Электротехника, электронная техника, информационные технологии список научных статей
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ОБЗОР ТЕХНИЧЕСКИХ ВОПРОСОВ, ВОЗНИКАЮЩИХ ПРИ ПОДКЛЮЧЕНИИ УСТАНОВОК РАСПРЕДЕЛЕННОЙ ГЕНЕРАЦИИ
В статье исследуется влияние распределенной генерации на распределительную сеть энергосистемы. Обусловлены технические вопросы, возникающие при подключении установок РГ.
2017 / Климов П.Л., Доденгефт Е.А. -
RESULTS OF A STUDY OF THE AMMONIA ABSORPTION EFFICIENCY BY A B RINЕ IN A VORTEX DEVICE
Object of research: vortex mass transfer device for the effective absorption of ammonia by brine in soda production. Investigated problem: intensification of mass transfer processes and ensuring effective absorption of ammonia with small dimensions of the device and low hydraulic resistance Main...
2020 / Alina Hrubnik, Tetiana Novozhylova, Evgeny Semenov -
RESEARCH OF THE RESONANCE PROPERTIES OF HELMHOLTZ RESONATORS
The object of research. Process of oscillation of the Helmholtz resonators. Investigated problem. Differences between some formulas for the calculation of the resonant frequency of the Helmholtz resonator and the most accurate of them were established. The effect of acoustic design on the Helmholtz ...
2020 / Yuliia Kopytko, Vitaliy Zaets, Sergey Naida, Vitaliy Didkovskyi, Anastasiia Damarad -
АЛГОРИТМ РАСПОЗНАВАНИЯ ТИПА ВОЗДУШНОЙ ЦЕЛИ
Описан алгоритм распознавания типа воздушной цели с турбореактивным двигателем на основе эффекта вторичной модуляции отраженного радиолокационного сигнала, учитывающий коррелированность ошибок при сопоставлении спектрально-доплеровского портрета и сохраняющий работоспособность при отсутствии...
2017 / Надточий В.Н. -
ВЛИЯНИЕ КОНСТРУКЦИИ ТОКОПРИЕМНИКА НА БЕЗАВАРИЙНУЮ РАБОТУ КОНТАКТНОЙ СЕТИ И ЭЛЕКТРОПОДВИЖНОГО СОСТАВА
Самым серьезным недостатком контактной сети электрифицированных железных дорог является отсутствие резерва. В связи с этим обстоятельством и несмотря на то, что электроподвижной состав, как правило, оборудован резервными токоприемниками, к конструкции последних предъявляются жесткие требования в...
2017 / Евдокимов А.А. -
ПРОЕКТИРОВАНИЕ СИСТЕМЫ ЭЛЕКТРОСНАБЖЕНИЯ ЛЕГКОГО САМОЛЕТА С КОМБИНИРОВАННОЙ СИЛОВОЙ УСТАНОВКОЙ
В статье представлена разработка системы электроснабжения самолета с комбинированной (гибридной) силовой установкой, выполненного по схеме "тяни-толкай". Описывается проектирование функциональной схемы электроснабжения, производятся подбор функциональных элементов и расчет первичной...
2017 / Позмогов К.О. -
НАДЕЖНОСТЬ ВЕНТИЛЯЦИОННЫХ СИСТЕМ НА АТОМНЫХ ЭЛЕКТРОСТАНЦИЯХ
Предложено применение новых решений в совершенствовании надежности вентиляционных систем на атомных электростанциях.
2017 / Рудакова Е.М., Семичева Н.Е. -
РЕАКЦИЯ ЯКОРЯ В НЕЯВНОПОЛЮСНОЙ МАШИНЕ
В статье рассмотрена реакция якоря в неявнополюсной синхронной машине.The article considers the reaction of an anchor in an implicit-pole synchronous machine.
2017 / Селезнев В.В., Пилипенко А.С., Шашеро В.Г. -
АНАЛИЗ ПРОГНОЗНЫХ ВОЗМОЖНОСТЕЙ ЭКОНОМЕТРИЧЕСКИХ МОДЕЛЕЙ
Использование моделей среднесрочного прогнозирования дает возможность принимать эффективные управленческие решения. Построенная эконометрическая модель описывает закономерности между урожайностью озимой пшеницы и среднемесячными температурами мая с период 1991-2015 годов. Анализ построенной...
2017 / Симоненко Е.И. -
ADEQUACY EVALUATION OF THE SYNTHESIS OF MATHEMATICAL MODELS FOR ONE CLASS OF LINEAR DYNAMIC SYSTEMS WITH PARAMETERS, VARIABLE IN TIME AND IN SPACE
The object of research: the authors of this work have synthesized in previous publications a mathematical model of one class of linear dynamic systems with variable parameters in time and space, which includes the system for lifting and lowering a load with a crane in the case of taking into...
