50 articles in this issue
V. G. Anofriev,A. A. Donev,A. S. Matsuk,S. N. Obernyak
All parts of a car frame and body are subject to a variable degree to corrosion deterioration but their most problematic part is a body bolster. The work on technical diagnosing of cars, operated more than 22 years, has given the chance to gain an impress... see more
N. Ya. Garkavi,Ye. F. Fedorov,V. V. Karpenko,O. M. Zabolotnyi,I. V. ?limenko,O. N. Litvinenko
The article is devoted to three issues. 1. In the normative literature about fitting of the rolling stock into the clearance diagrams, there are the mistakes and the expressions what are difficult to be understood. 2. During running test of the rolling st... see more
V. V. Myamlin
Different factors, which affect on change of repair work`s time of open cars in depot, that make impossible using of existent method of flow line repair, are researched. The following conclusion are done: car`s repair flow is difficult man-machine-car sys... see more
S. V. Myamlin,V. L. Gor?bets,A. N. Bondarev,I. Ye. Skogarev,Ye. A. Pismennyy
In the article the analysis of results of comparative tests on determination of endurance limit of the material in semi-treated axles produced by different technologies is carried out and the conclusions on prospects and stability of new manufacturing tec... see more
I. Yu. Khomenko
The possibility of the traction capacity increase of the belt drive TRK is examined. This was done for the purpose of air conditioning system of passenger car with double-generator system energy supplying. Belts XPC (made by the German firm «Continental C... see more
V. V. ?rtemchuk,N. A. Mukhina
The paper discusses the factors affecting the reliability of the welding process. Results of the analysis causes the appearance of defects and deviations from the specified mechanical properties. It is shown that one of the important factors affecting the... see more
B. Ye. Bodnar,O. B. Ochkasov,O. Ya. Detsyura,D. V. Chernyayev
Methods of nonseparable diagnostics of diesel engine and an analysis of method for diagnostics on uneven angular speed of the crankshaft are reviewed.
D. M. Kozachenko,I. Yu. Levitskyy,T. V. Bolvanovska
In this paper the influence of rate of breaking up of train sets on conditions of uncoupling the train cuts and the number of cars, which need repeated marshalling due to their non-separation on hump switches, is investigated. A computation procedure for ... see more
A. Ya. Kulichenko,A. R. Milyanych
To determine the conditions of destructing isotropic materials under triaxial stress state more criteria are proposed and it is suggested that for determining the conditions of destructing orthotropic materials the distortion energy can be used.
A. M. Afanasov,A. I. Kyiko,S. V. Arpul’
Analysis of influencing of terms of coupling on the factor of wear of combs of the wheel pairs of locomotives
D. S. Belukhin
The faultless operation time of modern electronic voltage regulator for low-voltage chains is determined. A comparative analysis with model regulators is executed.
P. Ye. Mykhalichenko
In the article the results, namely oscillograms of the transitional feeder electric values obtained by the experimental tests of the short circuit modes in case of setting off different types of substation fast-acting switches are presented. The experimen... see more
T. M. Mishchenko
A new method for parameters identification of devices of the electric traction systems is offered. The numerical calculations of time and current dependences of equivalent parameters of two-terminal networks, which equivalent circuit looks as parallel con... see more
Y. B. Napara,S. A. Plitchenko
Made by the method of calculation of the absolute values of the authors of the slip, which provide the desired engine torque at various laws regulating the voltage. The analysis of the results.
A. V. Petrov,O. I. Sablin
The results of studies that compare and analyze the numerical values of some key indicators quality electricity in the lines of the external power supply system the electric traction DC. As a supplement are additional and fundamental values of energy loss... see more
V. G. Sychenko,O. M. Polyakh,G. O. Tatarchenko
The influence of different water-repellent rendering compounds for steel concrete supports of a contact network on change of their electric resistance and water absorption is under study. It is shown that the domestic production "Silol" has the best param... see more
A. A. Bosov,M. B. Kurhan,D. M. Kurhan,S. Y. Baydak
The technique which allows to receive at level of engineering calculations preliminary results of economic efficiency from elimination of restrictions for speed movement of trains is resulted.
