Vol 12, No 1 (2013)

Full Issue

AIRCRAFT AND SPACE ROCKET ENGINEERING
The main trends of aviation science development
Alyoshin B.S., Chernyshev S.L.
Abstract

The paper is devoted to the promising civil directions in the field of aerodynamics, aircraft configurations, power plants, materials and structures. The goals facing the aviation science with respect to improving aircraft are dealt with. Projects which are conducted by TsAGI in these directions are described. The paper is based on the materials of the plenary session of the Symposium “Aircraft building in Russia. Problems and Prospects” devoted to the 70th anniversary of Samara State Aerospace University named after academician S. P. Korolyov.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):9-18
views
Verifying models of mechatronic systems «man-centrifuge» for ground and space usage on the basis of set theory
Anshakov G.P., Akulov V.A., Balakin V.L.
Abstract

The paper presents the results of verification of the proposed criterion for assessing the adequacy of artificial gravitation and Earth gravitation. The validity of using this criterion in solving the similarity / dissimilarity problems of artificial gravitation and Earth gravitation is shown.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):19-25
views
Optimal control of the angle of attack of a hypersonic flight vehicle
Bebyakov A.A.
Abstract

The paper presents the solution of the task of optimal control of the angle of attack of a hypersonic flight vehicle (HFV) with minimum fuel consumption. Optimal control programs and flight paths of HFV are determined using the method called «Pontryagin’s maximum principle». Optimal control of the angle of attack is expected to provide minimization of the HFV drag force in the supersonic speed range and the recoil from the dense atmosphere in the hypersonic speed range for the terminal flight path angle of over ten degrees.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):26-38
views
Methods of optimal planning of using earth remote sensing space modules in the survey mode
Beznyakov A.M., Gorbulin V.I., Kargu D.L., Fadeev A.S., Scherbakov V.I.
Abstract

The paper is devoted to the optimization of using Earth remote sensing space modules of an orbital system in the survey overview mode for vast areas. It is suggested that the controlled area should be described by a set of non-overlapping Dirichlet domains – spherical polygons with equal circumradii. Each center of a Dirichlet domain (nodal point) is described at any point of time by the priority coefficient which depends on the importance of the area and the length of the time interval after the previous observation of the given point by one of the orbital system satellites. The target function in the optimization task of using Earth remote sensing space modules is the accumulative value of importance coefficients of the node points included in the plan of space modules application. An algorithm for solving the defined problem of combinatorial optimization is proposed taking into account the restrictions on power consumption and volumes of accumulated target information transferred to consumers.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):39-45
views
Improvements in methods of analysis and control of space-rocket equipment reliability at the stage of complex electrical testing
Belova V.V.
Abstract

The paper presents the structure of a logical-mathematical model for the control and analysis of the reliability of a complex engineering system of a full-scale item of equipment with ground experimental development at the stage of complex electrical tests for the integration in the process of testing Relex software.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):46-54
views
Determination of aircraft part masses based on a parametric 3D model at the stage of technical proposals
Borgest N.M., Gromov A.A., Tarabaeva A.I.
Abstract

The paper presents a computer model of masses of the basic aircraft units at the stage of technical proposals in a 3D CAD system CATIA .Comparative analysis of the models of aircraft part masses is carried out. An algorithm of automatic aircraft plane balance is proposed on the basis of the 3D model developed.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):55-62
views
Determination of optimum plans of Earth Remote Sensing spacecraft detailed survey by the use of a graph
Buzuev K.V.
Abstract

The paper deals with planning the observation of a set of routes lying in the swath of an Earth Remote Sensing (ERS) spacecraft. An algorithm of planning a detailed survey of the set of routes is proposed which makes up a complex of possible plans of the routes’ detailed survey in the form of a graph. A description of the detailed survey plans graph is given and the conditions for the existence of graph nodes and edges are specified. Several criteria of optimality are proposed to provide the choice of the optimum detailed survey plan. Optimum detailed survey plans based on the simulation data for a set of six routes are chosen in accordance with each proposed criterion.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):63-72
views
Unit impulse input tests of a system of the «Frigate» upper-stage rocket
Mikhalenkov N.A., Yermakov V.Y., Utkina Y.I.
Abstract

