10 articles in this issue
Nikolai Kalinichenko
The object of research is the process of creep feed grinding of parts of aircraft engines with hard-to-machine materials. In the aviation industry from such materials (steel 4?5??1?, ??53??????, etc.) blades and disks of turbines, segments of nozzle appar... see more
Vadim Selivorstov,Nataliia Dotsenko,Yuri Dotsenko,Vadym Dotsenko
The object of research is AK7 alloy, which is subjected to the complex action of vibration and modification in the process of producing cylindrical billets by means of casting in a metal mold. One of the most problematic places is the determination of rat... see more
Olena Chulieieva,Volodymyr Zolotaryov
The level of electrophysical properties of fireproof polymer compositions, depending on the influence of ingredients, has not been sufficiently studied. This is especially true of the effect of the modifier on the properties of the insulation and sheath o... see more
Vladislav Shybetsk?y,Serhii Kostyk
The object of research is the hydrodynamics of the boundary layer of the nozzle element of the proposed design. In the course of the study, computer simulation methods were used in the ANSYS environment, in particular the CFX block, which includes a set o... see more
Oleksiy Lymarenko
The object of research is calculation of the value of the course of changes in the internal temperature in the investigated house with ventilated (VPS) and unventilated enclosing structures, where the two-stage regulation of the operation time of the heat... see more
Volodymyr Kvasnikov,Anatolij Perederko
The object of research is the process of processing the signal of the primary converter by a certain method. In carrying out measurements on the primary converter of the measuring system, in addition to the action parameter measurement, there are many sec... see more
Viacheslav Halytskyi
The object of research is a model of the thermal state of a remote measurement device, determined by the operating conditions and caused by the need to confirm the operation of the device in ambient conditions according to the requirements of the specific... see more
Andriy Dzhus,Andriy Yurych
The object of research is the design features of tanks for gas transportation in a compressed state and the criteria for their comparative evaluation. One of the most problematic places is the lack of a unified approach to the non-economic evaluation of t... see more
Valery Milowanov,Dmitriy Balashov
The paper presents information on the prospects for the use of nanoparticles to improve the thermotechnical characteristics of heat exchangers of the refrigerator operating on isobutane. The effect of nano additives is considered on the example of an expe... see more