I. P. Korzhenevich,M. B. Kurgan,N. P. Khmelevs’ka
The greatest number of restrictions is related to the parameters and condition of curvilinear track sections. The technique for determination of cost of reorganization of curves at introduction of high-speed traffic for difficult sections of the track pla... see more
K. V. Moyseyenko,O. V. Shatunov
Results of an experimental research of influence of length of a direct insert between adjacent switches, laid according to the second scheme, on traffic safety of cars (by a criterion of derailment resistance).
A. M. Orlovs’kyi,K. L. Kalenyk,V. V. Kovalchuk
In the paper the effect of longitudinal profile of rigid frogs of type R65 mark 1/11 on reinforced concrete sleepers on the interaction in the ‘wheel-rail’ system in the zone of rolling surface irregularities is investigated.
Ye. M. Frishman,M. I. Umanov
In the article an analysis of interrelation of vertical and lateral interaction forces acting in the magnetic suspension system having permanent magnets of rectangular cross section with the constant (throughout the magnet volume) value of magnetization v... see more
N. V. Savitskiy,P. A. Pshin’ko,A. N. Zinkevich
The article presents the results of probabilistic calculation of railroad reinforced-concrete ties SB3-0, SB3-1 and their reliability characteristics.
S. A. Gryaznova,N. V. Khvorost
Analysis of the emergency operation modes of tunnel ventilation systems used in subways has shown that these modes do not provide the steady gas-air flows in case of fire in the rolling stock and its stop in the tunnel; and there is no methodological supp... see more
V. V. Kovalenko
We studied the stages of structure formation in modified concretes, the impact of technological peculiarities of production on the morphology of the structural components of cement crystal hydrate, are shown ways to develop new formulations of concrete wi... see more
V. D. Petrenko,A. M. M. Alkhdour,A. L. Tiut’kin,V. V. Kovalevich
The article presents the results of analysis of the strained-and-stressed state for subgrade during its modernization.
O. M. Pshinko,I. V. Sal’nikova
The authors have considered an important issue, i.e. determining the degree of defectiveness and creating the maintenance schedule for the artificial structures to keep them in safe conditions during the exploitation. The main goal is to minimize the impa... see more
U. Z. Shermukhamedov,I. O. Kuznetsova
The analysis of reactionary ability and fractional composition of large fillers for production of ferroconcrete cross ties is carried out in the article.
E. L. Matveyeva,D. A. Demyanko,I. A. Ogdans’ka
The methods of cleaning water from oil and petroleum products. Submitted comparative characteristics of sorbents to eliminate oil polluted. The necessity of using an oil sorbent "Ekolan" that can effectively and quickly remove the effects of oil spills an... see more
V. A. Gabrinets,E. V. Hristyan,I. V. Tytarenko
The article presents a rationale for the further introduction of heat pump and thermal storage technology in the heating systems at the facilities of railway transport. Shown significant advantages of this technique over existing systems, primarily due to... see more
K. V. Goncharov
In paper the various methods for suppressing pulse interference have been analyzed, the features of their application in the track receivers of tone rail circuits have been investigated. Simulation results showed a high noise immunity of the system «broad... see more
V. N. Pakhomov?,T. I. Skaballanovich,D. A. Lyakhov
One of possible variants of association of networks of different technologies is presented with the use of concentrators and switchboards 100VG-?nyLAN at the level of linear enterprises of railway transport of Ukraine. The corresponding simulation model o... see more
D. O. Polishchuk
In this paper the method for evaluation of Ukrainian railway equipment condition is proposed. The method is based on multiparametric analysis of system’s elements with further aggregation to conclusion of system’s functional quality. Software, developed f... see more
O. I. Pochechun
The article highlights a problem concerning the ways of evaluation of financial security and its level on the railway transport enterprises. The relevance of this article is caused by this problem. Insufficient attention paid to the problems on the develo... see more
A. Sladkowski
The article deals with the problems related to parallelize of computational processes for solving problems connected with the thermal stress by the finite element method. As an example, here considered the problem of heat generation in the contact zone of... see more
O. Yu. Bereza,O. V. Bereza
This article is devoted to the investigation of phase composition and microstructure of the higher cooled aluminum-germanium alloys. The formation of non-equilibrium germanium solid solutions is shown. The influence of the rate of cooling and the germaniu... see more
L. I. Vakulenko,Yu. L. Nadezhdin
The observed questions of estimate influence content of carbon in steel on the formation defects on the surface rail wheels at exploitation.
