Showing 61 - 80 results of 113 for search '"detonator"', query time: 0.04s Refine Results
  1. 61

    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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    Article
  2. 62

    Signal characteristics of surface seismic explosive sources near the West Antarctic Ice Sheet divide by Marianne S. Karplus, Nori Nakata, Galen M. Kaip, Steven H. Harder, Lucia F. Gonzalez, Adam D. Booth, Emma C. Smith, Stephen A. Veitch, Jacob I. Walter, Poul Christoffersen

    Published 2024-01-01
    “…The Poulter shots had a higher amplitude for low frequencies (<10 Hz) and comparable amplitude at high frequencies (>50 Hz) relative to the detonating cord. Amplitudes, frequencies, speed of source set-up, and cost all suggested Poulter shots to be the preferred surface source compared to detonating cord for future 2-D and 3-D seismic surveys on glaciers.…”
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  3. 63

    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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  4. 64

    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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    Article
  5. 65

    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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  6. 66

    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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  7. 67

    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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  8. 68

    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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  9. 69
  10. 70

    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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  11. 71

    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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  12. 72

    Explosion Gas Bubbles Near Simple Boundaries by James E. Chisum, Young S. Shin

    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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  13. 73

    Target Loading from a Submerged Explosion by Andrew Wardlaw, William Fourney, Ulrich Leiste

    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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  14. 74

    Strain Monitoring of Combustible Gas Implosion Test Based on Fiber Bragg Grating by Lei Gao, Qinghua Zhang, Erbing Li, Yangyang Sun, Zhenglin Zhang, Shikun Pu, Xiejun Cheng, Fengjuan Rong

    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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  15. 75

    Fully Coupled FE Analyses of Buried Structures by James T. Baylot

    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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  16. 76

    OPTIMIZATION OF DIMENSION AND SHAPE FOR BALL VALVE BODY IN FIRE SAFE DESIGN by GHEORGHIŢA TOMESCU, RADU IATAN, IULIANA IAŞINICU (STAMATE)

    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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  17. 77

    HHO–LSSVM prediction model of blast casting muck pile morphology based on Gaussian distribution by Ning MA, Li MA, Yinda LI, Tianxiang LI, Sen YANG, Fuming LIU, You ZHOU, Xiaomin WANG, Qifeng ZHANG, Mengbo LI

    Published 2024-12-01
    “…By using a 1–8th order Gaussian distribution model to simulate and analyze the detonation profile curve, it was determined that the simulation accuracy and efficiency reach an optimal level when the order is 5. …”
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  18. 78
  19. 79

    Data driven prediction of fragment velocity distribution under explosive loading conditions by Donghwan Noh, Piemaan Fazily, Songwon Seo, Jaekun Lee, Seungjae Seo, Hoon Huh, Jeong Whan Yoon

    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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  20. 80

    Simulation of plutonium-aerosol rise under chemical explosion conditions by Hongyi Yao, Yonggang Huo, Xingfu Cai, Sufen Li, Haowei Wang

    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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