Academic literature on the topic 'Emulsion explosives'
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Journal articles on the topic "Emulsion explosives"
Yan, Shi Long, Xing Hua Xie, and Hui Sheng Zhou. "Deflagration of Emulsion Explosive." Advanced Materials Research 1082 (December 2014): 18–21. http://dx.doi.org/10.4028/www.scientific.net/amr.1082.18.
Full textXie, Xing Hua, Lei Wang, and Hui Sheng Zhou. "Enlightment of “May 20” Explosion Accident." Advanced Materials Research 1082 (December 2014): 391–94. http://dx.doi.org/10.4028/www.scientific.net/amr.1082.391.
Full textLiu, Lei, Xu Guang Wang, Yi Yang, and Guo Hua Wang. "Experimental Method Study on Emulsion Explosives under Hydrostatic Pressure in Models Blasting." Advanced Materials Research 524-527 (May 2012): 569–74. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.569.
Full textZhou, Hui Sheng, Xing Hua Xie, and Kang Xu. "Stability Test of Emulsion Matrix in the Emulsifier." Advanced Materials Research 1082 (December 2014): 26–29. http://dx.doi.org/10.4028/www.scientific.net/amr.1082.26.
Full textSinitsyn, Victor, Pavel Menshikov, and Vyacheslav Kutuev. "Estimation of Influence of Explosive Characteristics of Emulsion Explosives on Shotpile Width." E3S Web of Conferences 56 (2018): 01003. http://dx.doi.org/10.1051/e3sconf/20185601003.
Full textLiu, Lei, Hongyu Qi, Haitao Zhang, and Yongzhi Cai. "Experimental Study on Emulsion Explosive Blasting under Different Under-Water Pressure." Journal of Physics: Conference Series 2381, no. 1 (December 1, 2022): 012072. http://dx.doi.org/10.1088/1742-6596/2381/1/012072.
Full textSun, Weibo, Xuefeng Gao, Yan Wang, and Yanjun Tong. "Thermal Safety Analysis of On-Site Emulsion Explosives Mixed with Waste Engine Oil." Energies 15, no. 3 (January 26, 2022): 895. http://dx.doi.org/10.3390/en15030895.
Full textZhou, Hui Sheng, Xing Hua Xie, Shao Bo Yan, and Zeng Yuan Li. "Ceramic Oxides from Liquid Explosive Reaction." Key Engineering Materials 807 (June 2019): 176–81. http://dx.doi.org/10.4028/www.scientific.net/kem.807.176.
Full textLiu, Lei, Hongyu Qi, Haitao Zhang, and Jixing Qi. "Effect of Perlite Content on Performance of Emulsion Explosive in Under-Water Environment." Journal of Physics: Conference Series 2381, no. 1 (December 1, 2022): 012102. http://dx.doi.org/10.1088/1742-6596/2381/1/012102.
Full textZhang, Kai Ming, and Ou Qi Ni. "Study on Safety of Model II Powdery Emulsion Explosive." Applied Mechanics and Materials 496-500 (January 2014): 137–42. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.137.
Full textDissertations / Theses on the topic "Emulsion explosives"
Allum, J. "A Study of the behaviour of emulsion explosives." Thesis, Cranfield University, 2009. http://hdl.handle.net/1826/3976.
Full textVillamagna, Fortunato. "Modelling of interfaces in emulsion explosives." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39313.
Full textThe compression of fatty acid monolayers in Langmuir-Blodgett trough experiments at the air/water interface was modelled using a two dimensional array. The minimum energy configuration of the acids was obtained using the Tree Branch Methodology, and the water coordination number determined by comparison of calculated and experimentally measured dipole moments. The variation in measured dipole moments as the hydrated head group was compressed were explained.
Minimum energy configurations of known surfactant molecules used in the preparation of water-in-oil emulsion explosives were obtained through the Tree Branch Methodology, and the optimised geometries used to calculate structural parameters assuming standard van der Waals radii around each atom. Comparison of the structural parameters to the stability of the emulsions in which the surfactants were used, allowed preliminary structural criteria to be established. Based on the structural criteria, a number of new families of surfactant head group were designed, and preliminary rules for matching head to tail group combinations proposed.
Melane, Pumeza. "Kinetics reactions of Ammonium Nitrate-Sodium Nitrite Reaction and Ammonium Nitrate Emulsion Explosives." Master's thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/6333.
