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Engines, Energy and ThermotechnicsResearch and prospects for the use of autonomous low-power wind power plants

Research and prospects for the use of autonomous low-power wind power plants

Research and prospects for the use of autonomous low-power wind power plants Oleksandr Ponomarov ORCID: https://orcid.org/0000-0002-1032-5074 Oles Honchar Dnipro National University Denys Sukhov ORCID: https://orcid.org/0009-0009-3669-9742 Oles Honchar Dnipro National University The work is devoted to the development and implementation of new promising energy-efficient technologies, namely the use of wind energy in low-power autonomous power plants, for energy supply to remote consumers, mobile points of special services, etc. Autonomous energy installations of this type can also be useful for small private …

Innovative Technologies in Mechanical EngineeringFeatures of production of “glass” type parts under the conditions of different types of production

Features of production of “glass” type parts under the conditions of different types of production

Features of production of “glass” type parts under the conditions of different types of production Mykhailo Seliutin ORCID: https://orcid.org/0009-0003-6016-1033 Oles Honchar Dnipro National University Oleh Bondarenko ORCID: https://orcid.org/0000-0003-4958-1777 Oles Honchar Dnipro National University This report examines in detail and detail such a part as a glass, its purpose and methods of use in various industries. Particular attention is paid to the materials from which this part can be made, as well as methods for producing blanks for glass-type parts in …

Innovative Technologies in Mechanical EngineeringStudy of the advantages and disadvantages of fluid behavior modeling in the 3D MAX software package

Study of the advantages and disadvantages of fluid behavior modeling in the 3D MAX software package

Study of the advantages and disadvantages of fluid behavior modeling in the 3D MAX software package Oleh Kolesnichenko ORCID: https://orcid.org/0000-0002-6115-1481 Oles Honchar Dnipro National University Nowadays, when computer technologies are used in all fields of science and technology, it is almost impossible to imagine the activi-ties of various institutions, including scientific and educational ones, without modeling various objects and processes. The peculiarity of the design and construction of flying apparatus requires the use of modern methods of information processing, creation …

Engines, Energy and ThermotechnicsUse of thermal energy for blowing fuel tanks of rocket engines

Use of thermal energy for blowing fuel tanks of rocket engines

Use of thermal energy for blowing fuel tanks of rocket engines Yurii Mitikov ORCID: https://orcid.org/0000-0002-4787-603X Oles Honchar Dnipro National University Maksym Sedchenko ORCID: https://orcid.org/0009-0008-0027-0939 Oles Honchar Dnipro National University Yevhen Krupkin ORCID: https://orcid.org/0009-0002-7344-1061 Dniprovsk State Technical University The use of thermal energy for pressurizing fuel tanks in rocket propulsion systems is a crucial topic in the field of space technology. It encompasses various aspects of thermodynamics, materials engineering, and fluid and gas mechanics. This study examines the fundamental principles and …

Structural and Functional MaterialsStructure and phase composition of films Fe–Si–B-Cu–Nb and Fe–Si–B–Ni–Mo

Structure and phase composition of films Fe–Si–B-Cu–Nb and Fe–Si–B–Ni–Mo

Structure and phase composition of films Fe–Si–B-Cu–Nb and Fe–Si–B–Ni–Mo Serhii Riabtsev ORCID: https://orcid.org/0000-0002-2889-5278 Oles Honchar Dnipro National University Oleksandr Kushnerov ORCID: https://orcid.org/0000-0002-9683-2041 Oles Honchar Dnipro National University Valerii Bashev ORCID: https://orcid.org/0000-0002-3177-0935 Dniprovsk State Technical University The influence of modernized three-electrode ion-plasma sputtering of a complex target based on the Fe-Si-B system with Cu, Nb or Ni, Mo additives on the structure and properties of sputtered films has been studied. The formation of amorphous and nanocrystalline phases in the films was …

Structural and Functional MaterialsThe structure and mechanical properties of a multicomponent alloy of the Al-Co-Cr-Cu-Fe-Ni system obtained by quenching from the melt

The structure and mechanical properties of a multicomponent alloy of the Al-Co-Cr-Cu-Fe-Ni system obtained by quenching from the melt

The structure and mechanical properties of a multicomponent alloy of the Al-Co-Cr-Cu-Fe-Ni system obtained by quenching from the melt Oleksandr Kushnerov ORCID: https://orcid.org/0000-0002-9683-2041 Oles Honchar Dnipro National University Valerii Bashev ORCID: https://orcid.org/0000-0002-3177-0935 Dniprovsk State Technical University Serhii Riabtsev ORCID: https://orcid.org/0000-0002-2889-5278 Oles Honchar Dnipro National University This study investigates the influence of cooling rate on the microstructure, phase formation, and mechanical properties of the high-entropy alloy (HEA) Al4CoCrCuFeNi. X-ray diffraction analysis revealed a fascinating interplay between cooling rate and phase composition. …