59 articles in this issue
V. I. Gavryliuk,V. V. Bezrukov,R. V. Rybalka
On the basis of the developed imitating model and the carried out modeling it is shown, that using developed method allow to receive sufficient for practical use accuracy of system characteristics measurements of automatics and communication lines.
V. I. Gavryliuk,V. I. Profatylov
The method of definition of a relay anchor situation on inductance of a winding of the relay is offered in the given paper. The method is based, that the working air backlash decrees at the switching on a relay. It follows to the increase of winding induc... see more
T. M. Serdiuk,V. I. Gavryliuk
The mathematic model, which is allowed us to give a scientific substantiation to the automated method of definition of parameters of a rail circuit on electro-motive force in locomotive coils proportional to a current in rails, was elaborated. The hardwar... see more
D. Wójcik
The rapid diffusion of wireless telecommunications has focused attention on potential risks for human health due to the exposure to electromagnetic (EM) fields. In context of cellular telephony the problem should be considered in two different aspects: po... see more
M. M. Biliaiev,P. B. Mashyhina,M. K. Tretiak
The method to calculate the thermo pollution and damage of people when the fire ball was burning was developed. The method is based on numerical integration of 3D equation of energy. The results of numerical experiments are presented.
M. M. Biliaiev,O. P. Shakina,O. Yu. Shmihel
The 3D numerical model to simulate the toxic gas dispersion during phosphor firing.The model is based on the K-gradient transport model. The results of numerical experiment are presented.
Ye. Yu. Gunko
The 3D model to simulate the pollutant transfer near building after accidents was developed. The model is based on the transport gradient model and the model of invisid imcompressible fluid. The results of numerical experiments are presented.
Yu. V. Zelenko,R. H. Haponova,T. M. Pustovarova,M. V. Belonozhko
The analysis of accumulation of heavy metals and their industrial concentrates in soils, water and plants is spent within the limits of sanitary zones of the large industrial plants ofDnepropetrovsk. The estimation to ecological conditions in residential ... see more
I. V. Kalashnikov
A numerical model to calculate the process of ground waters protection from pollution with the use of neutralizator has been proposed. The model is based on the 2-D equations of filtration and admixture transfer. Results of numerical experiment ... see more
V. M. Bezruchenko,A. V. Shapovalov
Influence of the change air clearance under additional pole on position of the centerline of the area of without sparks work are shown in article. The way of the forecasting of the position to centerline of the zone ??????????? work depending on deflectio... see more
V. O. Dzenzerskyi,S. V. Burylov,V. Yu. Skosar,Yu. I. Skosar,Ye. V. Anikeiev,M. O. Neznanov
We have developed the technology of the continuous manufacturing of leads for lead-acid batteries. The said technology allows increasing the corrosion resistance, the mechanical strenght of leads and the lifetime of batteries.
V. H. Kuznetsov,O. M. Poliakh
The authors determined the factors, which have impact on durability of contakt lines racks. The numeric characteristics of thicknesses of concrete racks are counted.
A. M. Muha
Analysis of the influence of the type of the traction engine is organized In article on power of the traction steady-state converter. The Incorporated notion module traction converter and are received main quantitative correlations for traction converters... see more
I. P. Korzhenevych
The opportunity of increase of speed of trains is considered due to a reorganization of the plan in borders of an existing earthbed.
D. M. Kurhan,I. O. Bondarenko
The criterion of an estimation influence a rolling stock on a track which results in the end of a resource the basis under rails and necessities of replacement the top structure in view of a condition of a way and structure of a stream of trains on a site... see more
M. B. Kurgan,O. S. Markova
The technique and results of researches of efficiency of elimination of speed limitations of train movements are explained
V. I. Bobrovskkyi,I. Ya. Skovron
There was suggested the simulating model of the multi-group trains make up process. This model can be recommended for operative control of the station operation. This model allows to find the optimal method and scheme of the making up the specific train, ... see more
A. A. Bosov,H. M. Kodola
The numerical example of the vector-optimization problem decision for a definition rational passenger train composition with the help of a parametrization method ?????? of the decision is considered.
V. H. Kuznetsov,O. O. Erofeiev
The problem of definition of the settlement periods of planning for various conditions trains makeup is put. The factors influencing durations of the period of planning are established. The design procedure of range trains makeup and the period of the int... see more
V. V. Laguta
The error of the decision of the first boundery problem for the ordinary differential equation of the second order with a nonlinear right part is defined. The second derivative of defined function is approximated by a linear spline.
