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Статті в журналах з теми "Electrical resistivity modelling"
Ahmed Hassan, Asem. "Performance of Various Electrical Resistivity Configurations for Detecting Buried Tunnels Using 2D Electrical Resistivity Tomography Modelling." DJES 11, no. 3 (September 1, 2018): 14–21. http://dx.doi.org/10.24237/djes.2018.11303.
Повний текст джерелаKasi, Harsha, Robert Meissner, Alexandre Babalian, Harald van Lintel, Arnaud Bertsch, and Philippe Renaud. "Direct localised measurement of electrical resistivity profile in rat and embryonic chick retinas using a microprobe." Journal of Electrical Bioimpedance 1, no. 1 (July 23, 2019): 84–92. http://dx.doi.org/10.5617/jeb.149.
Повний текст джерелаPutiška, René, Maroš Nikolaj, Ivan Dostál, and David Kušnirák. "Determination of cavities using electrical resistivity tomography." Contributions to Geophysics and Geodesy 42, no. 2 (January 1, 2012): 201–11. http://dx.doi.org/10.2478/v10126-012-0018-3.
Повний текст джерелаThapa, Dilli Ram. "Use of two dimensional electrical resistivity tomography (2D- ERT) synthetic modelling to detect collapse masses." Journal of Nepal Geological Society 60 (September 16, 2020): 139–45. http://dx.doi.org/10.3126/jngs.v60i0.31250.
Повний текст джерелаLavoué, F., J. van der Krak, J. Rings, F. André, D. Moghadas, J. A. Huisman, S. Lambot, L. Weiherrnüller, J. Vanderborght, and H. Vereecken. "Electromagnetic induction calibration using apparent electrical conductivity modelling based on electrical resistivity tomography." Near Surface Geophysics 8, no. 6 (July 1, 2010): 553–61. http://dx.doi.org/10.3997/1873-0604.2010037.
Повний текст джерелаRamli, Nadia, Hamzah Hussin, Muhammad Afiq Abdul Kahar, and Mohd Amir Asyraf Sulaiman. "The Utilisation of Electrical Resistivity Imaging (ERI) for Geological Structures Mapping in Rock Mass: A Review." IOP Conference Series: Earth and Environmental Science 1102, no. 1 (November 1, 2022): 012089. http://dx.doi.org/10.1088/1755-1315/1102/1/012089.
Повний текст джерелаAhmed Hassan, Asem. "Numerical Modelling of Subsurface Cavities Using 2D Electrical Resistivity Tomography Technique." Diyala Journal For Pure Science 13, no. 2 (April 1, 2017): 197–216. http://dx.doi.org/10.24237/djps.1302.260a.
Повний текст джерелаHazreek, Z. A. M., Z. M. Nizam, A. T. S. Azhar, M. Aziman, and M. Z. N. Shaylinda. "Physical Modelling on Detecting Buried Object Using Electrical Resistivity Imaging (ERI)." IOP Conference Series: Materials Science and Engineering 136 (July 2016): 012008. http://dx.doi.org/10.1088/1757-899x/136/1/012008.
Повний текст джерелаCardarelli, E., and F. Fischanger. "2D data modelling by electrical resistivity tomography for complex subsurface geology." Geophysical Prospecting 54, no. 2 (March 2006): 121–33. http://dx.doi.org/10.1111/j.1365-2478.2006.00522.x.
Повний текст джерелаCadeville, M. C., V. Pierron-Bohnes, J. M. Sanchez, and J. M. Sanchez. "Modelling of the electrical resistivity of ferromagnetic and paramagnetic intermetallic compounds." Journal of Physics: Condensed Matter 4, no. 46 (November 16, 1992): 9053–66. http://dx.doi.org/10.1088/0953-8984/4/46/013.
Повний текст джерелаДисертації з теми "Electrical resistivity modelling"
Rücker, Carsten. "Advanced Electrical Resistivity Modelling and Inversion using Unstructured Discretization." Doctoral thesis, Universitätsbibliothek Leipzig, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-69066.