The paper is devoted to impact tests of a system of the «Frigate» upper-stage rocket, various methods of influence on the test object being used. A procedure is proposed for testing the system of separating the upper stage from the «I» block that makes it possible to reduce the number of loadings of the object.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):73-79
views
Peculiarities of acoustic loading of the space vehicle in the nose fairing launched as part of a «Soyuz»-type rocket
Popov P.A., Sindyukov A.A., Kryuchkov A.N.
Abstract

The paper describes a method for finding resonant acoustic modes taking into account the influence of the spacecraft geometry and that of the nose fairing of the "Soyuz" rocket. An example of determining the resonant acoustic modes under the nose fairing is given. A method of determining the effects of spacecraft component density under the payload fairing on the acoustic loading is described. The analysis of acoustical characteristics of the nose fairing compartment is carried out taking into account the influence of cutouts of sound insulation elements. Recommendations on the reduction of acoustic loads on the upper surface of the spacecraft are given.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):80-90
views
Integrated assessment of the efficiency of an orbital inspection space system based on small satellites
Tkachenko I.S., Kaurov I.V.
Abstract

The paper presents a method of integrated assessment of the efficiency of an orbital inspection space system based on small satellites with electrojet power modules. The main indicators of the system’s efficiency are defined. An algorithm for calculating the coefficient of integrated relative assessment of an orbital inspection system is developed. The approbation of the developed algorithm was carried out in order to define the most efficient variant of creating the system with the given priority coefficients. The results of assessing the system’s efficiency are shown to depend strongly on the values of the coefficients of priority of the indicators.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):91-100
views
MECHANICAL ENGINEERING AND POWER ENGINEERING
Analysis of the results of fatigue tests of cylindrical specimens with fillets using the method of finite element modeling
Vakulyuk V.S.
Abstract

The results of fatigue tests of cylindrical specimens with fillets of different radii to determine their fatigue limit under bending are analyzed using the method of finite element modeling. The peculiarities of surface hardening technological process have been taken into account.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):101-106
views
Active noise control systems based on acoustic particle velocity measurements
Gasparov M.S., Kharitonov M.Y.
Abstract

The paper describes a system of active noise suppression based on a one-meter long air duct with the section of 10×10 cm with built-in speakers imitating noise and anti-noise. The system of automatic noise suppression generates anti-noise in accordance with the signals from two acoustic sensors. The efficiency of suppressing acoustic feedback is analyzed. An active noise suppression system based on FPGA (field programmable gate array) was built. A microelectromechanical Microflown sensor directly measuring particle velocity is used as the reference signal sensor.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):107-114
views
Development of a structural and algorithmic model of pur-poseful actions of experts in maintenance and repair
Koptev A.N., Popovich A.A.
Abstract

The paper deals with the statement and ways of solving the problem of modeling the activity of an expert in maintenance and repair using the principles of structural and algorithmic as well as other ways of describing the activity.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):115-123
views
Mathematical model of training and self-training in maintenance of complicated systems
Koptev A.N., Popovich A.A.
Abstract

The paper presents theoretical analysis of various models of self-training using a uniform formal system of concepts. Models based on concepts of reinforcement of communications and a choice from a set of hypotheses are described as well as models of automatic and perceptron types. A number of parameters describing the process of self-training is derived.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):124-133
views
Analysis of the influence of high-frequency current and annealing modes on the complex of mechanical properties of titanium alloy GTE compressor blades produced by high-speed stamping
Kostyshev V.A., Pityugov M.S.
Abstract

The paper presents a pilot study and analysis of the influence of high-frequency current heating and annealing modes on the macro – and microstructure, the complex of mechanical properties, the amount of buckling and thermal stability of blades produced by high-speed stamping. The possibility of straightening combined with thermal processing to obtain satisfactory geometry of blades without essential decrease in the complex of mechanical properties is investigated.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):134-142
views
The influence of high-frequency current heating temperature on the structure and properties of VT9 alloy blanks for high-speed stamping
Kostyshev V.A., Pityugov M.S.
Abstract

