Academic literature on the topic 'Explosively Driven Shock Tube Testing'

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Journal articles on the topic "Explosively Driven Shock Tube Testing"

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Perry, Kyle A., and Rex A. Meyr. "Explosion Testing of a Polycarbonate Safe Haven Wall." Archives of Mining Sciences 61, no. 4 (2016): 809–21. http://dx.doi.org/10.1515/amsc-2016-0055.

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Abstract The MINER Act of 2006 was enacted by MSHA following the major mining accidents and required every underground coal mine to install refuge areas to help prevent future fatalities of trapped miners in the event of a disaster where the miners cannot escape. A polycarbonate safe haven wall for use in underground coal mines as component of a complete system was designed and modeled using finite element modeling in ANSYS Explicit Dynamics to withstand the MSHA required 15 psi (103.4 kPa) blast loading spanning 200 milliseconds. The successful design was constructed at a uniform height in bo
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Stewart, Joel B., and Collin Pecora. "Explosively driven air blast in a conical shock tube." Review of Scientific Instruments 86, no. 3 (2015): 035108. http://dx.doi.org/10.1063/1.4914898.

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Ismail, Ahmed, Mohamed Ezzeldin, Wael El-Dakhakhni, and Michael Tait. "Blast load simulation using conical shock tube systems." International Journal of Protective Structures 11, no. 2 (2019): 135–58. http://dx.doi.org/10.1177/2041419619858098.

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With the increased frequency of accidental and deliberate explosions, evaluating the response of civil infrastructure systems to blast loading has been attracting the interests of the research and regulatory communities. However, with the high cost and complex safety and logistical issues associated with field explosives testing, North American blast-resistant construction standards (e.g. ASCE 59-11 and CSA S850-12) recommend the use of shock tubes to simulate blast loads and evaluate relevant structural response. This study first aims at developing a simplified two-dimensional axisymmetric sh
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Wright, Charles. "Effective Data Validation Methodology for Pyrotechnic Shock Testing." Journal of the IEST 53, no. 1 (2010): 9–30. http://dx.doi.org/10.17764/jiet.53.1.1469p84588023508.

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Valid test data from explosively or ordnance-initiated pyrotechnic shock tests are difficult to acquire. Measurement of these frequency-rich acceleration time histories, a prerequisite to calculation of a valid shock response spectrum, drives the measurement system to its performance limits. Successful acquisition of demonstrably valid acceleration time histories requires a series of performance compromises that must be made with a depth of measurements expertise. Such expertise may not be available from vendors of the various data acquisition systems sold for these tests. All measurement syst
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Stewart, J. B. "Approximating a free-field blast environment in the test section of an explosively driven conical shock tube." Shock Waves 29, no. 2 (2018): 355–60. http://dx.doi.org/10.1007/s00193-018-0811-7.

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Tasissa, Abiy F., Martin Hautefeuille, John H. Fitek, and Raúl A. Radovitzky. "On the formation of Friedlander waves in a compressed-gas-driven shock tube." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2186 (2016): 20150611. http://dx.doi.org/10.1098/rspa.2015.0611.

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Compressed-gas-driven shock tubes have become popular as a laboratory-scale replacement for field blast tests. The well-known initial structure of the Riemann problem eventually evolves into a shock structure thought to resemble a Friedlander wave, although this remains to be demonstrated theoretically. In this paper, we develop a semi-analytical model to predict the key characteristics of pseudo blast waves forming in a shock tube: location where the wave first forms, peak over-pressure, decay time and impulse. The approach is based on combining the solutions of the two different types of wav
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Gan, Edward Chern Jinn, Alex Remennikov, David Ritzel, and Brian Uy. "Approximating a far-field blast environment in an advanced blast simulator for explosion resistance testing." International Journal of Protective Structures 11, no. 4 (2020): 468–93. http://dx.doi.org/10.1177/2041419620911133.

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While the current state of blast-resistant design methods is based largely on empirical observations of actual explosive testing or numerical simulations, experimental testing remains the ultimate method for validating blast protection technologies. Field trials for performing systematic experimental studies are exceedingly expensive and inefficient. Conventional blast simulators (shock tubes) enable blast testing to be performed in a safe and controlled laboratory environment but are significantly deficient. The Australian National Facility of Physical Blast Simulation based on the ‘Advanced
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Neely, A. J., and R. G. Morgan. "The Superorbital Expansion Tube concept, experiment and analysis." Aeronautical Journal 98, no. 973 (1994): 97–105. http://dx.doi.org/10.1017/s0001924000050107.

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Abstract In response to the need for ground testing facilities for super orbital re-entry research, a small scale facility has been set up at the University of Queensland to demonstrate the Superorbital Expansion Tube concept. This unique device is a free piston driven, triple diaphragm, impulse shock facility which uses the enthalpy multiplication mechanism of the unsteady expansion process and the addition of a secondary shock driver to further heat the driver gas. The pilot facility has been operated to produce quasi-steady test flows in air with shock velocities in excess of 13 km/s and wi
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Aljahdaly, Noufe H., and Layachi Hadji. "Buoyancy-Driven Rayleigh–Taylor Instability in a Vertical Channel." Journal of Non-Equilibrium Thermodynamics 43, no. 4 (2018): 289–300. http://dx.doi.org/10.1515/jnet-2017-0067.

