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  • Key words: Shock-wave focusing, Detonation initiation  (1)
  • Key words:Shock tube experiments, Formation of molecules, Microwave absorption technique  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Microwave detection of molecules formed by shock wave induced reactions (1998)
    Springer
    Shock waves 8 (1998), S. 385-388 
    Details
    ISSN: 1432-2153
    Keywords: Key words:Shock tube experiments, Formation of molecules, Microwave absorption technique
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics , Technology
    Notes: Abstract. The paper describes experimental investigations in a shock tube concerning the formation of new molecules using He as a driver gas and a mixture of Kr, CH $_4$ and NH $_3$ as driven gas, where Kr serves as diluant. By microwave absorption technique it was possible to detect HCN, CH $_2$ O and CH $_3$ NH $_2$ as reaction products. Obviously, these molecules were formed in the plasma behind the shock wave. In addition, the “swan bands” of C $_2$ have been observed with optical methods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001930050132
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of reflection type on detonation initiation at shock-wave focusing (2000)
    Springer
    Shock waves 10 (2000), S. 205-215 
    Details
    ISSN: 1432-2153
    Keywords: Key words: Shock-wave focusing, Detonation initiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics , Technology
    Notes: Abstract. From practical and theoretical standpoints, the initiation of combustion in gaseous media due to the shock waves focusing process at various reflectors is a subject of much current interest. The complex gas flowfield coupled with chemical kinetics provides a wide spectrum of possible regimes of combustion, such as fast flames, deflagration, detonation etc. Shock wave reflection at concave surfaces or wedges causes converging of the flow and produces local zones with extremely high pressures and temperatures. The present work deals with the initiation of detonation due to shock waves focusing at parabolic and wedge reflectors. Particular attention has been given to the determination of the critical values of the incident shock wave (ISW) Mach number, parameters of the combustible mixture, and geometrical sizes of reflector at which different combustion regimes could be generated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001930050008
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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