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description Publicationkeyboard_double_arrow_right Article 2018 UkrainePublisher:НТУ "ХПИ" Представлены результаты разработки проточной части радиально-осевой насос-турбины повышенной быстроходности на напор до 120 м для условий Каневской ГАЭС. С помощью программного комплекса IPMFlow выполнено численное исследование пространственного вязкого течения жидкости в решетках направляющего аппарата и рабочего колеса в турбинном режиме работы. Проведен анализ структуры потока и потерь энергии в этих элементах проточной части при четырех значениях расхода. The results of the development of a flow part of radial-axial pump-turbine of high specific speed at head up to 120 m for the conditions of the Kanevskaya PSPP are presented. Profiling of the runner blade by method of solving the differential equation of the current streamlet in the plan has been carried out. A numerical study of the spatial viscous fluid flow in the computational domain including guide vanes and a runner in a turbine operating mode using the software program IPMflow has been performed. The fluid flow simulation on basis of numerical integration of the Reynolds equations with an additional term containing artificial compressibility has been implemented. The differential two-parameter model of Menter (SST) has been applied to take into account turbulent effects. Numerical integration of the equations is carried out using an implicit quasi-monotone Godunov type scheme of second - order accuracy in space and time. The flow pattern and energy losses in these elements of flow part at four values of discharge has been analyzed.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2015 UkrainePublisher:Одесский национальный политехнический университет В работе обсуждаются данные по влиянию индуктивности емкостного накопителя генератора магнитного поля на форму и параметры формируемого импульса. Приведены результаты численного моделирования. This paper discusses the data on the effect of inductance capacitive storage magnetic field generator on the shape and parameters of the pulse. The results of numerical simulation.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2016 UkrainePublisher:Cумский государственный университет Смесевое твердое ракетное топливо (СТРТ) является источником химической энергии различных космических аппаратов. В качестве окислителя в составе ТРТ широко используется перхлорат аммония (ПХА). Термическое разложение ПХА играет значительную роль в процессе сгорания ТРТ. Баллистические свойства СТРТ можно улучшить при добавлении таких катализаторов, как оксид железа, оксид меди, хромит меди, оксид никеля и т.д., которые ускоряют скорость разложения ПХА.
Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2016add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______2001::83d4ecfc2d397ffe7591e918e904a129&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2016add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Thesis 2018 UkrainePublisher:Северо-Кавказский филиал федерального государственного бюджетного образовательного учреждения высшего образования "Белгородский государственный технологический университет им. В. Г. Шухова" Приведен анализ развития фотомодулей и СЭС. Суть наших изобретений заключается в усовершенствовании конструкции фотомодуля цилиндрической формы Solyndra, содержащего две стеклянные трубки. Трубка меньшего диаметра покрыта тонкой пленкой ФЭП и помещена в такую же трубку большего диаметра. Эффективность фотомодуля повышается за счет охлаждения и дополнительного получения тепла. The analysis of PV modules and solar power. The essence of our invention is to improve the design of cylindrical shape photomodule Solyndra, comprising two glass tubes. A tube of smaller diameter is covered by a thin film photovoltaic cells and placed in the same tube of larger diameter. Photo module efficiency is enhanced by additional cooling and heat production.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______3033::c5bb9a3120dfd8cacadbc18dbf1343eb&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2019Publisher:Zenodo Authors: S. Hrushko; L. Titarenko; A. Barkalov; I. Zeleneva;The purpose of this research is to determine the effective way of implementation of the control algorithm, as an important functional part of information and control computer systems. The search criterion is the minimum of internal hardware FPGA resources required for the control unit implementation. This criterion allows miniaturization of dimensions, improves reliability by reducing the number of interconnections inside the chip, and ensures the possibility of a compact arrangement of various system components, which is especially important when using the “system-on-chip” design technology. The control unit holds a prominent place in the digital information and control systems. A comparative analysis of two control unit models represented as a finite state machine with either hard or programmable logic was proposed. Advantages and disadvantages of both models were determined according to the peculiarities of the information and control system algorithms, and, it was proved that the FSM model with a programmable logic matched these peculiarities in a greater degree. The purpose of this study was achieved due to the application of the proposed method for the implementation of the FSM with the programmable logic using the embedded memory of the FPGA and ProASIC chips. The main result was a substantial decrease in the LUT number used. The experimental results were obtained applying the chips of the world's top manufacturers - Xilinx, Altera/Intel, Microsemi. The studies were carried out based on the onboard computing complex control algorithm.
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visibility 5visibility views 5 download downloads 3 Powered bymore_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2013 UkrainePublisher:Сумский государственный университет За последние года потребление энергии возросло во всех лидирующих странах мира. Наша страна также столкнулась с этой проблемой. Вместе с востребованностью, возросла и цена на энергию. Так как ресурсы Земли не бесконечны, начали возникать экологические проблемы. Это вынудило человечество искать нетрадиционные альтернативные источники энергии. Один из самых успешных – энергия ветра.
Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2013add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2013add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Thesis 2017 UkrainePublisher:Одеський національний економічний університет Authors: Melnyk, Leonid Hryhorovych; Dehtiarova, Iryna Borysivna;Розкривається сутність стратегій розвитку підприємства в умовах індустріальних революцій, а також можливі труднощі економічних, фінансових і соціальних систем. Наводиться визначення штучної нейронної мережі (ШНС). Обґрунтовується стратегія розвитку "Інтернет речей". Раскрывается сущность стратегий развития предприятия в условиях индустриальных революций, а также возможные трудности экономических, финансовых и социальных систем. Приводится определений искусственной нейронной сети (ИНС). Обосновывается стратегия развития "интернет вещей". The essence of the enterprise development strategies in the conditions of industrial revolutions is disclosed, as well as the possible difficulties of economic, financial and social systems. The definitions of an artificial neural network (INS) are given. The development strategy of the "Internet of things" is grounded.
Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2017add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2017add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2012 UkrainePublisher:НТУУ "КПІ" Authors: Cherniavsky, A.;add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2012 UkrainePublisher:НТУ "ХПИ" Проведен анализ существующих технологий гидродинамической штамповки на пресс-пушках,отмечены их основные преимущества и недостатки. Определено направление дальнейшего развития гидродинамической штамповки как перспективной импульсной технологии. Рассмотрен новый способ – гравитационная гидродинамическая штамповка, приведена методика расчета параметров для его реализации. Рассмотрены варианты расширения технологических возможностей способа. ; Analysis of the existing technologies for hydrodynamic stamping on press-guns has been conducted; its advantages and disadvantages have been marked. The further development of the hydrodynamic stamping as a promising impulse technology has been determined. A new method – gravitational hydrodynamic stamping has been examined, the method of calculating of the parameters for its implementation has been described. The variants of the expansion of technological capabilities of the process have been examined.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2013 UkrainePublisher:НТУ "ХПИ" Рассмотрена эффективность импульсно-индукционного отталкивания и тор-можения при вертикальном перемещении электропроводящего якоря с испол-нительным элементом при помощи импульсов электродинамической силы без дополнительного заряда емкостного накопителя энергии в рабочем цикле. Показано, что с увеличением начального зазора между якорем и индуктором уменьшается высота подбрасывания, но улучшаются тормозные показатели. ; Efficiency of impulse-induction repulsion and braking at vertical movement of conductive armature with actuating element by usingpulses of electrodynamical force without additional charge of a capacitor energy storage in an operating cycle is considered. It is shown that at the increase of theinitial gap between armature and inductor, the height of tossing up decreases but braking characteristics are improved.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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description Publicationkeyboard_double_arrow_right Article 2018 UkrainePublisher:НТУ "ХПИ" Представлены результаты разработки проточной части радиально-осевой насос-турбины повышенной быстроходности на напор до 120 м для условий Каневской ГАЭС. С помощью программного комплекса IPMFlow выполнено численное исследование пространственного вязкого течения жидкости в решетках направляющего аппарата и рабочего колеса в турбинном режиме работы. Проведен анализ структуры потока и потерь энергии в этих элементах проточной части при четырех значениях расхода. The results of the development of a flow part of radial-axial pump-turbine of high specific speed at head up to 120 m for the conditions of the Kanevskaya PSPP are presented. Profiling of the runner blade by method of solving the differential equation of the current streamlet in the plan has been carried out. A numerical study of the spatial viscous fluid flow in the computational domain including guide vanes and a runner in a turbine operating mode using the software program IPMflow has been performed. The fluid flow simulation on basis of numerical integration of the Reynolds equations with an additional term containing artificial compressibility has been implemented. The differential two-parameter model of Menter (SST) has been applied to take into account turbulent effects. Numerical integration of the equations is carried out using an implicit quasi-monotone Godunov type scheme of second - order accuracy in space and time. The flow pattern and energy losses in these elements of flow part at four values of discharge has been analyzed.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2015 UkrainePublisher:Одесский национальный политехнический университет В работе обсуждаются данные по влиянию индуктивности емкостного накопителя генератора магнитного поля на форму и параметры формируемого импульса. Приведены результаты численного моделирования. This paper discusses the data on the effect of inductance capacitive storage magnetic field generator on the shape and parameters of the pulse. The results of numerical simulation.
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more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2016 UkrainePublisher:Cумский государственный университет Смесевое твердое ракетное топливо (СТРТ) является источником химической энергии различных космических аппаратов. В качестве окислителя в составе ТРТ широко используется перхлорат аммония (ПХА). Термическое разложение ПХА играет значительную роль в процессе сгорания ТРТ. Баллистические свойства СТРТ можно улучшить при добавлении таких катализаторов, как оксид железа, оксид меди, хромит меди, оксид никеля и т.д., которые ускоряют скорость разложения ПХА.
Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2016add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2016add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Thesis 2018 UkrainePublisher:Северо-Кавказский филиал федерального государственного бюджетного образовательного учреждения высшего образования "Белгородский государственный технологический университет им. В. Г. Шухова" Приведен анализ развития фотомодулей и СЭС. Суть наших изобретений заключается в усовершенствовании конструкции фотомодуля цилиндрической формы Solyndra, содержащего две стеклянные трубки. Трубка меньшего диаметра покрыта тонкой пленкой ФЭП и помещена в такую же трубку большего диаметра. Эффективность фотомодуля повышается за счет охлаждения и дополнительного получения тепла. The analysis of PV modules and solar power. The essence of our invention is to improve the design of cylindrical shape photomodule Solyndra, comprising two glass tubes. A tube of smaller diameter is covered by a thin film photovoltaic cells and placed in the same tube of larger diameter. Photo module efficiency is enhanced by additional cooling and heat production.
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more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2019Publisher:Zenodo Authors: S. Hrushko; L. Titarenko; A. Barkalov; I. Zeleneva;The purpose of this research is to determine the effective way of implementation of the control algorithm, as an important functional part of information and control computer systems. The search criterion is the minimum of internal hardware FPGA resources required for the control unit implementation. This criterion allows miniaturization of dimensions, improves reliability by reducing the number of interconnections inside the chip, and ensures the possibility of a compact arrangement of various system components, which is especially important when using the “system-on-chip” design technology. The control unit holds a prominent place in the digital information and control systems. A comparative analysis of two control unit models represented as a finite state machine with either hard or programmable logic was proposed. Advantages and disadvantages of both models were determined according to the peculiarities of the information and control system algorithms, and, it was proved that the FSM model with a programmable logic matched these peculiarities in a greater degree. The purpose of this study was achieved due to the application of the proposed method for the implementation of the FSM with the programmable logic using the embedded memory of the FPGA and ProASIC chips. The main result was a substantial decrease in the LUT number used. The experimental results were obtained applying the chips of the world's top manufacturers - Xilinx, Altera/Intel, Microsemi. The studies were carried out based on the onboard computing complex control algorithm.
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visibility 5visibility views 5 download downloads 3 Powered bymore_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis 2013 UkrainePublisher:Сумский государственный университет За последние года потребление энергии возросло во всех лидирующих странах мира. Наша страна также столкнулась с этой проблемой. Вместе с востребованностью, возросла и цена на энергию. Так как ресурсы Земли не бесконечны, начали возникать экологические проблемы. Это вынудило человечество искать нетрадиционные альтернативные источники энергии. Один из самых успешных – энергия ветра.
Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2013add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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more_vert Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2013add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Doctoral thesis , Thesis 2017 UkrainePublisher:Одеський національний економічний університет Authors: Melnyk, Leonid Hryhorovych; Dehtiarova, Iryna Borysivna;Розкривається сутність стратегій розвитку підприємства в умовах індустріальних революцій, а також можливі труднощі економічних, фінансових і соціальних систем. Наводиться визначення штучної нейронної мережі (ШНС). Обґрунтовується стратегія розвитку "Інтернет речей". Раскрывается сущность стратегий развития предприятия в условиях индустриальных революций, а также возможные трудности экономических, финансовых и социальных систем. Приводится определений искусственной нейронной сети (ИНС). Обосновывается стратегия развития "интернет вещей". The essence of the enterprise development strategies in the conditions of industrial revolutions is disclosed, as well as the possible difficulties of economic, financial and social systems. The definitions of an artificial neural network (INS) are given. The development strategy of the "Internet of things" is grounded.
Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2017add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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more_vert Electronic Sumy Stat... arrow_drop_down Electronic Sumy State University Institutional RepositoryDoctoral thesis . 2017add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2012 UkrainePublisher:НТУУ "КПІ" Authors: Cherniavsky, A.;add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2012 UkrainePublisher:НТУ "ХПИ" Проведен анализ существующих технологий гидродинамической штамповки на пресс-пушках,отмечены их основные преимущества и недостатки. Определено направление дальнейшего развития гидродинамической штамповки как перспективной импульсной технологии. Рассмотрен новый способ – гравитационная гидродинамическая штамповка, приведена методика расчета параметров для его реализации. Рассмотрены варианты расширения технологических возможностей способа. ; Analysis of the existing technologies for hydrodynamic stamping on press-guns has been conducted; its advantages and disadvantages have been marked. The further development of the hydrodynamic stamping as a promising impulse technology has been determined. A new method – gravitational hydrodynamic stamping has been examined, the method of calculating of the parameters for its implementation has been described. The variants of the expansion of technological capabilities of the process have been examined.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2013 UkrainePublisher:НТУ "ХПИ" Рассмотрена эффективность импульсно-индукционного отталкивания и тор-можения при вертикальном перемещении электропроводящего якоря с испол-нительным элементом при помощи импульсов электродинамической силы без дополнительного заряда емкостного накопителя энергии в рабочем цикле. Показано, что с увеличением начального зазора между якорем и индуктором уменьшается высота подбрасывания, но улучшаются тормозные показатели. ; Efficiency of impulse-induction repulsion and braking at vertical movement of conductive armature with actuating element by usingpulses of electrodynamical force without additional charge of a capacitor energy storage in an operating cycle is considered. It is shown that at the increase of theinitial gap between armature and inductor, the height of tossing up decreases but braking characteristics are improved.
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For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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