Full textNkomo, Sithethi Espin. "Using rheometry for prediction the pumping characteristics of highly concentrated W/O emulsion explosives." Thesis, Cape Peninsula University of Technology, 2005. http://hdl.handle.net/20.500.11838/912.
Full textThe emulsion used for this study is a new thermodynamically unstable multi-component waterin- oil (w/o) explosive type with an internal phase ratio of approximately 94%, i.e. far beyond the close packing limit of spherical droplets of 74%. Economic considerations and the ongoing need for continuous drilling, loading and blasting in the mining industry, has made long-distance pipeline transportation of these emulsion explosive systems a viable economic option. Presently, rheological characterization of emulsion explosives is well documented (Bampfield & Cooper, 1988, Utracki, 1980). However, very little or none has been done for this system, pertaining to the use of rheometry for prediction of pumping characteristics of these systems in long-distance pipeline transport. This Master's dissertation is devoted to develop rheological methods of testing, characterization and correlation in order to develop a basis for predicting the pumping characteristics of highly concentrated w/o emulsion explosives from rheometry. The literature and theory pertinent to the pipeline flow of high internal phase ratio emulsion explosives are presented, as well as the fundamentals of both concentric cylinder rheometry and pipe viscometry. The most relevant is the work of Bampfield and Cooper (1988), Utracki (1980) and Pal (1990). Two experimental test facilities were used for data collection. Pipeline experiments were done using an experimental test facility at African Explosives Limited (AEL), and rheometry was conducted at the Rheology Laboratory of the Cape Peninsula University of Technology Flow Process Research Centre. The AEL experimental test facility consisted of a four-stage Orbit progressive cavity pump, two fluid reservoirs, (a mixing tank and a discharge reservoir), five 45m HOPE (high density polyethylene) pipes of internal diameters of 35.9 mm, 48.1 mm, 55.9 mm, 65.9 mm and 77.6 mm pipes. The test work was done over a wide range of laminar flow rates ranging from 3 kg.min-I to 53 kg.min-I . Rheometry was done using a PaarPhysica MCR300 rheometer, and only standard rotational tests (i.e. flow curve) at 30 °c in controlled rate mode were done. Rheological characterisation was done using three rheological models, i.e. the Herschel-Bulkley, the Power Law and the Simplified Cross models. The coefficients obtained from these models were then used to predict pumping characteristics. The performances of these models were then evaluated by comparing the pipeline flow prediction to the actual pipeline data obtained from pipeline test experiments. It was found that the flow behaviour depicted by this explosive emulsion system was strongly non-Newtonian, and was characterized by two distinct regions of deformation behaviour, a lower Newtonian region of deformation behaviour in the shear rate region lower than 0.001 S-I and a strong shear thinning region in the shear rate range greater than 0.001 S-l. For all the models used for this study, it was evident that rheometry predicts the pumping characteristics of this high internal phase ratio emulsion reasonably well, irrespective of the choice of the model used for the predictions. It was also seen that the major difference between these models was in the lower shear rate domain. However, the Simplified Cross model was preferred over the other two models, since its parameter (the zero shear viscosity denoted by 110) can in general be correlated to the structure of the emulsion systems (i.e. mean droplet size, bulk modulus, etc.). Thus, structural changes induced by shearing (either inside the pump or when flowing inside a pipe) can be detected from changes in the value of the 110. The above statement implies that Tlo can be used as a quality control measure. Different pumping speeds were found to cause different degrees of shear-induced structural changes which were manifested by two opposing processes. These two opposing processes were the simultaneous coalescence and flocculation of droplets encountered at low rates of shear, and the simultaneous refinement and deflocculation of droplets encountered at high rates of shear. These two droplet phenomena were associated with a decrease or an increase in viscous effects, leading to both lower and higher viscous stresses and pumping pressures during pump start-up respectively.
Ittner, Henrik. "Excavation damage from blasting with emulsion explosives : Quality control and macro fracturing in the remaining rock." Licentiate thesis, Luleå tekniska universitet, Geoteknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-67456.
Full textGalbraith, S. D. "The response of potassium chloride (KCl), ammonium nitrate (AN) solutions and emulsion explosives to plate impact loading." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599271.
Full textRajapakse, Achula, and s9508428@student rmit edu au. "Drop size distribution and interfacial area in reactive liquid-liquid dispersion." RMIT University. Civil Environmental and Chemical Engineering, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080717.163619.
