gravitational configurations from galactic scales up to relativistic ...
متن کاملToroidal Imploding Detonation Wave Initiator for Pulse Detonation Engines
Imploding toroidal detonation waves were used to initiate detonations in propane–air and ethylene–air mixtures inside of a tube. The imploding wave was generated by an initiator consisting of an array of channels filled with acetylene–oxygen gas and ignited with a single spark. The initiator was designed as a low-drag initiator tube for use with pulse detonation engines. To detonate hydrocarbon...
متن کاملGas Detonation Forming by a Mixture of H2+O2 Detonation
Explosive forming is one of the unconventional techniques in which, most commonly, the water is used as the pressure transmission medium. One of the newest methods in explosive forming is gas detonation forming which uses a normal shock wave derived of gas detonation, to form sheet metals. For this purpose a detonation is developed from the reaction of H2+O2 mixture in a long cylindrical detona...
متن کاملDetonation and Transition to Detonation in Partially Water-Filled Pipes
Detonations and deflagration-to-detonation transition (DDT) are experimentally studied in horizontal pipes which are partially filled with water. The gas layer above the water is stoichiometric hydrogen–oxygen at 1 bar. The detonation wave produces oblique shock waves in the water, which focus at the bottom of the pipe due to the curvature of the walls. This results in peak pressures at the bot...
متن کاملInitiation of the detonation in the gravitationally confined detonation model of Type Ia supernovae
We study the initiation of the detonation in the gravitationally confined detonation (GCD) model of Type Ia supernovae (SNe Ia). In this model, ignition occurs at one or several off-center points, resulting in a burning bubble of hot ash that rises rapidly, breaks through the surface of the star, and collides at a point on the stellar surface opposite the breakout, producing a high-velocity inw...
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ژورنال
عنوان ژورنال: Advances in Applied Mathematics
سال: 1991
ISSN: 0196-8858
DOI: 10.1016/0196-8858(91)90011-7