54 articles in this issue
E. P. Blokhin,L. V. Ursuliak,Y. N. Romaniuk
The description of the developed computer system possibilities and its use to solve problems of motion safety and stability is given.
S. A. Kostrytsia,B. M. Tovt
In the article the results of analytical and experimental studies of the stressed-and-strained state of load-bearing elements of structure of ballast prism planner of SPZ-5/UA are presented. The analytical research is performed using the finite elem... see more
V. A. Poliakov,N. M. Khachapurydze
Factors, which complicate the situation of magnetic levitated train motion, are revealed and described. Influence of these complications on motion problems of a train is noted. The impossibility of parrying of the described collision without a radical ris... see more
N. A. Radchenko,O. V. Zvonarova,T. I. Kuznetsova
Two new shapes for ground coils of an electrodynamical transport system with plain track structure, providing stable motion of the levitating vehicle in the rectilinear and curvilinear track sections are proposed.
V. H. Solonenko,Zh. S. Musaiev,A. N. Nemasinova
The analysis of technical features and constructive advantages of cars manufactured by Spanish company «Talgo» is carried out. The analysis of operation of the high-speed rolling stock «Talgo» is carried out and the possibility of using new passenger coac... see more
V. I. Bobrovskyi,A. I. Kolesnyk,A. S. Dorosh
The method of determination of optimum parameters of connecting curves on marshalling tracks, which insure the minimum distance from the first bunch switch to the seating of park car retarders is developed. This method can be applied in designing the plan... see more
L. M. Lubenska,P. V. Kolodiazhnyi
The analysis of destruction causes of wheelset axles in service is performed. Reducing of depth of cavities of a rough surface is 3 times with a combination of the finish turning and vibration-formation processing. The effect of hardening the surface laye... see more
V. V. Myamlin,S. V. Myamlin
The algorithm of computer simulation of the flexible flow for repair of cars as a multiphase polychannel manyobject queuing system is presented. The basic operators of the model are given and their work is described.
Ye. V. Nahornyi,A. M. Okrokov,H. I. Peresta
The development of research activities related to operation of transport junctions and improvement of transport services at them for freight owners, co-operation of separate modes of transport in a junction and upgrading the quality of transpo... see more
V. M. Bezruchenko,O. A. Khoroshko
The possibilities of asynchronous traction electric motor drive are considered at the certain coupling mass taking into account the coupling restrictions. A variant of using the regulation law for electric motor drive allowing realizing traction for... see more
D. S. Bilukhin
The possibility of construction of a steady natural vibration system by introduction of successive correction link as an aperiodic link of the first-order is considered.
V. A. Bratash,T. I. Yefimova,U. Y. Povolotska
In the article the calculation formulas for determination of unloadings (finish loadings) of wheels and bendings of a spring suspension of eight-wheel electric locomotive DS3 with the traction transmission of the second kind at transmitting the traction f... see more
S. M. Holik
The value of saturation factor for traction D.C. motors, which allow promoting the accuracy of calculations based on application of universal magnetic characteristic, is offered.
U. P. Honcharov,N. V. Panasenko,V. V. Zamuruiev,V. V. Ivakhno,S. U. Krivosheyev,U. V. Chursina,M. V. Danilov,V. H. Sychenko,V. U. Ivanov
The system under consideration is the PDU contact network of high-voltage direct current from the longitudinal line at the voltage of the order of units of kHz allowing to reduce drastically the mass of power electromagnetic elements in converters and to ... see more
O. O. Karzova
The issue of determination of minimum value of triggering setpoint by the rate of increasing the current for the short-circuit proof equipment in power circuits of the electric-traction rolling stock is considered in the article.
O. S. Kuchmii,O. M. Bogutenko
In the article the grounds for the necessity of improving the existing system of technical maintenance and repair on the basis of technical diagnostic devices of contact network based on reducing the cost of repairs and introducing new ways to influ... see more
P. Ye. Mykhalichenko,M. O. Kostin
In the article three methods for determination of the wasteful losses of electric energy in a system of DC traction supply based upon the advanced mathematical techniques for analysis of electric values, which are random functions of time, are sugge... see more
T. M. Mischenko
The article is a continuation of analysis of the electric equivalent AC circuit «traction substation - device of transversal compensation - electric-traction network - electric locomotive DS 3» and the influence on a power transformer in... see more
V. H. Sychenko
In this article the aspects of model construction for exploring the electromagnetic processes in the electrictraction DC network are considered.
