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Articles 1 - 7 of 7
Full-Text Articles in Mechanical Engineering
Numerical Simulation Of Nonlinear Vibrations Of Discrete Mass With Harmonic Force Perturbation, M. Yusupov, B. A. Akhmedov, Olga Karpova
Numerical Simulation Of Nonlinear Vibrations Of Discrete Mass With Harmonic Force Perturbation, M. Yusupov, B. A. Akhmedov, Olga Karpova
Acta of Turin Polytechnic University in Tashkent
The problem of vibration of a single-mass system under the force excitation of vibration associated with a fixed base by a weightless nonlinear viscoelastic spring is considered. To take into account the rheological properties of the spring material, the Boltzmann-Volterra principle was used. Mathematical models of the problem under consideration are obtained, which are described by integro-differential equations. A solution method based on the use of quadrature formulas has been developed and a computer program has been compiled on its basis, the results obtained are presented in the form of graphs. The influence of nonlinear and rheological properties of a …
Design And Control Techniques Of The Open-Circuit Subsonic Wind Tunnel With Closed Testing Section, Jamshid Yakhshilikov, Jamshid Inoyatkhodjaev
Design And Control Techniques Of The Open-Circuit Subsonic Wind Tunnel With Closed Testing Section, Jamshid Yakhshilikov, Jamshid Inoyatkhodjaev
Acta of Turin Polytechnic University in Tashkent
This paper will describe the design and control techniques of the open-circuit subsonic wind tunnel with closed testing section (WT) for study purpose. The goal is to design a WT that can be tested at a wind speed of 30 m/s, where the desired cross-sectional area of the test chamber is 0.5x0.5 m. The pressure drop inside the WT has been calculated in order to select one of the available axial fans from the manufacturer’s catalog, and computational fluid dynamics (CFD) was performed to check the result. In order to obtain a smooth airflow in the test section, a proportional …
Improving The Technological Process Of The Fertilizer From Centrifugal Fertilizer Apparatus And Setting The Parameters, B. M. Khudayarov, A. A. Mambetsheripova
Improving The Technological Process Of The Fertilizer From Centrifugal Fertilizer Apparatus And Setting The Parameters, B. M. Khudayarov, A. A. Mambetsheripova
Acta of Turin Polytechnic University in Tashkent
The construction of a new pneumoinertial actuating element for fertilizer and their mixtures, as well as results of laboratory tests are presented in this article. Values of basic design and process parameters are determined. Width of fertilizer is being increased to 13m.
Mathematical Model Of The Level Processing Of Organic Wastes On Methanogenesis Mixing Process, Shavkat Imomov, Mansur Sultonov, Akmal Rustamov
Mathematical Model Of The Level Processing Of Organic Wastes On Methanogenesis Mixing Process, Shavkat Imomov, Mansur Sultonov, Akmal Rustamov
Acta of Turin Polytechnic University in Tashkent
The article presents the results of the authors' many experiments on organic waste processing in agriculture. The analysis of the existing biogas plants of advanced countries and comparison of the products obtained during the anaerobic treatment of organic agricultural wastes is presented.
Industrial Conveyors’ Taxonomy And Its Applications, A. Hoshimov, A. Rustamov, J. Rozzokov
Industrial Conveyors’ Taxonomy And Its Applications, A. Hoshimov, A. Rustamov, J. Rozzokov
Acta of Turin Polytechnic University in Tashkent
In any manufacturing processes includes a material handling equipment that can transport raw material or semi-finished products from the one workstation to another. Material handling equipment are designed based on the type of manufacturing product or the process. Therefore, engineers can easily make decision anaylsis while the selection of the most preferred type of industrial conveyors among others. This paper focuses on the industrial conveyors that classifies all available conveyor types. In this work is defined a review that covers most of the currently available literatures and conveyors types that describes industrial conveyors, types, characteristics and applications. A taxonomy is …
Optimal Control And Design Of Functionality To Improve Efficiency And Lifetime Of Proton Exchange Membrane Fuel Cell, Maftuna Eshkobilova, Uktam Salomov, Maksudbek Baydjanov
Optimal Control And Design Of Functionality To Improve Efficiency And Lifetime Of Proton Exchange Membrane Fuel Cell, Maftuna Eshkobilova, Uktam Salomov, Maksudbek Baydjanov
Acta of Turin Polytechnic University in Tashkent
This work is devoted to identify operating conditions to maximize the life of power supply, meet the required power output and improve fuel consumption efficiency. We devise a framework for designing fuel cell power supplies for field sensor networks, which have important applications in environmental monitoring, wildlife preservation, in disaster monitoring and in border security. The high efficiency, low emission and zero noise pollution features of fuel cells have made them a promising clean power source. Especially, proton exchange membrane fuel cells are promising alternative to conventional fossil fuel system, because they are clean, quiet and operate high efficiencies. However, …
Lumped Parameter Modeling Of Quick Coupling, Sanjar Mirzaliev
Lumped Parameter Modeling Of Quick Coupling, Sanjar Mirzaliev
Acta of Turin Polytechnic University in Tashkent
Quick coupling is a device for easy engagement and disengagement of fluid power lines. Thanks to their modular design, a large variety of connections conforming to international standards is available. High-quality quick-action coupling made of steel, stainless steel, brass or plastic for practically every application contingency. They are the very best, and easiest way to separate a hydraulic line, and to put it back together. In this article, lumped parameters of quick coupling is obtained by using Solid Works Flow Simulation and mathematical model made in Siemens Amesim hydraulic design tool.