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Vol 213

Geology
  • Date submitted
    2016-10-12
  • Date published
    2015-03-01

Forecasting changes in the chemical composition of reservoir waters in the course of oil production according to the results of thermodynamic modelling

The article deals with hydrogeochemical processes in the productive strata in the course of oil field development. The impact of flooding on the change of the chemical composition of reservoir water and the possibility of salification are analyzed. Computer thermodynamic modelling of physico-chemical processes is used for prediction of salification in oil fields.

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S. M. Sudarikov, E. N. Savel'eva (2015) Forecasting changes in the chemical composition of reservoir waters in the course of oil production according to the results of thermodynamic modelling. Journal of Mining Institute. Vol 213. p. 5.
Mining
  • Date submitted
    2016-10-12
  • Date published
    2015-03-01

Power consumption of hydraulic transport of products of mineral processing

The problem of decreasing power consumption by hydraulic transport systems remains to be the most important among other problems in the mining industry. The increase of solid material concentration in the volume of transported pulp leads to reduction of general pulp flow rate on the one hand and to increase of pressure losses and, accordingly, of a necessary head for over-coming hydraulic resistance on the other hand. The problem of minimizing power consumption in slurry transport is of particular relevance now when there is a tendency for hydraulic transport of highly-concentrated pulps and pastes to be widely used in the mining industry.  The article shows that the energy intensity to a certain extent depends on the performance of hydraulic transport of solid materials, and this dependence is of extreme nature. At low concentra-tions of solid particles large volumes of recycled water have to be pumped to provide the neces-sary performance, which leads to consumption of large amounts of electricity. The increase оf concentration results in the decrease in the volumetric flow rate of the pulp and, accordingly, spe-cific power consumption of the process. The process of reducing energy consumption takes place up to a certain critical value of the concentration above which a further increase in the concentra-tion raises power consumption.

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V. I. Aleksandrov, Irzhi Sobota (2015) Power consumption of hydraulic transport of products of mineral processing. Journal of Mining Institute. Vol 213. p. 9.
Mining
  • Date submitted
    2016-10-12
  • Date published
    2015-03-01

Determenation of the bolting parameters under conditions of the zonal disintegration of rocks around underground workings

Recently the phenomenon of zonal disintegration of rocks had discovered at around underground workings at great depths. The main element of this fault concentric system that paralleled working profile.  The paper presents the method and formula determination of the bolted mine workings developed on stress-deformed rock massif at great depths at zonal disintegration of rocks around un-derground workings.

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M. A. Rozenbaum, B. P. Badtiev (2015) Determenation of the bolting parameters under conditions of the zonal disintegration of rocks around underground workings. Journal of Mining Institute. Vol 213. p. 17.
Metallurgy and concentration
  • Date submitted
    2016-10-12
  • Date published
    2015-03-01

Extraction of iron (III) ions from aqueous solutions with tributyl phosphate

High rates of iron (III) ion extraction from aqueous solutions with tributyl phosphate by sequential injection of the extractant and minimal contact time of the solution and the extractant were obtained. The sequential injection of the extractant increases iron extraction and reduces the amount of the extractant used. The best extraction results were obtained from the solutions with concentration 3N HCl, 240 g/dm 3 NaCl and temperature t = 60 С. The flow sheet of the selective iron ions extraction from the aqueous solutions is presented.

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L. A. Voropanova, N. B. Kokoeva (2015) Extraction of iron (III) ions from aqueous solutions with tributyl phosphate. Journal of Mining Institute. Vol 213. p. 24.
Electromechanics and mechanical engineering
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

Electric network equivalenting in the presence of high harmonics

The article deals with equivalenting of complex electrical networks of industrial enterprises. In the article the different methods of averaging equivalenting elements in power systems are compared, specifically, the method of moments, the equivalent section method, and the average value method. The current value of the capacitor bank as part of the electrotechnical complex of the enterprise is the main criterion for determining the equivalenting error of the electric network. The equivalenting in the presence of high harmonics in electrical networks of the enterprise is considered by applying the methods under discussion. Comparison of these equivalenting methods in the presence of high harmonics shows that the error in the calculation of capacitor bank current ranges from 3,8 to 14,7 %. In addition, the most accurate method for determining the capacitor bank overload is the method of moments.