M. B. Kurgan,O. S. Chernyishova
Research results of losses of the railways, related to weights of cargo trains, at occurrence of traffic speed restrictions on abrupt long up-grades are presented.
K. V. Moyseyenko
The results of experimental research of influence of length of a direct insert between adjacent switches laid according to the first scheme on admissible speeds of movement of trains by criterion of switch strength and the strained-and-stressed state of s... see more
V. V. Rybkin,E. M. Bal,I. O. Bondarenko
In this article the quantitative analysis of constructions of switches is done, the indices of operating reliability of work of switches are determined and the accrued operating times of switches by the different criteria are analyzed.
D. O. Bannikov,A. E. Huslista
The usage of the Hot Spot Stress (HSS) method by means of linear surface extrapolation (LSE) approach was analyzed for the correction of results of the Finite-Element Method (FEM) in case of singularity of stresses. The given examples of structures and te... see more
N. V. Zuivska,S. A. Dvirnyk,V. E. Hubashova,U. V. Volyk
The article presents a comparison of modification of the strained-and-stressed state for the soil and in the elements of barrier structure during carrying out a deep excavation. The results are given using two different models of the soil in computation s... see more
I. I. Kyrpa,A. O. Hrynyshyn
According to the results of strength calculation of normal cross-sections of intermediate floor constructions the feasibility comparison of cost, labour capacity, consumption of concrete and reinforcement is performed with subsequent determination of the ... see more
A. V. Krasnyuk,T. V. Tatiana
The comparison of classical and computer testing system is given in the article. The effect of usage of «Prometey» remote education system is analyzed. The positive effects of passing the Module Tests by students are shown.
A. V. Nikolaichuk,I. P. Hameliak,A. S. Lytvynenko,I. V. Liakhovyi,H. V. Zhurba
In the article the issue of provision of stability of road bed on weak basis with application of geosynthetics is considered. Due to calculations of earthfill with bearing capacity, deformations and stability the substantiated application of geosynthetics... see more
Y. Y. Popudniak,T. V. Ulchenko,A. S. Shcherbak
In the article the most common methods for approximate involute of sphere are considered and analyzed. The examples and sequential performance are presented.
A. P. Prykhodko,T. M. Pavlenko,A. R. Abbasova
The technology that allows solving an actual problem of application of slag and ash in construction industry is offered. High efficiency of vacuum processing of concrete on the basis of wastes of thermal power plants that gives the opportunity to solve th... see more
M. M. Biliaiev,L. F. Dolina,O. Yu. Gunko
The 3D-numerical model to simulate the toxic gas dispersion on industrial sites and inflow of toxic gas into the industrial room after accident ejections was developed. The model is based on the K-gradient transport model and equation of potential flow. T... see more
M. M. Biliaiev,P. S. Kyrychenko
An experiment to model the mine waste waters discharge into the Black Sea was carried out. The experiment was held in the water channel. Some experimental results are presented.
I. Ya. Peresta,L. O. Yaryshkina,S. I. Muzykyna,Yu. V. Zelenko,I. L. Zhuravel
In the article the ways of improving the technology of liquidation of consequences of petroleum products losses during transportation are discussed.
K. V. Goncharov
The work is devoted to further improvement of processing algorithm of checking signals of rail line. The simulation modeling of correlation track receiver of tone rail circuits has been executed; the benchmark analysis of correlation receiver and direct a... see more
V. V. Lahuta
The problem of train traction calculations is considered as the one of resource allocation in a vector formulation. The solution is based on dynamic programming using a set of points of the optimal Pareto objective function values (energy, time).
S. E. Bielskyi,I. P. Volchok,A. A. Mitiaiev
The methods of endurance testing of aluminum alloys at high frequencies from 0.3 to 44.0 kHz are considered.