Full textSimpson, Brenton. "Modelling of the crystallisation process of highly concentrated ammonium nitrate emulsions." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/d1012622.
Full textJacinto, Mamani Edson Jair, and Sánchez Elvis Brayan Rodríguez. "Análisis de los principales factores que influyeron en las exportaciones de explosivos fabricados a partir nitrato de amonio (emulsiones) 3602002000 hacia Chile durante el 2006 al 2017." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/626295.
Full textThe present investigation is focused on the explosives industry, which works directly with different sectors in the country, such as the construction sector, the defense sector and the mining industry, the latter being the one that during the last 60 years sees explosives as a necessary and primary resource, to exercise their specific purpose. Therefore, the focus of this thesis is to analyze what are the main factors that influenced the exports of explosives manufactured from ammonium nitrate (emulsions), which have the tariff heading (3602002000), during the years 2006 to 2017 To our neighboring country in southern Chile. For this, the research was based on various studies such as Dynamite Market Global Forecast, Global Ammonium Nitrate Explosive Market Size and Industry Trends which detail a set of factors that drive the growth of the explosives market in the world. Likewise, this study is based on a qualitative approach for the determination of the main factors and a quantitative approach for the analysis of the information collected. In a qualitative first stage, it was possible to contrast and identify a series of key factors that directly influenced the exports of Peruvian emulsions, which were obtained from in-depth interviews with specialists dedicated to this area. After the identification of the factors, the data obtained in a second part of the investigation were compared, which is based on a quantitative analysis of the information obtained.
Tesis
Tshilumbu, Nsenda Ngenda. "Design and development of a novel high performance emulsion explosive using nanoparticles." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/930.
Full textThis study investigated water-in-oil (W/O) super-concentrated emulsions used as pumpable explosives. The aqueous phase of the emulsions is a supersaturated nitrate salt solution (at room temperature), with a volume fraction of approximately 0.9. Instability of such emulsions arises either from crystallization of the dispersed phase in the system during ageing or under high shear conditions. Here, we report an alternative approach to stabilize this highly concentrated W/O emulsion by adding colloidal particles in combination with short amphiphilic molecules. Thus, the primary goal of this research concerned a phenomenological study of the dependence of surfactant-to-particle ratio as well as the particle hydrophobicity index on stability under high shear in the emulsification process, rheological properties and stability against initiation of crystallization of an internal phase both with ageing and under high shear with a view to optimize the time to the start of crystallization of the emulsion both with ageing and under high shear; to elucidate the mechanism of initiation of crystallization of an internal phase (homogeneous or heterogeneous) and shed light in the stabilization mechanism of the emulsion; to determine how the emulsion formulation content affect pumping characteristics as measured by characteristic rheological parameters. A series of five fumed silica nanoparticles, each with a different hydrophobicity index (HI) in the range of 0.60 – 3, were used in the form of single types of particles as well as binary mixtures. These particles were combined with a low molecular weight conventional surfactant, Sorbitan MonoOleate (SMO), into the oil phase prior to emulsification. It has been found that regardless of the particle hydrophobicity, fumed nanosilica alone cannot form highly concentrated W/O emulsion up to 90 vol%. Moreover, Pickering emulsions are unstable under shear conditions and thus it is difficult to make highly concentrated W/O pumpable emulsion explosives using only fumed nanosilica. The correlation between the refinement time and SMO-to-particle ratio showed a deflection point/transitional point in the stabilization mechanism. Below the transitional point the silica content dominates over SMO. Conversely, above the transitional point the particles have little effect and the SMO dominates. A thermodynamic consideration revealed that in this region only SMO is likely to adsorb at the W/O interface and controls the emulsifying process. As with refinement time, the correlation between the shear modulus and SMO/particle ratio shows a deflection /transitional point which, as before, mark the transition point between regions of particle or SMO domination. Interestingly, it was found that for each HI, the initiation of crystallization is the most delayed, both on shelf life and under high shear, when the emulsion is prepared with an SMO-to-particle ratio equaling exactly the value at this transitional point. Moreover, the research demonstrated that a drastic change in mechanism of initiation of crystallization of the dispersed droplets occurs at the transitional point. Homogeneous nucleation within the droplets is the dominating mechanism of initiation of crystallization of an internal phase for SMO/particle ratios below and at the transitional point. In this case, the relationship between the zero modulus of particle dispersions in oil and the SMO-to-particle ratio demonstrated that the most stable emulsions are formed from the most unstable dispersions, indicating that less repulsion between particles is required to delay the onset of crystallization. This was further corroborated by the linear correlation between the time to the onset of crystallization and the shear modulus of the emulsion. On the contrary, it was found that for SMO/particle ratios above the critical point, heterogeneous nucleation catalyzed at the surface of droplets is the dominating mechanism of initiation of crystallization of nitrate salts in the super-cooled droplets This was found to be consistent with SMO-only system. That is the change in the mechanism of initiation of crystallization originates from a drastic change in the emulsion structure due to excess surfactant was highlighted by the drastic change in the linear correlation between the time to the start of crystallization and the strength of the emulsion structure as measured by the shear modulus. The optimum time to the start of crystallization (onset of crystallization associated with optimum SMO-to-particle ratio) is sensitive to the particle HI; increasing with increase of particle HI. A general correlation between the particle HI and optimum time to the onset of crystallization has been identified and formulated for the whole family of single types and mixtures of fumed nanosilica used in this study.