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Ankhel' Oskar Kolumbiya Navarro, Ya. E. Shklyarskii, A. N. Skam'in (2015) Electric network equivalenting in the presence of high harmonics. Journal of Mining Institute. Vol 213. p. 31.
Electromechanics and mechanical engineering
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

Methods of evaluation of vibrational activity of power plants using the similarity theory and dimensional analysis

The level and the nature of changes of vibrational parameters are one of the most important indicators of the technical state of diesel engines as the most sensitive to various derivations from nor-mal technical condition.  This article discusses methods of assessment of vibration activity of engines generated by gasdynamic and mechanical factors.  The possibility of using the methods of similarity theory and dimensional analysis in the development of new and improvement of existing methods of vibrational diagnostic of internal combustion engines, which significantly increases the informativeness of vibrational diagnostic of the engine.These criteria allows to simulate and study the impact of gas dynamic processes in combustion of fuel on the vibration of internal combustion engines, consider the impact on the relocation of the piston on the vibration activity of diesel and dependence of vibration velocity on the density of the material and to carry out measurements of vibration velocity on the surface of the cylinder block.  The methods, that authors propose, are the basis for methods of determining of vibrational activity of dieselengines, are adequate to complexity of this process and to possibilities of measurement equipment.

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O. K. Bezyukov, O. V. Afanas'eva (2015) Methods of evaluation of vibrational activity of power plants using the similarity theory and dimensional analysis. Journal of Mining Institute. Vol 213. p. 36.
Electromechanics and mechanical engineering
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

Complex power supply at well drilling in complicated climate conditions

The article deals with the problems of complex power supply of the well construction process in adverse climatic conditions. An option of associated petroleum gas utilization in power units for drilling operations is offered. The method of calculating heat losses of technological objects and required heating capacity for maintaining working temperature is given. A combined heat and power scheme enabling simultaneous electric and heat supply of oilfield objects with the use of associated petroleum gas as an energy source for power generation units is developed. Implementation of such a scheme guarantees power structure functioning without downfalls of produced en-ergy during the year, thus maintaining high efficiency of overall power generation.

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V. A. Lebedev, E. L. Leusheva, V. A. Morenov (2015) Complex power supply at well drilling in complicated climate conditions. Journal of Mining Institute. Vol 213. p. 47.
Electromechanics and mechanical engineering
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

Justification of kinematic and power parameters of rack and pinion gear for heavyloaded mining machines

The article contains the research findings on the justification of kinematic and power parameters of a rack and pinion system for heavy-loaded mining machines. The article points out that for a designer to find more reasonable constructive solutions it is advisable to carry out wear assessment of the designed gear at a design stage. Application of additional quality parameters of gearing is proposed, i.e. coefficients of acceleration and sliding velocity and the scoring resistance coefficient. Introduction of these parameters will allow choosing geometrical parameters of the designed gearing, which will possess the best kinematic and power character-istics and will be least inclined to wear.

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L. V. Lukienko, K. V. Gal'chenko, I. V. Litvinov (2015) Justification of kinematic and power parameters of rack and pinion gear for heavyloaded mining machines. Journal of Mining Institute. Vol 213. p. 54.
Electromechanics and mechanical engineering
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

Development of the stepper motor control system in steam generating units

The article deals with the design and operation of a steam generating unit through the example of the reactor core RBMK-1000 (High Power Channel-type Reactor). It contains the description of the equipment being a part of the multiple forced circulation circuits (MFCC), which form the reactor. Careful consideration is given to the process of controlling the coolant flow in the reactor fuel channels via shut-off control valve (SOCV) and the necessity of its (the process) automation. The problem of SOCV automatic control system synthesis is formulated and solved. The possibility of using a device with extended frequency response (EFR) for a frequency response analysis of distributed parameter systems (DPS) is considered. The problem of developing a method for calculating the settings of the distributed PID-controller is formulated and solved. Software for the simulation of thermal field in the reactor core is developed.

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A. L. Lyashenko, I. M. Pershin (2015) Development of the stepper motor control system in steam generating units. Journal of Mining Institute. Vol 213. p. 62.
Electromechanics and mechanical engineering
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

Navigation and time support management systems by highly dynamic moving objects

Researched topical issues of improving the accuracy of the application of highdynamic aircraft used for the purpose of mineral exploration, environmental monitoring, security, environmental and fire safety, as well as the decisions of other special tasks. The possible variants of construction of control systems of dynamic objects on the basis of integration of traditional inertial navigation systems and user equipment of a network of satellite navigation systems. Justified some schematics, technical and constructive solutions for development of advanced navigation equip-ment of the aircraft.