Повний текст джерелаRouget, Geoffroy. "Modelling the electrical resistivity of green carbon anodes for aluminium industry." Doctoral thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/30787.
Повний текст джерелаPrimary aluminium produced nowadays is obtained by electrolysis of alumina at 960 °C, following the process proposed by Charles Martin Hall, and Paul Louis Toussain Héroult, in 1886. This process, named Hall-Héroult, due to the name of its creators, consists in applying an electrical current trough a mix of molten cryolithe in which is dissolved alumina. The current flows between the carbon anodes and the cathode. Anodes are mostly composed of calcined petroleum coke aggregates and remnant particles of used anodes, butt particles. Those carbonaceous particles are tied together using coal tar pitch. Once the anode bloc is formed, it is backed to gain mechanical strength. To allow an efficient yield during the electrolysis process, anodes, through which the current flows, shall have the lowest electrical resistivity. Furthermore, those consumable anodes, are also required to bring the carbon as reactant for the electrolytic reaction, consequently, their chemical composition must be pure enough not to diminish the produced aluminium quality. The research project presented focuses on the study and understanding of electrical behaviour of the anode prior to its backing, for quality control during manufacturing process. To determine the electrical resistivity of a composite material, Nielsen’s model appears as an interesting tool, reliable for multiple electrical modelling applications. Using this model implies knowing several properties of the different phases present in the anode. In the present case, anode material is restricted to a specific size fraction of coke particles and binder matrix, made of pitch and fine particles. The properties to know are, for the coke particles, their intrinsic electrical resistivity, aspect ratio, and the maximal packing fraction that can be reached. Only electrical resistivity is required for the binder matrix. In aluminium industry, only the electrical resistivities of beds of particles are measured to follow the evolution of this parameter depending the batch used. To implement the electrical resistivity of coke particles in Nielsen model, its intrinsic electrical resistivity is required. To obtain this value, measurement were performed using four probes setting, which allows measuring the electrical resistivity of material presenting low resistivity. Then, inter-particles void present in the measurement volume shall be removed in order to only take account of the volume occupied by the material investigated. Finally, the contacts between particles are estimated by numerical calculation, using discrete element method. The number, average surface and disposition of the contacts were assessed to implement them in a mathematical model allowing calculating the electrical resistivity of coke. Several measures lead to the proposition of a consistent and reliable value for electrical resistivity of coke. To measure the electrical resistivity of binder matrix, as well as the anode’s, an accurate method is required. The standardised method used in the industry reveals strong standard deviation and rather not often reproducible values. The method of measurement of electrical resistivity of continuous phases proposed by Van der Pauw allows retrieving highly reproducible results, with a much lower standard deviation. This technique can be useful to measure the electrical resistivity of slices cut out of anode cores or cast binder matrix. Several measurements, performed on anode like samples with different composition revealed that the electrical resistivity measured in laboratory does not fit with the one calculated using Nielsen’s model, using the physical parameters of the characterized materials. To explain the difference, between the model and laboratory measurements, an optical microscopic analysis was performed. It was disclosed that the binder matrix layer between particles remain too thick to allow the creation of an electrical path from particle to particle within the material. This implies that the electrical resistivity of the binder matrix mostly dictates the one of the composite material, in this case.
Rücker, Carsten [Verfasser], Franz [Akademischer Betreuer] Jacobs, and Ugur [Akademischer Betreuer] Yaramanci. "Advanced Electrical Resistivity Modelling and Inversion using Unstructured Discretization / Carsten Rücker. Gutachter: Ugur Yaramanci. Betreuer: Franz Jacobs." Leipzig : Universitätsbibliothek Leipzig, 2011. http://d-nb.info/1020089210/34.
Повний текст джерелаCarlos, Ivan Mamede. "Estimativa de parâmetros hidrogeológicos como subsídio para modelagem de aqüífero integrada a estudos geofísicos na região de Bebedouro-SP." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/14/14132/tde-21072013-161330/.