Books on the topic "Emulsion explosives"
Institute of Makers of Explosives. Recommendations for the transportation of explosives, division 1.5, ammonium nitrate emulsions, division 5.1, combustible liquids, class 3, and corroseves, class 8 in bulk packaging. Washington, D.C: Institute of Makers of Explosives, 2007.
Find full textMahadevan, Erode G. Ammonium Nitrate Explosives for Civil Applications: Slurries, Emulsions and Ammonium Nitrate Fuel Oils. Wiley & Sons, Incorporated, John, 2012.
Find full textAmmonium Nitrate Explosives For Civil Applications Slurries Emulsions And Ammonium Nitrate Fuel Oils. Wiley-VCH Verlag GmbH, 2012.
Find full textMahadevan, Erode G. Ammonium Nitrate Explosives for Civil Applications: Slurries, Emulsions and Ammonium Nitrate Fuel Oils. Wiley & Sons, Limited, John, 2013.
Find full textMahadevan, Erode G. Ammonium Nitrate Explosives for Civil Applications: Slurries, Emulsions and Ammonium Nitrate Fuel Oils. Wiley & Sons, Incorporated, John, 2013.
Find full textMahadevan, Erode G. Ammonium Nitrate Explosives for Civil Applications: Slurries, Emulsions and Ammonium Nitrate Fuel Oils. Wiley & Sons, Incorporated, John, 2013.
Find full textBook chapters on the topic "Emulsion explosives"
Rabotinsky, N. I., V. A. Sosnin, and V. S. Iliukhin. "The Application of Reclaimed Explosives in Commercial Emulsion Explosives." In Application of Demilitarized Gun and Rocket Propellants in Commercial Explosives, 193–98. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4381-3_23.
Full textBender, E. C., J. Crump, and C. R. Midkiff. "The Instrumental Analysis of Intact and Post Blast Water Gel and Emulsion Explosives." In Advances in Analysis and Detection of Explosives, 179–88. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-0639-1_19.
Full textMidkiff, Charles R., and Allan N. Walters. "Slurry and Emulsion Explosives: New Tools for Terrorists, New Challenges for Detection and Identification." In Advances in Analysis and Detection of Explosives, 77–90. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-0639-1_9.
Full textKohlicek, P., E. Jakubcek, and S. Zeman. "Some Aspects of the Application of Small Grain Powders in the Emulsion Explosives." In Application of Demilitarized Gun and Rocket Propellants in Commercial Explosives, 59–71. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4381-3_9.
Full text"Emulsion Explosives." In Ammonium Nitrate Explosives for Civil Applications, 113–55. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2013. http://dx.doi.org/10.1002/9783527645688.ch6.
Full text"Explosives, Explosions and New Developments Detonation behavior of bulk emulsion explosive in water filled blast holes." In Performance of Explosives and New Developments, 81–86. CRC Press, 2012. http://dx.doi.org/10.1201/b13763-16.
Full textSingh, A., B. Pingua, M. Panda, and S. Akhtar. "Study and performance of low density emulsion explosive." In Performance of Explosives and New Developments, 75–79. CRC Press, 2012. http://dx.doi.org/10.1201/b13763-15.
Full text"Study and performance of low density emulsion explosive." In Performance of Explosives and New Developments, 91–96. CRC Press, 2012. http://dx.doi.org/10.1201/b13763-18.