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Abstract Suppose that a vertical tube is composed of two chambers that are separated by a retractable thermally insulated thin membrane. The upper and lower chambers are filled with an incompressible fluid and maintained at temperatures {T_{c}} and {T_{h}}>{T_{c}}, respectively. Upon removal of the membrane, the two fluid masses form an unstably stratified Rayleigh–Taylor-type configuration with cold and heavy fluid overlying a warmer and lighter fluid and separated by an interface across which there is a discontinuity in the density. Due to the presence of an initial discontinuity between
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KIM, JAE-HOON, YOUNG-SHIN LEE, KWON-TAE HWANG, et al. "A STUDY ON FRACTURE BEHAVIORS OF CERAMIC USING SHOCK COMPRESSIVE WAVE." International Journal of Modern Physics B 24, no. 15n16 (2010): 2549–54. http://dx.doi.org/10.1142/s0217979210065246.

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An experimental investigation was carried out to evaluate the fracture pressure and behaviors of ceramic materials for a dome port cover of an air breathing engine. The experiments were performed in a shock tube, which had a working section of 70 mm in diameter and a total length of 6 m in the shock tube. The response pressure transducers were used to measure expansion pressure and reflection pressure of working section near the end edge of the shock tube. Fractured specimens collected from the dump tank were investigated for the fracture phenomenon of ceramics after testing. The fracture pres
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Dissertations / Theses on the topic "Explosively Driven Shock Tube Testing"

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Wedding, William Chad. "EXPERIMENTAL STUDY OF BLAST RESISTANT GLAZING SYSTEM RESPONSE TO EXPLOSIVE LOADING." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_theses/31.

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This thesis recounts the experimental study of the dynamic response of a blast resistant glazing system to explosive loading. A combination of triaxial force sensors, pressure gauges, and laser displacement gauges capture the response in detail over a wide range of scenarios. The scenarios include low level blast loading to characterize the reaction at points around the perimeter of the window, moderate level blast loading to examine the repeatability of the blast scenario, and high level blast loading to capture the response during failure as the tensile membrane forms. The scenarios are mode
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Meyr, Rex Allen Jr. "DEVELOPMENT OF 15 PSI SAFE HAVEN POLYCARBONATE WALLS FOR USE IN UNDERGROUND COAL MINES." UKnowledge, 2013. http://uknowledge.uky.edu/mng_etds/3.

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Following three major mining accidents in 2006, the MINER Act of 2006 was enacted by MSHA and required every underground coal mine to install refuge alternatives to help prevent future fatalities of trapped miners in the event of a disaster. The following research was performed in response to NIOSH’s call for the investigation into new refuge alternatives. A 15 psi safe haven polycarbonate wall for use in underground coal mines was designed and modeled using finite element modeling in ANSYS Explicit Dynamics. The successful design was tested multiple times in both half-scale and small scale us
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Book chapters on the topic "Explosively Driven Shock Tube Testing"

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Stewart, Joel B. "Computational Study on the Driver Section Design of an Explosively Driven Conical Shock Tube." In Dynamic Behavior of Materials, Volume 1. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-62956-8_22.

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Conference papers on the topic "Explosively Driven Shock Tube Testing"

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Jackson, Scott I., John S. Morris, Larry G. Hill, et al. "DETERMINATION OF EXPLOSIVE BLAST LOADING EQUIVALENCIES WITH AN EXPLOSIVELY DRIVEN SHOCK TUBE." In SHOCK COMPRESSION OF CONDENSED MATTER 2009: Proceedings of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2009. http://dx.doi.org/10.1063/1.3295134.

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Stewart, Joel B. "Influence of explosively driven shock tube configuration on the mid-field blast environment." In SHOCK COMPRESSION OF CONDENSED MATTER - 2017: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. Author(s), 2018. http://dx.doi.org/10.1063/1.5045025.

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SHARMA, SURENDRA. "NASA Ames's electric arc-driven shock tube facility and research on nonequilibrium phenomena in low density hypersonic flows." In 17th Aerospace Ground Testing Conference. American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-3975.

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Hargather, Michael J., Joshua L. Smith, James Anderson, and Kyle Winter. "Optical Diagnostics for Energetic Materials Research." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-67372.

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Optical diagnostics including schlieren, shadowgraphy, and background-oriented schlieren (BOS) are used to visualize shock waves and compressible flow phenomena present in energetic and explosive events. These techniques visualize refractive index variations to obtain a range of qualitative and quantitative information. A one-dimensional explosively-driven shock tube facility is used with schlieren imaging to measure shock wave propagation speeds from explosive-thermite mixtures. The schlieren imaging visualizes turbulent flow structures in the expanding product gas region. An imaging spectrom
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