Повний текст джерелаTo perform the aquifer modelling is not an easy task. In the case of an aquifer system, the work becomes even more complex. In this work, some of important parameters for this purpose have been estimated from simulations. In the study area, there are wells that in most cases were not only drilled in Adamantina Formation but also in Serra Geral Formation. This configuration led to the formulation of two sets of scenarios from which it was possible to estimate values for hydraulic conductivity of these formations. With this estimate it could also simulate pumping tests, their cones of depression as well as the interference caused between cones of depression. With this approach it was possible to estimate how much a operating well can influence static level of a neighbour one. Geophysics contribution is in the use of electrical resistivity. Twenty-three Vertical Electrical Soundings (VES) were performed, nineteen of them are short (AB/2 500m), that provided information about the saturated thickness of sandstone as well as top of basalt, especially in the region with few wells, and four are long (AB/2 1500) VESs. Four electrical profiling (EP) were also carried out to study possible structures. Joining modelling (simulation) and geophysics results, it could be related hydrogeological and geoelectrical parameters. Although dataset for region was not the ideal, methodology was satisfactory, and results quite reasonable. Thus, it was possible to determine hydrogeological parameters in subsurface through measured geoelectrical parameters in surface.
Abdou, Ibro Mohamed. "Vers la prédiction des cinétiques de rééquilibrage entre 2 milieux initialement en conditions de saturation différentes." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30069.
Повний текст джерелаCivil engineering structures are constantly subjected to desaturation/re-saturation processes depending on the surrounding conditions. This is particularly the case when it comes to concrete structures for the deep geological storage of radioactive waste. It is fundamental to understand the water transfer phenomena that occur during these water rebalancing phases to assess the sustainability of these structures. This thesis presents both an experimental and a numerical simulation study on the main mechanisms that are involved during the rebalancing process within cement-based materials. First, the experiments carried out make it possible to characterize the hydric behaviour of the materials through the acquisition of the main transfer parameters (porosity, sorption isotherms, permeability to liquid, vapour and gas). This will allow discussion of the relevance of different numerical and/or empirical approaches to their prediction in the case of cement-based materials. Then, the study focuses on the phenomena involved in a water rebalancing process between two samples, through various water transfer experiments (drying, soaking of steam and liquid water). A methodology based on non-destructive evaluation of materials is developed for the determination of moisture content profiles. A suitable approach is proposed for the modelling of moisture transfer mechanisms in cement-based materials, based on a porous network model for the prediction of transfer parameters developed by Ranaivomanana et al. A better prediction of these phenomena taken individually will provide the required information for the modelling of the global process
Fachin, Sérgio Junior da Silva. "Ensaios geoelétricos 2D no antigo lixão de Ribeirão Preto-SP: avaliação de parâmetros de aquisição e monitoramento ambiental do problema." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/14/14132/tde-09112007-152210/.
Повний текст джерелаDue to the increasing concern with the environmental protection and preservation of the shallow water and groundwater aquifers quality, the areas of disposal of residues, have been special attention of the environmental protection agency. Currently the geoelectrical methods have been largely used as an investigation non-evasive methodology in affected areas by inadequate disposal of urban solid and industrial residues, because it provides information of the localization and geometrical characteristics of the waste disposal, contamination plume extent, saturated zone position, underground flow direction and geologic characteristic, if the techniques and the acquisition parameters are adequately chosen. The simulations and interpretation methods also assists during the characterization and environmental monitoring of landfill areas. The objective of this research was the evaluation of the acquisition field parameters (electrodes arrays, electrodes spacing and number of the investigations levels) and 2D investigations with the resistivity and induced polarization methods for characterization and environmental monitoring. This evaluation was carried through the use of 2D forward modeling and field investigations in old landfill site at Ribeirão Preto city, São Paulo, Brazil. The use of the forward modeling allowed to choose the best field acquisition parameters in accordance with the answers for the geologic-geophysical simulated model. The comparison between our results and previous results showed contamination marked for low electric resistivity values (1 ? 30 Ohm.m) and high chargeability values (15 ? 50 mV/V) and also that the tested parameters of acquisition in agreement with the results of the forward modeling. The Pole-dipole array (a= 5 meters and n= 10) show the best result (resolution image and investigation depth), forward modelling and field acquisition.
