Research of mathematical model of the process intrusion forming polymer products. Establishing a dependency on the angle of melt costs lifting screw injection unit in the material cylinder based on the geometric parameters of extrusion head and mold.
Consideration the mathematical model of process of pressing of seamless pipes. Effect on various forms of rolling shaping matrix. The nature of the formation of the deformation zone. Development of direct compression on a cylindrical mandrel pipe.
Technological solutions that allow us to solve the problem of premature wear of the printing machines. A new technology of strengthening and recovery of details based on vibration roll burnishing is offered. Experimental work and scientific conclusions.
Cylinder shaped parts – one of the mostly used in printing presses. A new technology of strengthening and recovery of details based on vibration roll burnishing is offered in the article. Experimental work and scientific conclusions are described.
Development of methods for heat engineering tests of hydrodynamic pumps. Processes which occur in activator with water thermal hydrodynamic pump. Water flow speeds in a system. Gas bubbles are the product of centrifugal force effecting on carrier flow.
Іn this paper we present the microcontroller system for the diagnostics and evaluation of the Stirling engine performance. For this purpose the analysis model for the prototype engine has been developed to present the engine’s improved benchmarking result
Research microstructure Rodent dental alloy based on Ni-Cr-Mo after casting in a vacuum furnace. Chemical analysis of crystallographic orientation and topography. Bold molybdenum carbides, eutectic-P and particles of aluminum oxide within dendrites.
In this study, porous Ti-Nb-Zr biomaterial which is not included poison elements was successfully fabricated by powder metallurgy using space holder of NH4HCO3 and foaming agent of TiH2. Biocompatibility of porous Ti-Nb-Zr alloys is similar to Ti-6Al-4V.
Evaluation of the technical system and its subsequent use for decision-making to ensure complex technical systems with appropriate quality of work. The characteristics and specificity of the model changes performance States based on the Markov chain.
Establishing conditions for quality surface finish in grinding abrasive wheel. Determine the optimal mode grinding, allowing you to get the highest performance and lowest cost processing, providing the necessary tech-tech requirements for machine parts.
Determination of the rolling parameters that allow obtaining a bimetallic ribbed bar. Familiarization with the shape and dimensions of the round ribbed finished pass and of the bimetallic flat oval band obtained in numerical modelling - cross-section.
The problem of fuzzy multicriterial analysis of local energy conversion systems. Construction of training samples for artificial neural networks. Application of multiagent calculating models. Transition from vectorial criterion to a scalar combination.
Approaches to optimization and the development of the model given the parameters and constraints of the subject area to improve the efficiency of product quality. Modules of adaptation and realization of adaptation functions and testing system components.
Consideration of lightweight aggregate that obtained from the raw material modified by clay minerals, zeolites. Protection the environment from petroleum substances. Modification of the lightweight aggregate with the use of spent zeolite sorbents.
Выбор и анализ методов обработки мужской демисезонной куртки, обеспечивающих повышение производительности труда и снижение затрат времени на изготовление. Оценка эффективности методов обработки и сборки. Инструкционно-технологическая карта обработки узла.
The conductive nanocomposite films based on functional reactive copolymers and bifunctional alcohols. Creation multiwall carbon nanotubes. Dependence properties of the nanocomposites from the specific composite composition and obtaining conditions.
Analysis a lot of problems which constrain the transfer of diesel engines on "ecological" fuel and showing opportunities of manufacturing this fuel on Ukrainian enterprises. Evaluation of innovation taking in consideration environmental protection.
A new concept of Artificial Neural Networks in estimating speed and controlling a separately excited DC motor. A three-layer feed forward neural network with sigmoid activation functions in the input and hidden layers and purelin in the output layer.
These developments are devoted to the use of sol-gel processes in various branches of science and technology. Based on inorganic ion-exchange materials, a technology was developed to extract lithium from natural brines, which are poor in lithium content.
Extraction of lithium using highly selective inorganic ion exchangers. Composite matrix-isolated flocculants-coagulants. Matrix isolation method is one of the directions of nanotechnology. The technology of application functional nanocomposite materials.