O. V. Fomin

O. V. Fomin
State University of Infrastructure and Technologies, Kyiv, Ukraine · Department of cars and carriage facilities

Prof. Doctor of Engineering Science
Fominaleksejviktorovic@gmail.com

About

211
Publications
20,375
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
962
Citations
Introduction
Research interest area: structural and parametric analysis and synthesis of transport engineering structures, as well as their functional and cost optimization (cost engineering). He is directly engaged in improving the technical, economic and operational indicators of the railway rolling stock in order to strengthen the position of Ukraine in the international markets of transportation and transport machine building, as well as to reduce the traffic handling cost.
Additional affiliations
November 2007 - June 2011
Ukrainian State Academy of Railway Transport
Position
  • PhD Student
Education
September 2002 - July 2007

Publications

Publications (211)
Article
Full-text available
In this study, a method for ensuring reliable and safe operation of marine trunk diesel engines is considered. The research was carried out on 5L23/30 MAN-B&W diesel engines of a Bulk Carrier class vessel. The objective of the study was to determine the effect of the structural characteristics of the oil layer (wetting angle and thickness) on the o...
Article
Full-text available
The features of the operation of the drillship-type vessels in special ecological regions of Northern Europe are considered. The main gap in the study of these systems is to determine the optimal degree of recirculation. The requirements of the International Maritime Organization for the emission of nitrogen oxides from the exhaust gases of marine...
Article
Full-text available
The authors suggest elastic elements in the body of a centre sill being the basic carrying element of the frame to decrease the dynamic loads. This solution can transform the dynamic loads on the body into the work of the dry friction forces between the components of the centre sill. The authors substantiated the solution by means of mathematic mod...
Article
Full-text available
This paper reports the improved load-bearing design of a long-wheelbase platform car for the transportation of containers. The improvement involves the construction of a special structure to accommodate fitting stops made from composite material. The design of the add-on structures provides an opportunity to reduce dynamic loads between containers...
Article
Full-text available
The work is devoted to the creation of an energy-saving microwave technology of composite materials for thermal insulation based on an inorganic polymer—liquid glass—and the establishment of the formation patterns of their structure and properties, depending on the parameters of microwave radiation. Due to volumetric heating and the mechanism of "n...
Article
In order to reduce the load of the load-bearing structure of the flat wagon during operating conditions, in particular shunting operations, the use of energy-globalizing material in its composition was suggested. This solution is implemented by creating a closed design of the backbone and the main restrained beams filled with a reinforcement with p...
Article
The article presents the results of computer simulation of the strength of the improved design of the hatch cover of the gondola. A feature of the improvement is the production of a sheet of polymer composite material, and binding - from a U-shaped profile covered with a horizontal sheet. At the same time, the cross-sectional resistance of the impr...
Article
Full-text available
This paper substantiates the modernization and commissioning of a railroad car for high-temperature, bulk/loose cargoes in order to improve the efficiency of railroad transportation. A feature of the car is the presence of an open-type boiler, which is made of heat-resistant material. To prevent splashing of transported cargo, it is possible to use...
Article
Full-text available
The study deals with determination of the dynamic loading on the frame of a tank car with closed composite center sill filled with elastic-viscous filler. It has been found that the measures for improvements can decrease the dynamic loading of the frame by 3.5 % in comparison to that of the structure without a filler. The strength calculation of th...
Article
Вступ. Сучасні турбонагнітачі суднових дизельних двигунів мають високий коефіцієнт підвищення тиску в компресорі – до 5 і вище. Вони створюють високий тиск наддувочного повітря, тим самим забезпечуючи високу питому потужність і високоефективну роботу суднового двигуна з низьким викидом оксидів вуглецю та сажі. Серед іншого, висока економічність диз...
Article
Full-text available
This paper determines the load on the load-bearing structure of a universal gondola car during the transportation of cargo with a temperature of 700 °C in it. It has been established that the maximum equivalent stresses, in this case, significantly exceed permissible ones. The maximum temperature of the cargo, at which the strength indicators of th...
Article
Full-text available