The paper is devoted to the influence of technological parameters and methods of high-frequency current heating on the structure of VT9 alloy blanks for high-speed stamping. The influence of the blank structure on the strain stress state, the complex of mechanical properties, the energy of deformation and stability of stamping equipment are analyzed. Comparative estimation of high-frequency current heating and oven heating is given. The procedure of carrying out the experiments is presented and the analysis of their results is given.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):143-147
views
Verification of a complex of mathematical models of aerodynamics and dynamics of Savonius rotor motion
Sizov D.A., Onushkin Y.P., Krasnova O.A., Dzhanibekov O.T.
Abstract

The paper presents the main stages of verification of a complex of mathematical models of aerodynamics and dynamics of a Savonius rotor motion based on the discrete vortex method. The results of calculations are compared with the data of experiments conducted by others authors.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):148-156
views
Mathematical modeling of dynamic processes in a hydraulic drive with a discrete regulator of liquid flow
Shakhmatov Y.V., Gimadiev A.G., Sverbilov V.Y., Sinyakov A.F.
Abstract

The paper presents a mathematical model of a hydraulic drive with a discrete liquid flow regulator in the form of a switched inertial device that has a damper of working medium oscillations at the output. A hydraulic actuator loaded with mass was used as a final control element. Transition processes occurring when the regulator is activated are calculated by modeling the dynamic processes with the help of the Simulink software package. The research shows the impact of the valve operating frequency and pulse ratio on the dynamics and efficiency of the hydraulic drive. It could be concluded that the use of a hydraulic attenuator results in decreasing the level of pressure ripples at the inertial tube input.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):157-167
views
Test rig for a hydraulic drive under switched inertance control
Shorin V.P., Sverbilov V.Y., Gimadiev A.G., Greshniakov P.I., Ilyukhin V.N., Stadnik D.M.
Abstract

The paper presents a test rig equipped with control, measuring and registration hardware for the examination of dynamics and power efficiency of a hydraulic drive with a digital flow controller as one of the most promising means of control. The results of experimental research of a hydraulic drive under digital control in the form of a switched inertance device are presented.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):168-177
views
Cyclic com pression of a multilayer multispan laminated package of corrugated sheets
Eskin I.D., Alkeev R.I., Ivashchenko V.I.
Abstract

The task on cyclic compression of a multilayer multispan package of corrugated sheets is solved by the Bubnov-Galerkin method taking into account the rotation of the package sections located at the vertices of corrugations. The relations describing any loading processes in the field of elastic - hysteresis loops of the package are obtained.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):178-191
views
Experimental and design analysis of models of cyclic compression for a multilayer multispan package of corrugated sheets
Eskin I.D., Alkeev R.I., Ivashchenko V.I.
Abstract

The paper presents a solution of the task on cyclic compression of a laminated corrugated multispan packet assuming no rotation of the sections located at the vertices of corrugations (simplified model). Relationships describing any loading process in the field of elastic-hysteresis loops of the package are obtained. The relationships are experimentally analyzed in the range exceeding that of corrugated package parameters applied in practice.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):192-200
views
ELECTRONICS, MEASURING EQUIPMENT, RADIO ENGINEERING AND COMMUNICATION
Means of illumination of an underwater situation of manned submersibles
Alekseev A.V., Belenky V.N., Olenin A.L., Smirnov G.V.
Abstract

The possibility of creating a complex system of illumination of an underwater situation of a manned submersible is discussed in the paper. A technology of carrying out underwater technical operations is proposed which will make it possible to reduce the time of searching the object of research, to order the process of search and to guarantee the positive result that will facilitate the operator’s work and improve the safety of operations.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):201-210
views
Synthesis of combined methods of sun spectrometry method of continual spectral measurements
Godjayeva L.S.
Abstract

A method of logical synthesis of combined Sun photometers designated for (a) measurements of linear spectrums, and (b) measurements of continual spectrums is proposed.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):211-213
views
Calculation of spatial distribution of energy of a complex radiator
Yevdokimov I.Y., Nikolaenko V.S., Filippov G.S., Yashchenko B.Y.
Abstract

