Showing 41 - 60 results of 96 for search '"detonator"', query time: 0.06s Refine Results
  1. 41

    Study on the 2D Optimization Simulation of Complex Five-Hole Cutting Blasting under Different Lateral Pressure Coefficients by Jing Gao, Shizhen Xie, Xiantang Zhang, Hongli Wang, Wenle Gao, Hongmin Zhou

    Published 2020-01-01
    “…In order to study the rock-breaking process of complex differential blasting under deep high crustal stress, the instantaneous detonation of each model and the priority detonation of the central hole are numerically simulated. …”
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    Article
  2. 42

    Modeling Blast Loading on Buried Reinforced Concrete Structures with Zapotec by Greg C. Bessette

    Published 2008-01-01
    “…A coupled Euler-Lagrange solution approach is used to model the response of a buried reinforced concrete structure subjected to a close-in detonation of a high explosive charge. The coupling algorithm is discussed along with a set of benchmark calculations involving detonations in clay and sand.…”
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  3. 43

    EM Database v1.0: A benchmark informatics platform for data-driven discovery of energetic materials by Xin Huang, Wen Qian, Jian Liu, Jun-hong Zhou, Chao-yang Zhang

    Published 2024-12-01
    “…., crystal density, enthalpy of sublimation, molar heat of formation, detonation pressure, detonation velocity, detonation heat, and detonation volume) obtained using models of quantitative structure-property relationships. …”
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  4. 44

    Experimental Study of Bilinear Initiating System Based on Hard Rock Pile Blasting by Yusong Miao, Xiaojie Li, HongHao Yan, Xiaohong Wang, Junpeng Sun

    Published 2017-01-01
    “…Furthermore, on the basis of the detonation wave collision theory, frontal collision, oblique reflection, and Mach reflection during detonation wave propagation were studied. …”
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    Article
  5. 45

    Effect of Aluminum Powder Content on Air Blast Performance of RDX-Based Explosive Grenade Charge by Kun Zhang, Xuesong Feng, Juan Zhao, Bo Feng, Xiao jun Feng, Xiaofeng Wang

    Published 2022-01-01
    “…The results show that RDX-based aluminized explosives have higher detonation heat, detonation velocity, and detonation volume when the aluminum powder content is 20%, and the shock wave over pressure as well as impulse keep a high level at the same time within 4.5 m. …”
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  6. 46

    Characteristics of a New Plastic Explosive Named EPX-1 by Ahmed Elbeih

    Published 2015-01-01
    “…Sensitivities to impact and friction were measured. The detonation velocity was measured experimentally and the detonation characteristics were calculated by EXPLO5 thermodynamic code. …”
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  7. 47

    Investigation of Shock Initiation in Covered Charges under Shock Wave and Fragment Impacts by Xingwang Chen, Jinxiang Wang, Kui Tang, Hongfei Wang, Yuanbo Li

    Published 2021-01-01
    “…According to the results, increase in the diameter of covered plates containing a cylindrical notch increased pressed TNT critical detonation distance. When dealing with a covered plate containing a normally reflected frustum notch, however, we figured out that any increase in normal reflection slope could decrease pressed TNT critical detonation distance.…”
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  8. 48

    Comprehensive study on impact of hydrogen peroxide decomposition on the crucial parameters of OSM-type energetic materials by Mateusz Polis, Agnieszka Stolarczyk, Konrad Szydło, Magdalena Fabin, Mateusz Pytlik, Barbara Lisiecka, Tomasz Jarosz

    Published 2024-06-01
    “…The main objective of the study was to investigate the various compositions of OSM-type energetic materials in terms of the evolution over time of their energetic properties (including the “raw” energetic material strength and the ability to sustain the propagation of a detonation wave) and the volume of the post-detonation gases. …”
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  9. 49

    Study on the LES of Premixed Gas Flame Dynamics in a Weak Confinement Structure: The Influence of Continuous Obstacle Plates by X. Shao, J. Gao, B. Hao, B. Ai, Y. Han, Y. Wu, B. Guo

    Published 2025-02-01
    “…In this paper, experimental and simulation methods are combined to investigate the detonation characteristics of propane(C3H8)-air mixtures. …”
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  10. 50

    Model for Calculating Seismic Wave Spectrum Excited by Explosive Source by Qian Xu, Zhong-Qi Wang