The article reflects the results from determining the vertical loading of the supporting structure of the tank car. A feature of the tank car is the presence of friction bonds implemented by means of elastic elements in the boiler supports on the frame, which helps to reduce the loading of the supporting structure and increase the fatigue strength....
Article
Full-text available
This study concerns dynamic loading on the carrying structure of a flat car with elastic-friction longitudinal beams. The authors built a mathematical model including the vertical displacements in the carrying structure of a flat car symmetrically loaded with four 1 CC containers. The mathematical model was solved with MathCad software. It was foun...
Article
This paper reports the improved load-bearing structure of a hopper car for transporting pellets and hot sinter. In order to increase the strength of the load-bearing structure of a hopper car under the influence of high temperatures from the transported cargo, the use of cladding made of composite material has been proposed. This solution also cont...
Article
Purpose. To study the feasibility of using the fillers for the gondola car bearing structure components. This makes it possible to reduce both damage to the gondola car bearing structure components during operating modes of loading and the cost of unscheduled repairs. In addition, it can improve the efficiency of railway transport operation. Method...
Article
Full-text available
The article presents the results of determining the dynamic loading of a tank wagon with malleable links between the pot and the frame. This solution will help to reduce the loading of the load-bearing structure of a tank wagon in the vertical plane. Mathematical modelling of the dynamic loading of the load-bearing structure of a tank wagon was car...
Article
Full-text available
The substantiation of use of a closed structure of the spine beam of a hopper car filled with a filler possessing viscoelastic properties is carried out. The dynamic loading of the load-bearing structure of a hopper car is determined taking into account the proposed solutions. It is established that the value of acceleration of the improved load-be...
Article
Full-text available
This paper reports a study into determining the dynamic load and strength of the bearing structure of a covered freight car under operational modes. A feature of the freight car's bearing structure is that the girder beam has a closed cross-section. To reduce the dynamic load of the frame, the girder beam is filled with a material with viscoelastic...
Article
To reduce the load on the freight cars frames under operational conditions, it has been suggested that to use fillers in their components. Fillers using is advisable in the most loaded elements of the bearing structure, namely, the spine beam. Therefore, a necessary condition for filler using in the spine beam is the creation of its closed structur...
Article
Maintaining a high level of maintenance of electrical equipment in passenger cars requires research in the field of improving methods and means of technical diagnostics. Electronic devices for automatic control and protection, which are located in the switchboard of the car, are one of the most critical elements in the electrical equipment system,...
Article
Full-text available
2020. Вип. 36 УДК 629.44 Фомін Олексій Вікторович, д.т.н., проф., (професор кафедри «Вагони та вагонне господарство», Державний університет інфраструктури та технологій, м.Київ) Горбунов Микола Іванович, д.т.н., проф., (зав. кафедри Залізничного, автомобільного транспорту та підйомнотранс-портних машин, Східноукраїнський національний університет ім...
Article
Full-text available
Sustainable development of the transport industry can be provided through the introduction of combined transport systems. And one of the most promising ones is the train ferry transport system which combines railway and marine transport facilities. The article deals with the analysis and systematization of the data on the historical development of...
Article
Full-text available
The article describes the features of determining the dynamic loading of the supporting structure of a hopper wagon having elastic elements in the center sill. This technical solution will help to reduce the dynamic loading of the hopper wagon supporting structure under the action of operational loads, and, accordingly, to increase its service life...
Article
Full-text available
The dynamic loading and strength of the frame of the “East-West” type covered wagon were determined. To increase the efficiency of operation of covered wagons in international traffic, it is proposed to improve their frames. This improvement consists in using a sectional partition in the body in order to divide it into two separate sections. This a...
Article
Full-text available
The article presents the results of determining the loads on the carrying structure of a flat wagon transported military equipment. The authors suggest that stable fixation of military equipment can be provided with special rings mounted on the flat wagon structure. The results of the strength calculation confirmed the efficiency of this solution....
Article