I. A. Vakulenko,S. A. Plitchenko,Y. L. Nadegdin
This paper presents experimental data on the effect of mode of friction stir welding of aluminum alloy on the distribution of hardness over the cross section of the weld.
Yu. S. Barash,T. Yu. Charkina,Yu. P. Melyantsova,E. A. Karas’
The work is devoted to development of principles of determination of of operation efficiency of concrete group of suburban passenger trains in the set direction of traffic taking into account an unrecorded passenger turnover from incomplete payment of exp... see more
N. V. Gritsenko
At present the reform of railway transport of Ukraine is one of important issues in the state. This paper examined trends in the way of reform of rail transport in recent years. The major stages of reform, which were adopted on legislative changes, are co... see more
O. S. Gulay
In the article the variant of reforming of system of granting of privileges on a railway transport by principle of indemnification of guarantees only to the most unprotected, in the social sense, population is offered.
Yu. V. Elagin
A world economy ran into the problem of limit nature of practically all types of resources that results lately not only in the slump of the economy growing but also to the origin of global ecological and social problems. One of the most perspective ways o... see more
V. I. Kopytko
The trends of the transport infrastructure development as a basic factor of national security, the stable and dynamic economic growth, its integration into the European and world economic space are considered. The most important element of the transport i... see more
M. I. Mishchenko
The transport infrastructure of railways of the countries of EU-27 in the conditions of functioning new organizational-economic mechanism, and also dynamics of level of competitiveness of a railway transportation as result of reforming of railways of the ... see more
K. V. Nalivaychenko
The article considers modern processes of informatization of activity for business companies. There are generalized the makes of world companies, which create information technologies in global information environment: the electronic information product c... see more
O. M. Pshinko,V. V. Myamlin,S. V. Myamlin
Some particular basics of fundamentally new economic management model based upon "The theory of high efficient national economy" are shown. The model is non-inflationary and anti-crisis. As a matter of fact, the model has clear social purpose but at the s... see more
N. P. Snachov,M. V. Korchakovskaya,I. N. Lomtieva
The importances of the historical cost indicate a memo public reporting and cost accounting of primitive society. Knowledge of the costs originates from the theory of value. Foundations of modern vision expenses were laid out in the XIX th century. Increa... see more
I. P. Sadlovs’ka
In the article an influence of economic, social and other results on formation of effective system of strategic planning of development of transport infrastructure in Ukraine is defined.
N. V. Radionova,O. I. Kobets’
The article considers issues on searching the methods of using marketing instruments for solving the railway transport development problems and functioning this branch in the market conditions.
A. D. Shemet
The article deals with main forms of e-commerce and its place in the digital economy, gives the characteristic of each. An analysis of research scientists on this issue and proposed the general scheme of the relationship of these forms. The structure of t... see more
O. N. Gnennyi
The problems of short-, medium- and long-term forecasting price dynamics are considered. The improvement of short-term forecasting techniques based on exponential smoothing is proposed. A modified autoregressive model of the first-order differences for th... see more