    Published 2021-01-01
    “…The results of using this model show that the main frequency and the bandwidth of the seismic waves caused by the explosion are influenced by the initial detonation pressure, the adiabatic expansion of the explosive, and the geotechnical parameters, which increase with the reduction of initial detonation pressure and the increase of the adiabatic expansion. …”
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  11. 51

    Measurement of Strong Shock Pressure by Hajime Takada, Daisuke Fujimaki, Takao Tsuboi

    Published 1997-01-01
    “…This paper deals with measurement of a strong shock pressure like an imploding detonation of over 1 GPa which cannot be measured directly with currently available commercial pressure transducers. …”
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  12. 52

    Experimental Study on Directional Fracture Blasting of Cutting Seam Cartridge by Renshu Yang, Jinjing Zuo

    Published 2019-01-01
    “…The research results show that during cartridge explosion, the cutting seam pipe can effectively control the energy release and detonation gas dynamic behaviors. Additionally, the cartridge blast wave and the detonation gas remain highly symmetrical in expansion form. …”
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  13. 53

    Study on the Shock Wave Characteristics of Spherical and Cylindrical Explosives in Near-field Underwater Explosion by J. Yu, X. P. Zhang, J. Wang, Y. Hao, H. B. Mao

    Published 2025-02-01
    “…Furthermore, the description of the detonation reaction incorporates a newly developed programmed burn model. …”
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  14. 54

    The Influence of Soil Parameters on the Impulse and Airblast Overpressure Loading above Surface-Laid and Shallow-Buried Explosives by John Q. Ehrgott Jr., Stephen A. Akers, Jon E. Windham, Denis D. Rickman, Kent T. Danielson

    Published 2011-01-01
    “…The dynamic airblast, fragmentation, and soil ejecta loading environments produced by the detonation of surface-laid and shallow-buried mines are major threats to lightweight military vehicles. …”
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  15. 55

    Blast Demolition Study of Guyed Masts by Abinet K. Habtemariam, Volkmar Zabel, Marcelo J. Bianco, Carsten Könke

    Published 2018-01-01
    “…The risk of undesirable demolition outcome due to this uncertainty can be mitigated by using controlled detonation setups. In this paper, a sensitivity analysis is presented using a case study to determine the influence of the explosive detonation time on the collapse development and pattern of the guyed mast. …”
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  16. 56

    Application and Development of an Environmentally Friendly Blast Hole Plug for Underground Coal Mines by Donghui Yang, Yixin Zhao, Zhangxuan Ning, Zhaoheng Lv, Huafeng Luo

    Published 2018-01-01
    “…The tests results showed that, compared with clay stemming, the new method proposed in this paper could prolong the action time of the detonation gas, prevent premature detonation gas emissions, reduce the unit consumption of explosives, improve the utilization ratio, reduce the labor intensity of workers, and improve the effect of rock blasting with low cost of rock breaking.…”
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  17. 57

    Study of Two-Step Parallel Cutting Technology for Deep-Hole Blasting in Shaft Excavation by Renshu Yang, Changda Zheng, Liyun Yang, Jinjing Zuo, Tonglei Cheng, Chenxi Ding, Qing Li

    Published 2021-01-01
    “…The upper section was detonated first, creating sufficient free surface for the lower section, which was detonated secondly. …”
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  18. 58
  19. 59

    Study on Blasting Characteristics of Soft-Hard Rock Strata Based on Energy Fields and Particle Expansion Loading Algorithm by Jianbin Cui, Liangfu Xie, Yongjun Qin, Xuejun Liu, Wei Qiao, Zeyu Hu, Liming Wu, Liewang Qiu, Ke Huang

    Published 2022-01-01
    “…The law of crack number varying with the distance is obtained through further analysis. (ii) When detonated in the hard rock, if the structural plane is about 2 times the radius of crushing area from blasthole, the rock mass will be in a relatively high stress state due to the reflection and superposition of stress waves. …”
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  20. 60

    ELECTROPHYSICAL ASPECT OF DESTRUCTION OF ULTRA-DISPERSED DIAMOND SHELLS IN THE COATING OF ABRASIVE GRAINS OF DIAMOND-SPARK GRINDING TOOL by Yury GUTSALENKO, Cătălin IANCU

    Published 2022-05-01
    “…The mechanism of inclusion in abrasive cutting of diamond grains of grinding wheels, before sintering with a bond, protected by a thin metal coating with the inclusion of hollow shell nanostructures of detonation synthesis diamonds, is considered. A scheme of thermophysical gradient loading of shells under the influence of an electric field is presented. …”
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