O. M. Lisohurskyi
In article modern problems in the field of development of technical plans of work of road and its structural divisions are considered. The analysis of existing methods of planning and their lacks is resulted at the organization of transportations in moder... see more
T. F. Mykhailova,O. V. Piskunova
An econometric model for forecasting volumes of tax returns and estimating risk of not being completed plan indices have been proposed.
N. I. Poslaiko
A queuing system with unlimited line and unreliable service devices is considered. A computational technique of probabilities of stats of the system has been proposed.
O. S. Raspopov
The possibilities of applying logical machine, the method of initial parameters and associated matrixes into spatial vibration analysis of rod and beam constructions with continues parameters have been researched.
V. V. Skalozub,L. O. Panik
The analysis of streams is executed when units of stream have individual characteristics (heterogeneity) in the represented article.
O. I. Kharchenko
There is an example of the linear mathematical models construction of the railway traffic management.
Gintautas Bureika
The analysis of failures of the locomotive’s units and parts is presented. The reliability indicators of these parts were determined according to the locomotive run. Numerical and distribution functions describing mileage (run) of the locomotives between ... see more
I. Ye. Batiushkin,O. M. Bondariev,V. L. Gorobets,O. M. Zabolotnyi,D. O. Yagoda
Article is devoted to the results of dynamic tests, tests on the line and tests for durability of electric locomotive ?S4 with bogies frames produced by HK «Luganskteplovoz». The received results of tests have shown, that the modernized electric locomotiv... see more
O. O. Buriak,V. O. Dzenzerskyi,E. O. Zeldina
Based on the energy model for researching the processes of self-stabilization of the electrodynamics levitation systems, the authors studied the impact of the magnetic flux separation in the on-board magnet, as well as in the electrical buffer, rigidly bo... see more
V. S. Kossov,V. M. Ohuienko,V. V. Ohuienko
The phenomenon found out recently gigacycle fatigue, connected with destruction of materials at loadings of a smaller limit of endurance and at more than 108 cycles regime, directly concerns traffic safety. For an estimation of a residual resource and dec... see more
O. B. Kuzmin,V. S. Kossov,O. L. Protopopov,M. F. Krasiukov,B. B. Bunin,E. S. Ohanian
One of the most frequent failures of the coupling mechanism ??-3 is the coupler body damage. In this article the investigation of the stress-strain state of the coupling mechanism under service loads is fulfilled, the areas are detected were formation and... see more
L. M. Loboiko,Yu. S. Barash
In-process real the analysis of park of passenger carriages and base for repair of carriages is represented. Power of separate carhouses and required program of repair of Ukrzaliznitcja is represented.
V. O. Poliakov,N. M. Khachapuridze
The expediency of dynamic systems motion models realization paradigm shift aside of their return problem decision is proved. The specified paradigm is developed for magnetic levitated train motion model.
Influence of the change air clearance under additional pole on position of the centerline of the area of without sparks work are shown in article. The way of the forecasting of the position to centerline of the zone sparklesswork depending on de... see more
Yu. Ya. Vodianikov,Ye. H. Makeieva,O. M. Safronov
Results of design researches of brake efficiency of the freight cars with an axial load 25 fon-force with various values of tare weight and a skid margin are cited. Nomographs for choice a gear ratio at change of a skid margin from 0 % up to 10 % are buil... see more
A. V. Donchenko,M. V. Trotskyi,A. H. Krupa,Yu. V. Domin
Preconditions and the approaches which form the base technical requirements for the creation of the rolling stock for nonoverloading transportation in the communication «the East – the West» are stated in the article. Being based on the normative base act... see more
I. Yu. Levytskyi
There has been executed analysis of dynamics of the car flows which cross the boundary transitions points of the Odessarailway. There also have been offered the measures directed towards the development of its transit potential.
