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Relevant bibliographies by topics / Emulsive explosives

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Dissertations / Theses

Academic literature on the topic 'Emulsive explosives'

Author: Grafiati

Published: 28 May 2022

Last updated: 29 May 2022

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Dissertations / Theses on the topic "Emulsive explosives"

1

Allum, J. "A Study of the behaviour of emulsion explosives." Thesis, Cranfield University, 2009. http://hdl.handle.net/1826/3976.

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This study investigated the formulation and characterisation of emulsion explosives. This included the manufacture of more than 120kg of emulsion explosive of which around 105kg was used on the explosive ordnance range in over 350 individual firings. For each emulsion composition, an average of eight firings was undertaken with which to substantiate the explosive performance data. The formulation was varied to determine the effects of water content upon the physical characteristics of the emulsion. These physical effects included thermal conductivity, particle size, viscosity and the explosive

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2

Villamagna, 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.

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An energy optimised Tree Branch Methodology was developed to overcome the multiple minima problem in molecular mechanics calculations of acyclic molecules. Target molecules were assembled one heavy atom at a time from small precursors, and the energy minimized after each addition. The number of structures to be minimised was significantly reduced by following the lowest energy path in the Tree Branch Method. Comparison of the calculated configurations to minimum energy structures obtained from complete conformational search is made.<br>The compression of fatty acid monolayers in Langmuir-Blodg

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3

Шиман, Леонід Миколайович, Леонид Николаевич Шиман та L. M. Shiman. "Безпека процесів виробництва та використання на гірничих підприємствах емульсійних вибухових речовин марки "ЕРА"". Thesis, Видавництво НГУ, 2010. http://ir.nmu.org.ua/handle/123456789/126.

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Дисертація на здобуття наукового ступеня доктора технічних наук за спеціальністю 05.26.01 – "Охорона праці". – Державний вищий навчальний заклад "Національний гірничий університет". – Дніпропетровськ, 2010.<br>Диссертация на соискание ученой степени доктора технических наук по специальности 05.26.01 – "Охрана труда". – Государственное высшее учебное заведение "Национальный горный университет". – Днепропетровск, 2010.<br>The dissertation for the scientific degree of doctor of technical science on speciality 05.26.01 – "Labour protection" – National Mining University, Dnepropetrovsk, 2010.<br>У

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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.

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The aim of this study was to understand and control the gasification rates in ammonium nitrate emulsion explosive using ammonium nitrate-sodium nitrite reaction. This reaction produces N2 gas which is the sensitizer in emulsion explosives. The NH4NO3-NaNO2 gassing reaction produces N2 gas and so the reaction could be followed by the pressure increase in a closed reaction vessel. The reaction is pH sensitive, so the role of pH was investigated in the pH range 2 to 5. Gasification reactions for unbuffered NH4NO3-NaNO2 reaction were found to be rapid below pH = 3 and maximum pressure was attained

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5

Nkomo, 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.

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Dissertation submitted in fulfilment of the requirements for the Masters Degree in Technology: Chemical Engineering in the Department of Chemical Engineering of Cape Peninsula University ofTechnology, 2005<br>The 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 tran

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6

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.

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Thesis submitted in fulfilment of the requirements for the degree Doctor of Technology: Chemical Engineering in the Faculty of Engineering at the Cape Peninsula University of Technology 2014<br>This 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

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7

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.

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Excavation damage is usually regulated in Swedish infrastructure tunnel contracts as it can influence the quality and lifecycle cost for tunneling projects. The topic is important for underground constructions with a long operation period such as tunnels for public transport, permanent access tunnels in mines or underground repositories for nuclear waste. In competent crystalline rock, excavation damage is often simplified to macro fractures induced by blasting as this has the most significant impact on the remaining rock. Blasting in Scandinavian tunneling projects is mostly conducted with pu

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8

Galbraith, 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.

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The aim of this study was to investigate the dynamic properties of potassium chloride, AN solutions and a commercial emulsion explosive and to understand their response in terms of shock theory and material properties. A plate impact facility was used to shock the KCl, subjecting it to a uni-axial strain state for the duration of the measurements. Stress and strain histories were recorded using piezo-resistive gauges. KCl is an ionic crystal which, when subject to shocks above 2.2 GPa, has a martensitic phase transformation. The stress histories were explained in terms of the shock and release

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9

Rivera, Távara Raúl. "Propuesta para elevar la capacidad del proceso de producción de emulsión matriz en una fábrica de explosivos." Master's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2015. http://hdl.handle.net/10757/595690.

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Muchas filosofías, teorías y estrategias se han desarrollado desde hace varios años con el fin de ofrecer ventajas y beneficios en el desarrollo de operaciones eficientes como son: la planificación de requerimiento de materiales (MRPI y MRPII), la teoría de restricciones (TOC), balance de línea, just in time (JIT), lean manufacturing, entre otras. Asimismo certificaciones internacionales como ISO 9001, ISO 14000. Es así que se plantea el presente trabajo de tesis para proponer la implementación de la filosofía just in time con el fin de elevar la capacidad de producción de una planta de emulsi

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10

Rajapakse, 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.

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Emulsion explosives have become the preferred choice as blasting agents for numerous industries including mining, agriculture, and construction. One of the most important components in such an emulsion is an emulsifier, which controls the emulsification properties of the explosive. The present study involves the production of one such emulsifier, which is produced by reacting two immiscible liquids, PIBSA (polyisobutylene succinic anhydride) and MEA (monoethanolamine). The study examines the effect of design variable such as the impeller speed, impeller type and the dispersed phase volume f

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