Effect of a plane acoustic pressure wave on a reinforced cylindrical shell

1992 ◽  
Vol 33 (5) ◽  
pp. 717-722
Author(s):  
N. I. Aleksandrova ◽  
I. V. Efimova
Keyword(s):  
Cylindrical Shell ◽  
Pressure Wave ◽  
Acoustic Pressure ◽  
Acoustic Pressure Wave ◽  
Reinforced Cylindrical Shell

Displacement of a rigid cylinder subjected to an acoustic pressure wave

1968 ◽  
Vol 4 (10) ◽  
pp. 1-5 ◽  
Author(s):  
�. I. Grigolyuk ◽  
A. G. Gorshkov
Keyword(s):  
Pressure Wave ◽  
Acoustic Pressure ◽  
Rigid Cylinder ◽  
Acoustic Pressure Wave

scholarly journals Laser-induced optical breakdown applied for laser spark ignition

2010 ◽  
Vol 28 (1) ◽  
pp. 109-119 ◽  
Author(s):  
E. Schwarz ◽  
S. Gross ◽  
B. Fischer ◽  
I. Muri ◽  
J. Tauer ◽  
...  
Keyword(s):  
Pressure Wave ◽  
Internal Combustion Engines ◽  
Acoustic Pressure ◽  
Laser System ◽  
Optical Breakdown ◽  
Acoustic Energy ◽  
Pollutant Emission ◽  
High Peak Power ◽  
Laser Spark ◽  
Acoustic Pressure Wave

AbstractIn the present article, the experimental investigation of optical breakdown induced by ns/mJ pulses at two wavelengths, 1064 nm and 532 nm, in air of atmospheric pressure is reported and discussed. The obtained breakdown thresholds were compared with theory and are in good agreement. The generated plasmas have been characterized by their amount of scattered laser light, energy transmission, and change of the transmitted temporal shape. Laser-induced plasma formation in a gas, in air, also generates an acoustic pressure wave. The acoustic energy is compared to the laser pulse energy and is found to be linearly dependent. Moreover, the frequency distribution of the characteristic acoustic pressure wave was analyzed. The experiments described were accomplished in order to optimize a laser ignition system with regard to efficiency and costs. The laser system employed for these investigations is a compact high peak power, passively Q-switched, longitudinally diode-pumped solid-state laser. Such a “laser spark plug” should replace conventional spark plugs in internal combustion engines because conventional ignition has reached its limits in terms of efficiency and durability. Thereby, a reduction of pollutant emission should also be feasible.

scholarly journals INFLUENCE OF ACOUSTIC PRESSURE WAVE ON THE MOVEMENT OF THE UNDERWATER

2021 ◽  
Vol 2 (11(75)) ◽  
pp. 34-42
Author(s):  
V. Mel’nick ◽  
N. Gnateiko
Keyword(s):  
Comparative Analysis ◽  
Pressure Wave ◽  
Total Pressure ◽  
Acoustic Pressure ◽  
Pressure Pulse ◽  
Moving Medium ◽  
Translational Movement ◽  
Acoustic Pressure Wave ◽  
Real Medium ◽  
Forced Movement

The forced movement of the submarine under the action of an acoustic pressure wave at rectilinear and uniform movement of the device is analyzed. The analysis of the dynamics of translational movement of the hull under the action of an acoustic pressure wave in an ideal environment, which makes it possible to assess the physical properties of the environment and the elastic properties of the outer hull on the value of the maximum movement of the submarine. It is proved that if the total pressure pulse is limited, then the water particles will receive certain displacements and it can be expected that under these conditions the displacement of the submarine will be determined. The results of the analysis make it possible to conduct a comparative analysis of the translational movement of the submarine under the action of an acoustic pressure wave, taking into account the characteristics of the moving medium, more precisely, taking into account the viscosity of the real medium

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