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494.680  Articles
1 of 49.468 pages  |  10  records  |  more records»
The paper reports a study into the initiation of detonation in pulse detonation engines. The chosen direction to resolve this issue is the use of detonation tubes with multifocal ignition. We applied two spark discharges as a source of ignition, which ign... see more

Formation of detonation waves in a tube is a complex phenomenon and depends upon many factors like ignition energy, presence of a deflagration to detonation transition (DDT) enhancement device and spatial distribution of fuel, etc. In present study, gaseo... see more

Nickel hydrazine nitrate is an energetic coordination compound having explosiveproperties in between that of primary and secondary. This compound was used to develop a newtype of detonator by replacing the sensitive primary explosive, lead azide in conven... see more

Various analytical models have been developed to describe velocity profile for flame acceleration (FA) and deflagration-to-detonation transition (DDT), but none accounts for observed acceleration to constant velocity seen in case of micro gaps (in which t... see more

Theoretically, the combustion stability of solid fuel, which during the combustion process is decomposed according to the “solid phase – liquid phase – gas” scheme, is investigated. The physical and mathematical models for th... see more

The object of research is the application of detonation coatings using cheap and safe energy sources without reducing the quality characteristics of the coatings. One of the significant drawbacks of the detonation-gas method, from the point of view of saf... see more

The object of research is the application of detonation coatings using cheap and safe energy sources without reducing the quality characteristics of the coatings. One of the significant drawbacks of the detonation-gas method, from the point of view of saf... see more

The Deagration to Detonation Transition (DDT) that follows the flame acceleration has been investigated for different purposes, namely for safety concerns and for rapid transition in detonation-assisted propulsion systems. Beside its use in rocket propuls... see more

Welded products of quenched and tempered (QT) structural steels are used from ambient to moderately low design/service temperatures. Therefore, besides base metal, a weld also must possess required minimal design impact toughness (KV) at temperatures lowe... see more

1 of 49.468 pages  |  10  records  |  more records»