Перегляд Періодичні видання НТУ "Дніпровська політехніка" по назві
Зараз показуються 34-53 з 3446
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Assesing a risk of roof fall in the development mine workings in the process of longwall coal mining in terms of Ukrainian mines
(National Mining University, 2020-03-30)Purpose is the analysis of the available approaches used to determine risks of injures of miners and the development of a new method to assess risks of roof fall in the development mine workings, which maintain long stopes ... -
Assessment of coal quality on the site “Uspenivska No 2” in Western Donbas based on the statistical analysis of its chemical and technological properties
(National Mining University, 2016-12-30)Purpose. To conduct a comprehensive assessment of the coal seams’ quality on the site “Uspenivska No 2” in Lozivskyi coal-bearing area of the Western Donbas industrial district; establish their grade composition according ... -
Assessment of environmental and technical risks in the process of mining on the basis of numerical simulation of geofiltration
(National Mining Uniersity, 2016-03-30)Purpose. Substantiation of environmentally acceptable and technically safe operational mining schemes in the context of disturbed hydrogeological and geomechanical conditions by means of developing adapted filtrational ... -
Assessment of environmental impact of gemstone mining in Ijero-Ekiti, Nigeria
(National Mining University, 2018-03-30)Purpose. To examine the environmental impacts of gemstone mining activities on the people of Ijero-Ekiti, Ekiti State, Nigeria. Methods. Soil and water test were carried out on samples from the mine and its environment. ... -
Assessment of radioactivity of 226Ra, 232Th and 40K in soil and plants for estimation of transfer factors and effective dose around Mkuju River Project, Tanzania
(National Mining University, 2017-09-30)Purpose. To establish pre-mining indicators to assess radiological impact as a result of release of radionuclides to environment during uranium mining at Mkuju River Project radioactivity of 226Ra, 232Th and 40K in soil, ... -
Assessment of the effect of topological optimization of metal parts
(2023)The paper presents the results of the research on reducing the weight of the parts of the braking system of the mine electric locomotive due to the topological optimization of their structures in the Fusion 360 software ... -
Assessment of the factors influencing on the formation of energy-oriented modes of electric power consumption by water-drainage installations of the mines
(Dnipro University of Technology, 2021-12-30)Purpose. Performing the analysis to determine energy-efficient modes and assess the characteristics of the main indicators of electric power consumption by mine water-drainage installations based on the developed research ... -
Assurance of guaranteed atmosphere air quality for a point emission source
(National Mining University, 2019-06-30)Purpose. To solve the task of assessing the components of the guaranteed atmosphere air quality PMPj, PMP depending the maximum pollutant concentrations for a point source of emissions at the stage of designing in various ... -
Atmosphere pollution modeling in the case of the accident at the rocket propellant storage
(2014)Розроблено чисельну модель та код для моделювання тривимірного процесу переносу забруднювача при аварійному викиді небезпечної речовини. Розроблена модель базується на чисельному інтегруванні тривимірного рівняння переносу ... -
Automation and optimization of solid material grinding by means of ball mills
(2011)Рассмотрена система автоматического регулирования и оптимизации процесса измельчения твердого материала в шаровых барабанных мельницах. Система обеспечивает измерение основных параметров процесса измельчения и его оптимизацию. ... -
Beneficiation of phosphate sludge rejected from Djebel Onk plant (Algeria)
(National Mining University, 2019-12-30)Purpose Flotation tests have been used in order to achieve the purposes of this study which are: To obtain the highest recovery with a maximum grade of P2O5 from the tailing generated by the phosphate plant of Djebel Onk ... -
Biological wastewater treatment in aeration tanks
(2018)Development of mathematical model for prediction of output parameters of aeration tank with account of dissolved oxygen, oxygen , sludge, substrate transfer and biological treatment. The mathematical model may be used ... -
Certain aspects concerning the development of a functioning scheme of the auto-mated system to control energy flows of underground iron-ore enterprises
(National Mining University, 2020-09-30)Purpose is to develop a functioning scheme of ACS for energy flows in terms of invariability of electric power consumption as well as inversion of energy flows of mining enterprises in the current time of day to decrease ... -
CFD моделирование работы горизонтального двухэтажного отстойника с поворотом потока в вертикальной плоскости
(Беляев Н. Н. CFD моделирование работы горизонтального двухэтажного отстойника с поворотом потока в вертикальной плоскости / Н. Н. Беляев, В. А. Козачина // Національний гірничий університет. Збірник наукових праць. – Дніпропетровськ : НГУ, 2014. – № 45. – С. 152-157., 2014)Рассмотрено построение численной модели для расчета горизонтального двухэтажного отстойника с поворотом потока в вертикальной плоскости. В основу модели положено уравнение движения идеальной жидкости и уравнение ... -
CFD модель для оценки территориального риска и уровня загрязнения воздушной среды при эмиссии химического агента
(2018)Предложен метод расчета распространения опасных веществ в условиях застройки, который позволяет осуществлять оценку территориального риска. Численное моделирование осуществляется на базе модели аэродинамики и ... -
Choice and ground of sifting surfaces quantity at cascade classification
(2013)У статті розглядається спосіб каскадної гравітаційної сепарації дрібнофракційних матеріалів, який заснований на принципі багаторазового повторення процесу поділу потоку сипучого матеріалу на каскаді послідовно встановлених ... -
Choice and substantiation of stable crown shapes in deep-level iron ore mining
(National Mining University, 2018-12-30)Purpose. The aim of the paper is to select and substantiate stable shapes of crown pillars through determining regularities of rock pressure impacts on their stability depending on the crown shapes, mining depths and iron ... -
Choice of development method for technogenic mineral deposits by technological criteria
(National Mining University, 2016-12-30)Purpose. The purpose of the paper is to search for and choose optimal technologies of developing technogenic deposits. Methods. To achieve the aim, the analysis of selecting the deposit development technologies is used ... -
Choosing a camera for mine surveying of mining enterprise facilities using unmanned aerial vehicles
(National Mining University, 2020-12-30)Purpose. Choosing an effective method for performing the mine surveying of the objects at mining enterprise based on the implementation of practical and analytical work. Particular attention is focused on the use of modern ...