2020 / Borys Mokin, Oleksandr Mokin, Oleksandr Kryvonis -
INTEGRATED USE OF MAGNETITE IN ENVIRONMENTAL PROTECTION MEASURES
The object of research: magnetite obtained by using the ferritic method for the purification of iron-containing solutions. Problem to be solved: a comprehensive solution to the problem of using magnetite, obtained as a result of using the ferrite method for purifying iron-containing solutions, as a ...
2020 / Olena Ivanenko, Vyacheslav Radovenchyk, Tatyana Overchenko, Іaroslav Radovenchyk -
SIMULATION OF THE RADIANT HEAT TRANSFER PROCESS IN THE ELEMENTS OF ROASTING EQUIPMENT
The object of the research is the process of radiation heat transfer, taking into account a single reflection of rays in the IR device of food production. Investigated problem – the work is devoted to solving the problem of irregularity of radiation heat transfer during infrared roasting of food...
2020 / Stanislav Kostenko, Natalia Fedak, Olga Mayak -
DEVELOPMENT OF PROMISING SYNTHESIS TECHNOLOGY AVENIR GAZ CONVERTING DIESELS TO GAS ENGINES WITH SPECIAL IGNITION
The object of research is the multifunctional synthesis technology Avenir Gaz (of various levels of complexity), intended for converting transport diesel engines into spark-ignited gas internal combustion engines (ICE) for operation on liquefied petroleum gas (LPG). Investigated problem: the...
2020 / Serhii Kovalov -
COMPARATIVE ANALYSIS OF METHODS SUPPLIES THERMAL ENERGY IN HIGH-WATER BIOLOGICAL OBJECTS DURING DRYING
Object of research: the process of heating a biological object with various methods of supplying thermal energy, in particular, convective, direct electric and combined methods. Solved problem: intensification of heating of high-moisture biological objects during the drying process. Main scientific ...
2021 / Oleksandr Savoiskyi, Valerii Yakovliev, Viktor Sirenko -
STUDY OF THE KINETICS OF DRYING IRON (II) SULFATE HEPTAHYDRATE BY FILTRATION METHOD
The object of research: kinetics of filtration drying process of iron (II) sulfate heptahydrate. Solved problem: to obtain the calculated dependence of the kinetics of filtration drying, which predicts the nature of the change in the moisture content of the material in time during the period of...
2021 / Nadiia Tsiura, Diana Kindzera, Iryna Huzova, Volodymyr Atamanyuk -
TRENDS IN THE DEVELOPMENT OF METHODS FOR DIAGNOSTICS OF THE TECHNICAL STATE OF THE BLADES OF GAS-PUMPING UNITS
Object of research: degradation processes occurring in the blades of a gas-pumping unit (GPU) during its long-term operation and cause the appearance of defects that lead to a change in their technical condition and breakage of the working blades and, as a result, to accidents. Solved problem:...
2021 / Leonid Zamikhovsky, Olena Zamikhovska, Nataliia Ivanyuk -
DEVELOPMENT OF EXTREME REGULATOR OF SEPARATION MOISTURE FROM THE GAS STREAM
Object of study: Automation of control of technological parameters of the process of low-temperature separation (LTS) of moisture from a gas stream. Investigated problem: Improving the efficiency of the separation process when preparing gas for transportation through the consumption network....
2021 / Heorhіi Kulіnchenko, Petro Leontiev, Oleksii Drozdenko -
DEVELOPMENT OF METHODS FOR THE ASSESSMENT OF VULNERABILITY OF THE RECEIVER INPUT OF FREESPACE OPTICAL COMMUNICATION FROM THE EFFECTS OF RADIATION, AS THE EFFECTS OF THE DESTRUCTION OF RADIATION HAZARDOUS OBJECTS
Object of research: Free-space optical communication (FSO). Investigated problem: Significant advantages of free-space optical communication in comparison with the existing networks of useful data transmission justify their use in various complex environmental conditions, which require the...
2021 / Nazarii Blazhennyi, Oleksandr Turovsky, Liudmyla Kyrpach, Yana Kremenetskaya, Olena Zhukova -
TRIAL USING OF ULTRASONIC CAVITATION IN COTTONIZATION PROCESSES OF HEMP FIBERS
The object of research: ultrasonic processing technology of textile materials. Investigated problem: increasing the degree of splitting of complex hemp fibers due to the effect of the mechanism of ultrasonic cavitation on them. The main scientific results: The article shows the potential of textile ...
2021 / Olha Hych, Oksana Zakora, Mariia Rastorhuieva, Andrii Zilinskyi -
GENETIC ALGORITHM APPLICATION FOR ELECTRODYNAMIC TRANSDUCER MODEL IDENTIFICATION
Research object: the adaptation and application of the genetic algorithm for electrodynamic transducer model parameters identification. Investigated problem: to formulate loudspeaker identification task as an optimization problem, adapt it to the genetic algorithm framework and compare obtained...
2021 / Denys Volkov, Artem Zubkov, Vitalii Didkovskyi