I. A. Orlovskyi,O. M. Kuleshov
The model with the account elasticizes between carriages of the distributed asynchronous drive with vector control systems of a diesel engine - train ???-02 is made. The control system of the distributed drive of the diesel engine - train with blocks of t... see more
V. R. Raspopin,O. V. Shapoval,L. Yu. Snitko,H. S. Ihnatov,V. T. Vyslohuzov
The question of electromagnetic compatibility with signaling and communication devices of the electric equipment of domestic production coaches is surveyed; the problems rising before domestic rail car manufacturer in connection with providing of accompli... see more
S. V. Shmakov,S. D. Rechkalov
The modern cars passenger compartments have the blank windows; there is no also natural ventilation in compartment. In these conditions, the role of qualitative and reliable work of cars ventilation grows during the time operation. In article new approach... see more
O. H. Kyslov,S. O. Buhaievskyi,S. O. Chuhuienko
The basic stages of bridge structure repairing and equipment necessary for the given works have been considered in this article.
O. M. Pshinko,O. V. Krasniuk,L. S. Savin,V. V. Palii
In article is brought analysis factor influencing upon toughness of the traction polymeric composition with concrete. The Described mechanism of the traction polymeric composition with concrete and level on traction different factor.
Yu. L. Savin,O. P. Prykhodko,L. S. Savin,M. M. Skrypchenko
Main aspects firm ecological-economic development of the region is described in article. Brought main ecological problems, reasons of their origin. Stated possible ways of the decision existing ecological problems of the region.
B. V. Savchynskyi
The basic criteria of an estimation of reliability and durability of ferro-concrete road bridges are generalized. Recommendations for increase of reliability and durability of ferro-concrete road bridges are offered.
B. D. Sukhorukov
The accuracy estimation for new experimental method of calculation for determine transverse placing coefficients for normative road loads on the bridges was made.
O. F. Tatarinov
The basis of calculation of flexibility of steel-concrete building elements is offered on the example of archs of continual cross-section. The numerical calculations, confirming the necessity of calculation of flexibility characteristics while calculating... see more
I. O. Vakulenko,M. A. Hryshchenko,O. M. Perkov
The observed questions of estimate stress intensity coefficient, strength of fatique and toughness behavior is considered to be result of a directional variation in the grain size of austenite and size of ferrite pearlite in carbon steel.
The causes of directionaty of the yield point, stress of microyielding, and Chernov–Luders deformation in lowcarbon steel have been investigated. The observed of Chernov–Luders deformation be haviour is considered to be the result of a directional variati... see more
Cleavage crack formation is a process nucleation caused by the high local stress produced by inhomogeneous elastic-plastic deformation followed by cycles change of temperature in tyre.
S. V. Vasyliuk
Work is devoted to development of social partnership at production level that stabilizations socially of labour relations on the enterprise. Attention is accented on that for dynamic development of social partnership a human capital is a base.
V. A. Hertsyk
The author considers the principal methods, both qualitative and quantitative ones, as well as simulation in forecasting product sales. The author suggests a system simulation method, which will enable to obtain indexes complementing each other and will e... see more
O. M. Gnennyi
In the article substantiated necessity to determine functional depreciation of railroad cars in the correlation with locomotives. The functional depreciation determine comparison net present value of the cash flows from using of the appraisal object and f... see more
V. O. Hordienko
Recommendations on the use of the most widespread methods of distributing of collective earnings between the members of production brigades in the conditions of metallurgical enterprises are developed.
O. O. Kovtun
Educational activity is the most specific industry of national economy which the distinguishing features are characteristic for. Consequently, for the analysis of financial activity of state higher educational establishment it is necessary to use the meth... see more
M. B. Kurgan,I. P. Korzhenevych,?. S. Barash,M. I. Verkhohliadova
This article is dedicated to the determination of transportation intensity influence on deterioration of infrastructure by the analysis of railways functioning inUkraine.
H. I. Muzykina,P. V. Beh,T. V. Bolvanovska
This article tackles the problem of necessity of the applying the marketing principles in the management activity. There were defined the main advantages and disadvantages the utilization of the middle-tonnage containers. The aspects of the existing tarif... see more
V. I. Romanko,I. V. Malyshko
The article is considered the productivity of labor in economy of electrification and of electrosupply of Ukrainian railway, it’s methods of estimation and analysis for 2001-2006.
T. R. Solopenko
The questions of economic ground of administrative decisions are affected, related from by the Marketing management of aviation enterprise, methods are examined economic of administrative decisions, and utilizinga mathematical design for constructions of ... see more
N. M. Chyhasova
The value of air-port is considered as parts of the aviation transporting system. The analysis of structures of management by air-ports is executed. Macroeconomic indexes influencing on air transportations are adopted.