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D. A. Pervukhin, S. V. Kolesnichenko (2015) Navigation and time support management systems by highly dynamic moving objects. Journal of Mining Institute. Vol 213. p. 71.
Geoecology and occupational health and safety
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

Environmentally safe methods of technogenic deposits conservation

The results of monitoring and evaluating the negative impact caused by waste storage (technogenic deposits) of the mineral resource sector are presented. The research findings on the development of environmentally sound and costeffective ways of technogenic deposits conservation are given. The method is based on the formation of screens made of polymeric materials sintered with soil. As a result of laboratory studies and experiments on test sites the optimal technology of the screen formation was selected.

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M. A. Pashkevich (2015) Environmentally safe methods of technogenic deposits conservation. Journal of Mining Institute. Vol 213. p. 86.
Geoeconomics and Management
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

The possibility to predict the oil and gas price crisis in the world market on the basis of the correlation analysis

The article is devoted to the search for the formal signs of the onset of crisis phenomena in the global economy related to the financial and oil and gas markets. To predict the crisis in the financial market and, as a consequence, the fuel market, the theory of «Jokers and Channels» is used in this paper. In accordance with the theory, the market is divided into predictable and unpredictable periods. Methods of the correlation analysis are used to analyze time series of exchange rates and oil and gas prices. In this paper, the authors construct the time dependence of the annual Pearson correlation coefficients between the ranks of quotes of the world leading currencies over the period from 1999 to 2013. A strong correlation between oil prices and the dollar exchange rate leads to the suggestion of identifying the crisis phenomena in the oil market, and due to the strong link between oil and gas prices, in the liquefied gas market. According to the results of the correlation analysis, the «Joker» period is determined and the conventional period of crisis enters it with some delay. Thus, based on the research the authors can conclude that, in fact, the global crisis starts earlier than the generally accepted term and is determined by the Joker period.  

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V. A. Lebedev, B. I. Spesivtsev (2015) The possibility to predict the oil and gas price crisis in the world market on the basis of the correlation analysis. Journal of Mining Institute. Vol 213. p. 94.
Geoeconomics and Management
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

Subsoil use within the context of the modern economic theory development

Essence of the economic system of subsoil use is examined: its maintenance, elements; fea-tures in the conditions of the mixed economy. The special accent is done on the evolution of eco-nomic theory and role of the state as a basic regulator of activity of all managing subjects working in the field of raw mineral-material complex and its infrastructure. An author shows the role of modern economic theory as a science in development and substantiation of principles of function-ing of the territorial-economic system of subsoil use, both from general theoretical and practical point of view.

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M. M. Khaikin (2015) Subsoil use within the context of the modern economic theory development. Journal of Mining Institute. Vol 213. p. 100.
Mining education: traditions and perspectives in the XXI century
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

Formation and development of students’ creative potential at a technical university

The article deals with the problems and methods of formation and development of creative potential of students of technical universities by the example of the Department «Industrial and civil engineering», Faculty of Civil Engineering, Kalashnikov Izhevsk State Technical University. The article gives the examples of methods of formation and conditions for the development of stu-dents’ creative potential.

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V. P. Grakhov, Yu. G. Kislyakova, U. F. Simakova (2015) Formation and development of students’ creative potential at a technical university. Journal of Mining Institute. Vol 213. p. 110.
Mining education: traditions and perspectives in the XXI century
  • Date submitted
    2016-10-13
  • Date published
    2015-03-01

Evgraf Stepanovich Fedorov – scientist, teacher, administrator

The article deals with the issues related to the life and scientific activities of Academician Evgraf S. Fedorov (1853-1919). It highlights the period of his work at the Geological Committee, which made him one of the leading crystallographers of his time. The article specifically focuses on Fedorov’s activities as a teacher and administrator – the first elected Director of the Mining Institute n.a. Catherine II. The study is based on the documents found in the St. Petersburg branch of the Archive of the Russian Academy of Sciences and memoirs of Fedorov’s students.

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V. N. Shaidurov (2015) Evgraf Stepanovich Fedorov – scientist, teacher, administrator. Journal of Mining Institute. Vol 213. p. 116.