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61
Explosion Gas Bubbles Near Simple Boundaries
Published 1997-01-01“…In order to more fully understand the behavior of bubbles created by detonations near simple boundaries, analyses incorporating fluid compressibility were conducted at various stand-off distances from simple rigid and constant pressure surface boundaries. …”
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62
Strain Monitoring of Combustible Gas Implosion Test Based on Fiber Bragg Grating
Published 2019-01-01“…In the ethylene flammable implosion tests, an FBG was placed on the inner surface of the bottom plate of the rectangular steel test device near the detonation vent by the sticking method. The reliability and repeatability of the strain change of the FBG affected by detonation overpressure and combustion were tested at this point. …”
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63
Target Loading from a Submerged Explosion
Published 2010-01-01“…The pressure on a flat plate suspended over a submerged detonation is measured and simulated. Calculation and experiment are in relatively good agreement, although there is variation in experimental results and simulations are sensitive, near the centerline, to the computational details. …”
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64
Fully Coupled FE Analyses of Buried Structures
Published 1994-01-01“…Current procedures for determining the response of buried structures to the effects of the detonation of buried high explosives recommend decoupling the free-field stress analysis from the structure response analysis. …”
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65
OPTIMIZATION OF DIMENSION AND SHAPE FOR BALL VALVE BODY IN FIRE SAFE DESIGN
Published 2015-09-01“… The fire safe valves are designed for petroleum and petrochemical complexes and allied industries because working fluid characteristics result in a high fire risk, detonation and / or explosion. Fire Safe Certification is achieved through a standardized fire testing. …”
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66
Dynamic energy absorption of Cu–W interpenetrating phase composites
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67
Data driven prediction of fragment velocity distribution under explosive loading conditions
Published 2025-01-01“…The fragment resultant velocities are correlated with key design parameters including casing dimensions and detonation positions. The paper details the finite element analysis for fragmentation, the characterizations of the dynamic hardening and fracture models, the generation of comprehensive datasets, and the training of the ANN model. …”
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68
Simulation of plutonium-aerosol rise under chemical explosion conditions
Published 2025-01-01“…The state of the explosive products after the single-point detonation of the explosives was simulated. The numerical simulation of plutonium-aerosol rise was carried out based on the discrete phase model according to the simulation results of the chemical explosion. …”
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69
Ground Motion and Air Overpressure Study
Published 1998-01-01“…A seismic attenuation and air overpressure study was conducted to determine the attenuation of explosion induced ground motions and air overpressures as a function of distance from shallow subsurface detonated charges, and to derive parameters to predict blast effects at distances beyond the ordinance disposal facility boundary. …”
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70
Shock reaction model for impact energy release behavior of Al/PTFE reactive material
Published 2024-12-01“…The shock energy release process of reactive materials is different from the shock detonation process of traditional high explosives. Therefore, the existing reaction models describing the shock detonation process of explosives are not applicable to describe reactive substances. …”
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71
Distribution and Fate of Military Explosives and Propellants in Soil: A Review
Published 2012-01-01“…Soils worldwide are contaminated by energetic materials from manufacturing operations; military conflict; military training activities at firing and impact ranges; and open burning/open detonation (OB/OD) of obsolete munitions. Energetic materials undergo varying degrees of chemical and biochemical transformation depending on the compounds involved and environmental factors. …”
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72
Influences of the Cloud Shape of Fuel-Air Mixtures on the Overpressure Field
Published 2016-01-01“…Based on the experimental results, the overpressure field was divided into two zones: detonation wave zone and shock wave zone. It is found that the overpressure of shock waves at the same distance from the explosion center increased with the diameters, but the variations of heights had little impact on the overpressure. …”
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73
Plutonium in the Arctic Marine Environment — A Short Review
Published 2004-01-01“…Anthropogenic plutonium has been introduced into the environment over the past 50 years as the result of the detonation of nuclear weapons and operational releases from the nuclear industry. …”
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74
Experimental Study on Shock Wave Propagation of the Explosion in a Pipe with Holes by High-Speed Schlieren Method
Published 2020-01-01“…In perpendicular orientation, oblique shock wave fronts were observed, indicating the propagation of explosion detonation along the charge. Shock wave velocity in the hole direction is larger than that in the nonhole direction, indicating the function of holes in controlling blast energy, that is, leading blast energy to hole direction. …”
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75
Study on the Mechanism of Sparks Generated Mechanical Friction
Published 2022-01-01“…The result indicates that friction sparks are indeed easier to detonate gas than hot surfaces. Moreover, a mathematical model based on the heat transfer theory is used to prove that the sparks induced by friction from TC4 alloys are more hazardous than those induced by friction from copper and Q235A steel. …”
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76
Differences in Nanosecond Laser Ablation and Deposition of Tungsten, Boron, and WB2/B Composite due to Optical Properties
Published 2016-01-01“…The ablation seems to be the detonation in the liquid phase. The deposition mechanism is related mainly to the mechanical transport of the target material in the form of droplets, while the gaseous phase plays marginal role. …”
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77
Experimental Study of Gangue Layer Weakening with Deep-Hole Presplitting Blasting
Published 2021-01-01“…The effect of the different blasting hole spacings and arrangements and different detonation methods on the weakening of coal seam clamping by gangue is studied, and the best configuration is identified. …”
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78
Nazi Almanyası Etkisindeki İtalyan Sosyal Cumhuriyeti'nin Propaganda Posterleri Üzerine İnceleme
Published 2018-07-01“…İncelenen posterler Fransız Göstergebilimci Roland Barthes'ın ortaya koyduğu düzanlam (detonation) ve yanalam (connotation) boyutunda analiz edilerek, posterlerde verilmek istenen gizli mesajlar açıklanmaya çalışmıştır. …”
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79
Penetration Form of Inter-Hole Cracks under Double-Hole Blasting Conditions with Inclined Fissures
Published 2021-01-01“…The peak propagation velocity decreased with the increasing vertical distance between the prefabricated fracture and the borehole, and the stress intensity factor at the crack tip immediately reached its peak value after detonation, and the oscillation then decreased. These research results can serve a basis for reducing tunnel blasting over-excavation under this condition and optimizing blasting parameters.…”
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80
Effects of Surface Modification of Nanodiamond Particles for Nucleation Enhancement during Its Film Growth by Microwave Plasma Jet Chemical Vapour Deposition Technique
Published 2014-01-01“…Hydrogen plasma, thermal, and surfactant treatment techniques were employed to improve the dispersion characteristics of detonation nanodiamond particles in aqueous media. The seeding of silicon substrate was then carried out with an optimized spin-coating method. …”
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