Laser energy deposition in crossing shock interaction

Yan, Hong; Knight, Doyle; Elliott, Greg

doi:10.1007/978-3-540-27009-6_81

Cited by 1 publication

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References 9 publications

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“…The thermal plasma/gas regions are always present, for example, in the energy deposition experiments and they are described, in the absence of diffusion, as nonuniform gas objects, with a temperature profile for the initial temperature distribution that can be approximated with a Gaussian function. 23 The effects of the shock-plasma interaction have been an area of interest mostly due to its applications in aerospace for aerodynamic flow control in supersonic flights and for atmospheric reentry; 14,[24][25][26][27][28][29][30][31][32][33][34][35] in MHD for shock wave structure control; in astrophysics for shock waves generated in stellar interior; 15,16 and in environmental science for sonic boom suppression. Another area of considerable interest is the shock wave assisted combustion, where a shock wave can be used to affect the ignition conditions in the gas.…”

Section: Introductionmentioning

confidence: 99%

The cumulative energy effect for improved ignition timing

Markhotok

2015

Physics of Plasmas

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A technique capable of improving timing in ignition applications is proposed. It is based on the use of shock waves propagating in a specific medium that allows achieving extremely high speeds and energies. The model uses the energy cumulation effect in the presence of the shock wave refraction on an interface with plasma. The problem was solved analytically and the effects were demonstrated for a cylindrically symmetrical geometry. Numerical results show very quick and uneven acceleration of different portions of the shock front. Its strong distortions lead to formation of a sharply focused jet near the axis of symmetry. The ability of the shock to achieve extremely high speeds and energies can be useful in design of efficient combustors for hypersonic systems, and possibly offers an alternative way of construction of a nuclear fusion reactor. Recommendations are given in terms of adjustment parameters and can be applied at any problem scale and for various combinations of the strengths of the effects involved in the problem. V C 2015 AIP Publishing LLC. [http://dx.

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Section: Introductionmentioning

confidence: 99%

The cumulative energy effect for improved ignition timing

Markhotok

2015

Physics of Plasmas

View full text Add to dashboard Cite

show abstract

Laser energy deposition in crossing shock interaction

Cited by 1 publication

References 9 publications

The cumulative energy effect for improved ignition timing

The cumulative energy effect for improved ignition timing

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