L. N. Bunina,I. P. Volchok
The manganese steels are widely used in machinery construction. The influence of chemical composition and form of non-metallic inclusions on constructive strength of manganese steels is studied. The dependences between the nature of non-metallic inclusion... see more
M. O. Kuzin,T. M. Meshcheriakova
With use of thermodynamic approaches the variant of mathematical model of mechanics of the description of parameters of fatigue strength while in service is offered. The connection of the obtained relationships with the modern criteria of durability of bo... see more
I. M. Pohreliuk,O. V. Tkachuk,Z. O. Siryk
The regularities of the forming of oxynitride layers on the surface of titanium alloys at the controlled modification of preliminarily formed nitride coatings by oxygen are determined. The dependence of the surface colouring of titanium alloys depen... see more
U. S. Proidak,A. V. Rabynovych,H. N. Trehubenko,U. A. Bublykiv,H. A. Poliakov,A. A. Katrych,A. V. Puchikov
The composition and manufacturing technology for steel rolling and casting products for the new generation wagons are developed. The level of properties of metal production meets the recommendations of the International Conference “Zheldormashinostroenie”... see more
U. H. Chabak,V. H. Yefremenko,R. R. Stanishevskyi
The data concerning the kinetics of secondary carbides precipitation and hardness of high-chromium white cast iron during destabilization are presented.
Yu. S. Barash,A. A. Pokotilov,T. Yu. Charkyna
The work is devoted to theoretical and methodological approach to determining the competitiveness of different types of passenger transport, taking into account their impact on the environment and the content of their own infrastructure
N. V. Bachal
The expediency of introduction of self-regulation as most important element of realization of the general strategy of optimization of the state intervention in economy is proved. The essence, the purposes and principles of introduction of the self-regulat... see more
N. F. Zenchuk,A. V. Zaluzhna
One of possible approaches to forecasting expenditures on maintenance and repair of motor vehicles is to determine their value in proportion to planned expenditures on fuel. The changes in operating conditions, in market prices for parts and fuel have lit... see more
A. M. Kozuberda,L. V. Pryvalova
The article is dealt with proposals for improvement of accounting in signaling and communication and the reasons for such decisions. It is offered to use new methods of calculating depreciation, change the criteria for enrollment in low-value items and si... see more
H. A. Kramarenko,A. V. Nechay,V. V. Skalozub
The possibilities of chaotic dynamics methods applied to the topical analysis and forecasting problems of economic and technological properties of wagon streams represented by the related time series are studied. The advisability of using the generalized ... see more
N. V. Myroshnyk
The forms of efficient regional organization are determined. On condition of becoming of multistructural market economy the search of optimal combination of state administration and market self-regulation is carried out. Therefore, reformation of the Ukra... see more
O. I. Milai
In the article the ways to support and provide a high level of financial security of railway transport are highlighted. Thus, the importance of the article is caused by this problem. Insufficient attention to the problem of financial security in this area... see more
O. P. Pinchuck
In the article the principles of generating tariffs for the suburban and regional passenger transportations with a possibility of determining the profitableness of a specific train are proposed.
H. Ya. Mozolevych,V. I. Titiapov,I. S. Zasukha
The new directions of urban transport development in Dnipropetrovs’k are offered. The construction of a new tram line is proposed; its route is analyzed and the technical and economic operation calculations are conducted.
I. P. Sadlovska,V. V. Sokolova
The manner and matter of construction of control system for an enterprise that wishes to get access to the market of transport services are offered.
N. V. Radionova,O. I. Kobets
In the article the issue on searching methods of use of marketing tools for resolving the railway transport development problems and functioning this branch in the market conditions is considered.
V. V. Skalozub,I. V. Klymenko
The results of research and operational forecasting the properties of economic time series derived from models of the generalized logistic map are presented.
R. B. Sokolskaia,V. D. Zelykman,E. Yu. Zakharova
The methodical approach for accounting of movement and use the low-valuable and quick-weared objects for an industrial enterprise is offered and the informative and organizational providing of controlling and planning expenses is improved.
V. A. Gorb,V. V. Smoliaska
In the article the evolution of the concept of insurance from the earliest forms to contemporary ones is shown. The development of insurance in Ukraine is demonstrated. A review of transformation of the insurance concept is presented in tabular form... see more