Rücker, Carsten. "Advanced Electrical Resistivity Modelling and Inversion using Unstructured Discretization." Doctoral thesis, 2010. https://ul.qucosa.de/id/qucosa%3A11189.
Повний текст джерелаEllis, M. H., T. A. Minshull, M. C. Sinha, and Angus I. Best. "JOINT SEISMIC/ELECTRICAL EFFECTIVE MEDIUM MODELLING OF HYDRATE-BEARING MARINE SEDIMENTS AND AN APPLICATION TO THE VANCOUVER ISLAND MARGIN." 2008. http://hdl.handle.net/2429/1158.
Повний текст джерелаGill, R. M. "A magnetotelluric profile across the Broken Hill and Olary Domains." Thesis, 2002. http://hdl.handle.net/2440/113040.
Повний текст джерелаSeventeen magnetotelluric survey sites were occupied across the Olary and Broken Hill Domains in the Curnamona Province, Australia. Two dimensional modelling along the magnetotelluric profile identifies the Broken Hill Domain as a zone of high electrical resistivity to a depth of 15km. Gravity modelling along a coincident profile has also shown the Broken Hill Domain to be significantly more dense than its surrounds. Seismic data have provided evidence of numerous faults and shear zones within the Pre-cambrian Broken Hill Domain basement, and is indicative of compression during the Delamarian Orogeny. It is proposed that the majority of crustal fluids were removed from these rocks by granulite facies metamorphism and tectonic compression. The boundary of the Olary Domain appears to be delineated by the Mundi Mundi Fault with an order of magnitude increase in resistivity on the Broken Hill side. The location of the Flinders Conductivity Anomaly was also observed and a number of conducting mechanisms considered, including crustal fluids and graphite films.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2002
Книги з теми "Electrical resistivity modelling"
Delgado Martín, Jordi, Andrea Muñoz-Ibáñez, and Ismael Himar Falcón-Suárez. 6th International Workshop on Rock Physics: A Coruña, Spain 13 -17 June 2022: Book of Abstracts. 2022nd ed. Servizo de Publicacións da UDC, 2022. http://dx.doi.org/10.17979/spudc.000005.
Повний текст джерелаЧастини книг з теми "Electrical resistivity modelling"
Bharathi, A., Y. Hariharan, Awadhesh Mani, and C. S. Sundar. "Electrical Resistivity and Positron Lifetime Studies in the Kondo Insulating System, FeSi1−xGex." In Frontiers in Materials Modelling and Design, 170–76. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-80478-6_16.
Повний текст джерелаVooijs, Simone, Bruce Davenport, and Sybrand van der Zwaag. "Monitoring Precipitation Kinetics in an Al-Mn-Mg-Cu Alloy using Thermoelectric Power and Electrical Resistivity Measurements." In Microstructures, Mechanical Properties and Processes - Computer Simulation and Modelling, 90–95. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527606157.ch15.
Повний текст джерелаQuagliarini, Andrea, Andrea Segalini, Alessandro Chelli, Roberto Francese, Massimo Giorgi, and Laura Spaggiari. "Joint Modelling and Monitoring on Case Pennetta and Case Costa Active Landslides System Using Electrical Resistivity Tomography and Geotechnical Data." In Advancing Culture of Living with Landslides, 593–600. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-53485-5_68.
Повний текст джерелаPluckhahn, Thomas J., and Victor D. Thompson. "Context." In New Histories of Village Life at Crystal River, 25–70. University Press of Florida, 2018. http://dx.doi.org/10.5744/florida/9781683400356.003.0002.
Повний текст джерелаТези доповідей конференцій з теми "Electrical resistivity modelling"
Moore, J., R. Barker, and A. Herbert. "Combined electrical resistivity and pumping test modelling." In 4th EEGS Meeting. European Association of Geoscientists & Engineers, 1998. http://dx.doi.org/10.3997/2214-4609.201407072.
Повний текст джерелаNajafabadipour, A., and G. Kamali. "Exploring and Modelling the Qanat Gallery Path Using Electrical Resistivity Tomography Data." In 1st Conference on Geophysics for Infrastructure Planning Monitoring and BIM. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201902532.