The paper presents the results of calculating spatial distribution of radiant energy from a radiator consisting of a cylindrical source of radiation and two disk reflectors, accordingly, with a diffuse character of radiation and reflection. A program of modeling optical parameters of complex reflectors is used as the basic tool of calculation. The basis for the procedure applied is the iterative-zonal method the essence of which consists in separating the radiating and reflecting systems as well as the light-trapping hemisphere into mentary platforms. The exchange of energy between the platforms is defined by means of a forward stroke beam method. The results of calculation are compared to the experimental data obtained in the course of the model light experiment.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):214-221
views
Device for the assessment of surface condition by friction gaging
Kolpakov V.A., Kolpakov A.I., Ivliev N.A., Krichevsky S.V.
Abstract

A device for monitoring the concentration of organic impurity on the surface of dielectric substrates such as CT-50, BK-94, BK-100, C5-1 in the range from 10-7 to 10-10 g/cm is described in the paper. The block diagram and the schematic diagram of the device as well as the algorithm of its operation are presented. The structure makes it possible to replace a substrate (the sample under study and the probe) within 60-80 seconds.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):222-229
views
Modeling of mass spectrometers using linear and nonlinear ion mirrors
Syomkin N.D., Piyakov I.V., Rodin D.V.
Abstract

The paper presents basic relations for calculating the parameters of mass spectrometers using ion mirrors with linear and nonlinear distribution of the axial potential. The results of simulations of the two types of spectrometers are presented as well as the results of calculating the dependence of the instrument’s resolution on the mass for various proportions of the field-free area length, the accelerating potential and the initial energy spread. Conclusions are made about the advantages of mass spectrometers using ion mirrors with nonlinear distribution of the axial potential on the basis of the data obtained.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):230-238
views
Conical horn antenna on a metal screen with a bias gyromagnetic resonator for the measurement of characteristics of an electromagnetic microwave concentrator
Soldatov A.A., Plotnikov A.M., Salimova N.R., Salimov S.R.
Abstract

The paper describes an antenna based on a conical horn and magnetized gyromagnetic resonator (GR) on a metal screen which is used to measure electrical characteristics of an electromagnetic microwave concentrator. The antenna under study has improved characteristics as compared with a similar structure without a GR: significantly higher gain at low weight and overall dimensions, circular polarization field radiation with high selectivity, electrical switching of the field rotation direction and virtually inertia-free electrical tuning of radiation frequency.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):239-244
views
ECONOMICS AND HUMANITIES
Procedure of coordinating interaction between a bank and a small enterprise
Bogatyryov V.D., Bondarchuk K.L.
Abstract

The paper presents aprocedue that allows coordinating one- level interaction between a bank and a small enterprise concerning the terms and volumes of crediting that quantitatively defines the boundaries of the compromise area and is adapted for use when entering into investment credit agreements.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):245-254
views
Models of financial interaction between investors in project financing
Bogatyryov V.D., Gorbunov D.V.
Abstract

The paper presents a complex of interconnected economic mathematical models describing material and financial flows during the collaboration of investors and the bank in project financing. The models take into account a number of common parameters, which makes it possible, with their joint usage, to implement coordinated collaboration in a one-level system.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):255-267
views
Economic-mathematical model of forming the capacity of an enterprise
Borodin A.I., Goloshchapova L.V.
Abstract

The article is devoted to the development of mathematical models of the formation and analysis of the economic potential in terms of rational (optimum) organization of the proper business entity’s economic activities.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):268-276
views
Struggle of the deputies of the first State Duma for the expansion of the legislative powers and for the elimination of the state council (april-june 1906)
Minyashev V.S.
Abstract

The paper is devoted to the struggle of the 1st convocation deputies of the State Duma of the Russian Empire for the expansion of legislative powers and for the elimination of the upper house – the State Council. The attitudes of various parties and periodicals and the opinion of leading Russian lawyers of the beginning of the XX century on the matter are presented. Peasants’ mandates to the deputies concerning the demand for the sovereign State Duma are analyzed. The attitude of certain deputy groups concerning the expansion of legislative powers of the Duma is presented. Two stages of struggle for the expansion of legislative powers and elimination of the State Council are discussed.

VESTNIK of Samara University. Aerospace and Mechanical Engineering. 2013;12(1):277-286
views

This website uses cookies

You consent to our cookies if you continue to use our website.

About Cookies