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Enhanced signal-to-noise ratio and bandwidth through explosives design
Geophysics of the 21st Century - The Leap into the Future, 2003Summary The signal-to-noise ratio and bandwidth of explosivesourced seismic data are the direct result of the properties of the explosives used and the nearsurface conditions. Conventional wisdom has dictated that certain properties are desirable in seismic explosives.
D. Bremner +3 more
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Isolation of components of plastic explosives for isotope ratio mass spectrometry
Forensic Chemistry, 2016Abstract An improved method for the separation of the components of plastic explosives is described with the goal of stable isotope ratio analysis of each isolated component. The binder and plasticizer of a plastic explosive were extracted into cyclohexane, leaving the explosive components and other insoluble material.
John D. Howa +3 more
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On the Calculation of Steam Explosion Conversion Ratios from Experimental Data
Nuclear Science and Engineering, 1990Conversion ratios reported for the Sandia National Laboratories intermediate-scale (FITS-B series) steam explosion experiments have been examined and recalculated. It is shown that these conversion ratios corresponding to the work done to compress the chamber air, {eta}{sub D} range from 0.05 to 1.04% compared with reported values of 0.2 to 8.6%.
Y. M. Farawila, S. I. Abdel-Khalik
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Discrimination of earthquakes and explosions by the rayleigh-wave spectral ratio
Bulletin of the Seismological Society of America, 1970Abstract Limited data from a long-period vertical seismometer and the prototype of a new mercury tiltmeter at the station, Harvard, Massachusetts, tend to confirm that the Rayleigh-wave spectral ratio of short- to long-period energy provides a useful discriminant for underground explosions in the Western United States at distances of ...
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Signal-to-noise ratio and spectra of explosion-generated Rayleigh waves
Bulletin of the Seismological Society of America, 1962abstract This preliminary theoretical study is basically concerned with the estimation of the depth of an explosive source from a knowledge of the radiated Rayleigh wave. Details are given of the dependence of the amplitude spectrum on the explosive yield, depth of burial, horizontal range, and the elastic parameters of the medium. It is
J. W. C. Sherwood, T. W. Spencer
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The influence of volume blockage ratio on IOCL Jaipur explosion
Journal of Loss Prevention in the Process Industries, 2018Abstract In present work the influence of VBR (Volume Blockage Ratio) on explosion overpressure generation are studied. As a reference a model plant of IOCL (Indian Oil Corporation Limited) Jaipur accident, 2009 is constructed with the help of CFD (Computational Fluid Dynamics).
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Aspect Ratio Effects in Unvented and Vented Dust Explosions
Industrial & Engineering Chemistry Research, 2011The sizing of vents for explosion protection of equipment and buildings depends on many characteristics of the system, including details of the geometry of the protected enclosure.
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Spectral ratio analyses of explosion earthquakes at Sakurajima Volcano, Japan
Journal of Volcanology and Geothermal Research, 2019Abstract It's quite important to clarify what physical parameters control the magnitude of volcanic explosion to understand magma processes in the conduit. Analyses of explosion earthquakes, which are associated with vulcanian eruptions, enable us to quantitatively evaluate dynamic process of the explosive eruptions.
Mohammad Hasib +2 more
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Identification of Earthquakes and Explosions Using Amplitude Ratios: The Vogtland Area Revisited
Pure and Applied Geophysics, 2002Identification of seismic events is a major scientific issue in the framework of verification of the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Of special interest in this context is the identification of the numerous low-yield mining or blasting events, especially those occurring in the same area as earthquakes, such as the Vogtland area in the ...
Karl Koch, Donat Fäh
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Effect of blockage ratios on the characteristics of methane/air explosion suppressed by BC powder
Journal of Hazardous Materials, 2018To investigate the effect of blockage ratios on the explosion suppression by powder suppressant, an experimental study was performed to suppress the methane-air explosion in a 5L duct with different blockage ratios and various concentrations of BC dry powder.
Ligang, Zheng +5 more
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