Gas Detonation and its Application in Engineering and Technologies (Review)

  title={Gas Detonation and its Application in Engineering and Technologies (Review)},
  author={Yu. A. Nikolaev and Anatoly A. Vasil’ev and B. Yu. Ul'yanitskii},
  journal={Combustion, Explosion and Shock Waves},
The most relevant aspects of advanced experimental investigations of gas detonation and its mathematical simulation are presented. Examples of the engineering use of gas detonation are given. 

Numerical modeling of detonation suppression in the reacting gas mixtures by clouds of inert nanoparticles

The physical and mathematical models for the description of the detonation process in mixtures of hydrogen-oxygen, methane-oxygen and silane-air in the presence of inert nanoparticles were proposed...

Calculation of detonation gas spraying

A model of processes in the barrel of a detonation facility for application of powder coatings, which takes into account the variable composition of the working gases in the barrel, is presented. It

Limits of gaseous detonation spraying

The maximum possible values of adhesion and cohesion are calculated for a number of powder materials, substrate materials, sizes of installation barrels, and compositions of explosive gas mixtures.

Detonation properties of the synthesis gas

Investigated parameters of combustion and detonation of mixtures of the synthesis gas with oxygen and air are presented. The ratios between carbon oxide and hydrogen and between the fuels and

Simplified approach to the simulation of detonation waves in gases

The possibility of simulation of gas-detonation products by an isothermal medium was considered. It is shown that the simplified approach proposed for simulation of the propagation of detonation

Design concepts of gaseous detonation guns for thermal spraying

S u m m a r y . Presented a structural analysis of gaseous detonation guns for spraying powder coatings and the possible variants of their operational cycle. The basic principles for the design of

Detonation Transformation in Materials

Detonation is a supersonic motion of a front of exothermic chemical reaction through a medium, i.e. a reactive shock wave.

Reducing the critical pressure of detonation initiation in transmission to a semiconfined volume

The classical methods of initiating detonation in a volume of a reacting mixture have been studied in sufficient detail but they are not always suitable for practical purposes. This paper studies the

Estimation of the energy of detonation initiation in a hydrogen-oxygen mixture by a high-velocity projectile

The paper presents the results of a numerical study of the initiation of oblique detonation modes by a high-velocity projectile moving in an argon-diluted hydrogen?oxygen mixture. The simulation of

Acceleration and heating of powder particle by gas detonation products in channels with a conical passage

The results of numerical modeling and experimental realization of the impact of a chemically reacting gas flow on powder particles during profiling (diameter increase while maintaining volume) of the



Detonation of gas jets

The authors experimentally and mathematically assess the detonation processes occurring in acetylene, methane, acetaldehyde, ethane, propane, butane, hydrogen, oxygen and their mixtures toward the

On gas detonation limits

A one-dimensional model for a multiheaded detonation has been constructed with account for friction, heat losses, and the decay of gas velocity pulsations. The existence of detonation limits in

Hydrogen Accidents and their Hazards

The data on detonation hazards of hydrogen in a wide range of its concentration in mixes with oxygen and air and with water steam are presented. The critical energy of direct initiation of a

Computation of the detonation limits in gaseous hydrogen-containing mixtures

A systematic investigation was undertaken of the possibility to derive a one-dimensional detonation limit theory using the hydrogen-containing mixture as an example. The treatment was based on a

Detonation Waves in Condensed Media

Abstract : The report discusses the results of original research by the authors on the structure of the detonation front and the limit conditions of excitation and propagation of detonation in

Near-limiting detonation in channels with porous walls

The propagation of detonation is studied in channels with walls whose acoustic resistance varies over a factor of 4000. Noticeable weakening of detonation waves is observed in near-critical regions.

The Limits of Stationary Propagation of Gaseous Detonation

The intent attention of the researchers from many countries to the problems of detonation is sure to play an important role in study and modern understanding of many aspects of this field of

Detonation combustion of gas mixtures using a hypervelocity projectile

This paper considers, from a unified point of view, problems of initiation of detonation combustion of a gaseous mixture using a hypervelocity projectile (HVP), The consideration is based on the

Explosive combustion of a gas mixture in radial annular chambers

Experimental results are described for continuous explosive ignition of compressed gases in flat annular chambers. The basis of the process is B. V. Voitsekhovskii's transverse-detonation method. Two

An approximate calculation of the isentrope of a gas in chemical equilibrium

An approximate method to calculate the isentrope of a gas in chemical equilibrium is suggested. An analysis of the approximate model conventionally used for this purpose is given.