Zobrazeno 1 - 10
of 20
pro vyhledávání: '"S. Sai Shiva"'
Publikováno v:
The Journal of the Acoustical Society of America. 153:1655-1661
We present an acoustic detection technique to study the interaction of two shock waves emitted by two nearby, simultaneous, laser-induced air-breakdown events that resembles the phenomenon of interaction of fluids. A microphone is employed to detect
Autor:
D. P. S. L. Kameswari, Nagaraju Guthikonda, E. Manikanta, S. Sai Shiva, S. Sree Harsha, P. Prem Kiran, V. R. Ikkurthi
Publikováno v:
2020 IEEE International Conference on Plasma Science (ICOPS).
Autor:
S. Sai Shiva, E. Manikanta, P. Prem Kiran, S. Sree Harsha, D. P. S. L. Kameswari, V. R. Ikkurthi, Nagaraju Guthikonda
Publikováno v:
Physics of Plasmas. 28:043104
The interaction and evolution dynamics of two counterpropagating shockwaves generated by two collinear laser induced air plasmas of equal and unequal energies are presented. The formation of a stagnation layer during the interaction of the shockwaves
Autor:
Elle Manikanta, P. Prem Kiran, S. Sai Shiva, V. R. Ikkurthi, S. Sree Harsha, Nagaraju Guthikonda, Leela Chelikani
Publikováno v:
Physics of Plasmas. 27:023107
The interaction of two counterpropagating plasmas and shockwaves due to a 7 ns laser induced breakdown (LIB) of ambient atmospheric air was studied using the 2D emission and shadowgraphic imaging technique. The effect of separation distance (d) betwe
Publikováno v:
AIP Conference Proceedings.
A one-dimensional, three-temperature (electron, ion and thermal radiation) numerical model was developed to study the laser induced shock wave (LISW) propagation from aluminum target in ambient air at atmospheric pressure. The hydrodynamic equations
Publikováno v:
Physics of Plasmas. 26:072108
Ablative plasma and a shock wave (SW) in ambient air were experimentally produced using Nd:YAG laser pulses of ∼7 ns width and a wavelength of 532 nm. The numerical simulations of the experiments were performed using a two-dimensional axis-symmetri
Publikováno v:
Physics of Plasmas. 24:083110
A two-dimensional axis symmetric hydrodynamic model was developed to investigate nanosecond laser induced plasma and shock wave dynamics in ambient air over the input laser energies of 50–150 mJ and time scales from 25 ns to 8 μs. The formation of
Publikováno v:
Physics of Plasmas. 23:053107
The effect of electron thermal radiation on 7 ns laser ablative shock waves from aluminum (Al) plasma into an ambient atmospheric air has been numerically investigated using a one-dimensional, three-temperature (electron, ion, and radiation) radiatio
Autor:
S. Sai Shiva, Surya P. Tewari, G. Manoj Kumar, Ch. Leela, P. Venkateshwarlu, V. Rakesh Kumar, P. Prem Kiran, E. Manikanta
Publikováno v:
SPIE Proceedings.
We present the measurements on the propagation characteristics of the laser generated acoustics shock waves and the vibrations inside material targets from laser-metal interaction in real time. Laser pulses (7 ns) from second harmonic of a Nd: YAG la
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