Повний текст джерелаFortier, R., W. Yu, and M. El Baroudi. "Electrical Resistivity and Temperature Piezocone Penetration Test in Ice-Rich Permafrost in Nunavik, Québec, Canada: Signal Processing and Forward Modelling of Electrical Resistivity Signal." In 18th International Conference on Cold Regions Engineering and 8th Canadian Permafrost Conference. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482599.005.
Повний текст джерелаAntoine, Raphael, Ioana Ciotir, Stephane Costa, Yannick Fargier, Cyrille Fauchard, Christian Gout, Carole le Guyader, Olivier Maquaire, Sam Taoum, and Antoine Tonnoir. "Coastline Erosion Study via UAV Drone Remote Sensing Using Python Modelling Electrical Resistivity Imaging (PyMERI)." In IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2020. http://dx.doi.org/10.1109/igarss39084.2020.9323414.
Повний текст джерелаAdeoti, Lukumon, Seun Afolabi, Kehinde Ishola, and Bolaji Adegbola. "Comparison of resolution capacity of different electrode arrays in delineating fractured zones using electrical resistivity modelling." In International Conference and Exhibition, Barcelona, Spain, 3-6 April 2016. Society of Exploration Geophysicists and American Association of Petroleum Geologists, 2016. http://dx.doi.org/10.1190/ice2016-6531633.1.
Повний текст джерелаYan, Bo, Yuguo Li, and Ying Liu. "Adaptive finite element modelling of direct current resistivity in 2-D generally anisotropic structures." In International Workshop and Gravity, Electrical & Magnetic Methods and their Applications, Chenghu, China, 19-22 April 2015. Society of Exploration Geophysicists and and Chinese Geophysical Society, 2015. http://dx.doi.org/10.1190/gem2015-036.
Повний текст джерелаMaxwell, Michael, Robert Eso, and Doug Oldenburg. "USING 2D AND 3D ELECTRICAL RESISTIVITY AND MAGNETOMETRIC RESISTIVITY TECHNIQUES FOR INVESTIGATING DAM AND DIKE SOIL CONDITIONS FOR LEAK DETECTION — FIELD EXAMPLES AND FORWARD MODELLING." In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2013. Environment and Engineering Geophysical Society, 2013. http://dx.doi.org/10.4133/sageep2013-264.1.
Повний текст джерелаMa*, Changying, Jianxin Liu, Wenwu Tang, Haifei Liu, Rongwen Guo, Yian Cui, and Zhenwei Guo. "An element-free Galerkin method based on hybrid background cells for 2.5D DC resistivity modelling." In GEM 2019 Xi'an: International Workshop and Gravity, Electrical & Magnetic Methods and their Applications, Chenghu, China, 19-22 April 2015. Society of Exploration Geophysicists and Chinese Geophysical Society, 2019. http://dx.doi.org/10.1190/gem2019-067.1.
Повний текст джерелаSimakov, A., S. Vakulenko, A. Politcina, P. Ivanov, E. Rusakov, M. Marchenko, and N. Shustov. "Efficiency Evaluation of High-Resolution Seismic; Electrical Resistivity Tomography and Electromagnetic Surveys on Rivers, Based on Modelling Studies." In Engineering and Mining Geophysics 2020. European Association of Geoscientists & Engineers, 2020. http://dx.doi.org/10.3997/2214-4609.202051178.
Повний текст джерелаCardarelli, E., and F. Fischanger. "2-D data modelling by electrical resistivity tomography for complex subsurface geology (is it possible to improve electronic interpretation of resistivity measurements with multielectrode devices in undeterminated cases?)." In 9th EAGE/EEGS Meeting. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609.201414471.
Повний текст джерелаЗвіти організацій з теми "Electrical resistivity modelling"
Ansari, S. M., E. M. Schetselaar, and J. A. Craven. Three-dimensional magnetotelluric modelling of the Lalor volcanogenic massive-sulfide deposit, Manitoba. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328003.
Повний текст джерела