Full textNyberg, U., I. Arvantidis, M. Olsson, and F. Ouchterlony. "Large size cylinder expansion tests on ANFO and gassed bulk emulsion explosives." In Explosives and Blasting Technique, 181–91. Taylor & Francis, 2003. http://dx.doi.org/10.1201/9781439833476.ch23.
Full text"Causes of explosion in a bulk emulsion explosive plant." In Performance of Explosives and New Developments, 127–36. CRC Press, 2012. http://dx.doi.org/10.1201/b13763-23.
Full textConference papers on the topic "Emulsion explosives"
GORINOV, S. A., and I. YU MASLOV. "DETONATION OF A LOW-DENSITY EMULSION EXPLOSIVE." In 12TH INTERNATIONAL COLLOQUIUM ON PULSED AND CONTINUOUS DETONATIONS. TORUS PRESS, 2020. http://dx.doi.org/10.30826/icpcd12a30.
Full textItoh, Shigeru, Katsuhiko Takahashi, Kenji Murata, Yukio Katoh, Akio Kira, Masaki Kojima, and Masahiro Fujita. "Nonideal detonation of Al-rich emulsion explosives." In Optical Science, Engineering and Instrumentation '97, edited by Andrew Davidhazy, Takeharu G. Etoh, C. Bruce Johnson, Donald R. Snyder, and James S. Walton. SPIE, 1997. http://dx.doi.org/10.1117/12.294553.
Full textItoh, Shigeru, Katsuhiko Takahashi, Kenji Murata, Yukio Katoh, Akio Kira, Masaki Kojima, and Masahiro Fujita. "Nonideal detonation of Al-rich emulsion explosives." In 22nd Int'l Congress on High-Speed Photography and Photonics, edited by Dennis L. Paisley and ALan M. Frank. SPIE, 1997. http://dx.doi.org/10.1117/12.273456.
Full textGORINOV, S. A., and I. YU MASLOV. "DETONATION WAVES IN EMULSION EXPLOSIVES: MODES OF PROPAGATION." In The 11th International Colloquium on Pulsed and Continuous Det- onations (ICPCD). TORUS PRESS, 2019. http://dx.doi.org/10.30826/icpcd201817.
Full textMendes, Ricardo, José B. Ribeiro, I. Plaksin, and Jose Campos. "Non ideal detonation of emulsion explosives mixed with metal particles." In SHOCK COMPRESSION OF CONDENSED MATTER - 2011: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2012. http://dx.doi.org/10.1063/1.3686270.
Full textHirosaki, Yoshikazu. "Effect of Void Size on the Detonation Pressure of Emulsion Explosives." In Shock Compression of Condensed Matter - 2001: 12th APS Topical Conference. AIP, 2002. http://dx.doi.org/10.1063/1.1483690.
Full textZhiXiang Xu, DaBin Liu, and YiTing Hu. "A pressurized vessel test to measure the Minimum Burning Pressure of emulsion explosives." In 2011 International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE). IEEE, 2011. http://dx.doi.org/10.1109/rsete.2011.5965872.
Full textSumiya, Fumihiko, Yoshikazu Hirosaki, Yukio Kato, Yuji Ogata, Yuji Wada, and Kunihisa Katsuyama. "Photographic study of channel effect in emulsion explosives using a high-speed framing camera." In Optical Science, Engineering and Instrumentation '97, edited by Andrew Davidhazy, Takeharu G. Etoh, C. Bruce Johnson, Donald R. Snyder, and James S. Walton. SPIE, 1997. http://dx.doi.org/10.1117/12.294551.
Full textMasalova, Irina, and Alexander Ya Malkin. "Tube Transportation of Highly Concentrated Emulsions." In ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98342.
Full textKubota, Shiro, Hideki Shimada, Kikuo Matsui, Yuji Ogata, Masahiro Seto, Akira Masui, Yuji Wada, Zhi-Yue Liu, and Shigeru Itoh. "Optical measurements of flyer plate acceleration by emulsion explosive." In 24th International Congress on High-Speed Photography and Photonics, edited by Kazuyoshi Takayama, Tsutomo Saito, Harald Kleine, and Eugene V. Timofeev. SPIE, 2001. http://dx.doi.org/10.1117/12.424354.
Full textReports on the topic "Emulsion explosives"
Renick, Joseph, and John Sanchez. Detonation Characteristics of Mixtures of HMX and Emulsion Explosives. Fort Belvoir, VA: Defense Technical Information Center, April 1989. http://dx.doi.org/10.21236/ada209168.
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