Purpose. To determine the basic dynamic characteristics of a standard Ukrainian boxcar with the Y25 bogie by means of the mathematic modelling of dynamic loads in the vertical plane and to compare them with the dynamic characteristics obtained for a boxcar with the 18-100 bogie. It can be used for substantiation of application of the Y25 bogie as m...
Article
Full-text available
This research deals with determination of the loading of an open container during operating modes. The special feature of this container is its convex walls. This engineering solution increases the useful capacity of a container by 8% in comparison to that of the prototype. The elastic elements in the bearing structure of a container were introduce...
Article
Full-text available
This article presents the most frequent damage in the bearing structure of a rail car during rail/sea transportation. The study includes load modes for the bearing structure of an open car such as unloading with a grab and transportation by a train ferry. It was found that the most vulnerable element of the bearing structure of an open car during u...
Article
Full-text available
This paper reports determining the basic strength indicators for the removable roof of a railroad gondola. It has been established that the typical roof design has a significant margin of safety in the components of the supporting structure. In order to reduce the roof material intensity, the reserves of its strength have been determined and optimi...
Article
Full-text available
An articulated covered wagon design was developed. The wagon feature is that the body-bearing elements are made of circular pipes. This technical solution made it possible to reduce the tare weight of the wagon while ensuring the strength conditions. Mathematical simulation of the dynamic loading of the developed articulated covered wagon design wa...
Article
Full-text available
The strength for a flexible shell of a vehicle pneumatic spring during movement relative to a rail track has been studied in the paper. The calculation has been carried out using the finite element method implemented in the SolidWorks software environment. For this purpose, 3D drawings of a balloon-type pneumatic spring have been reproduced. A spec...
Article
Full-text available
This paper substantiates the use of Y25 bogies under tank cars in order to prolong their service life. The reported study has been carried out for a tank car with rated parameters, as well as the actual ones, registered during full-scale research. Mathematical modeling was performed to determine the basic indicators of the tank car dynamics. The di...
Article
Traffic safety is an essential requirement for railways. In order to ensure uninterrupted transportation of passengers and goods by rail by the enterprise of JSC "Ukrainian Railways", the task of ensuring the operation of rolling stock outside the assigned line of service remains urgent. Proceeding from this, it follows that it is necessary to carr...
Article
The publication proposes a monitoring technology for production automation based on automatic identification technologies, which will allow real-time monitoring of the progress of technological processes, ensure interdepartmental logistics, as well as perform access and identification security functions in production. On the example of one of the c...
Article
The dynamic loading of the load-bearing structure of the articulated platform car made of round pipes loaded with tank containers was determined. The research was conducted by mathematical modeling. The solution of the equations of motion is carried out in the MathCad software package. It is established that under the influence of a longitudinal fo...
Article
Currently, a significant number of units of specialized cars of 1520 mm gauge in Ukraine has a service life that exceeds that assigned by the manufacturer. At the same time, many years of experience in diagnosing and analyzing the operation of carts of these cars by specialized organizations, shows that their technical condition after long operatio...
Article
Full-text available
The research is concerned with the use of double walls filled with aluminium foam for an open wagon in order to decrease the dynamic stresses during the operational modes. The research presents the strength calculation for the bearing structure of an open wagon with consideration of the engineering solutions proposed. It was found that the maximum...
Article
Full-text available
A study of the dynamic loading of the carrying structure of a tank wagon during transportation on a railway ferry was carried out. The studies were carried out with the angular displacements of the railway ferry around the longitudinal axis (lurch), as the case of the highest load on the carrying structure of the tank wagon. It was found that the a...
Article
Full-text available
The article presents the results of determining the dynamic load of the load-bearing structure of the tank container placed on a roll-trailer during transportation by railway ferry. For this purpose, a mathematical model was developed, which takes into account the dynamic loading of the tank container during angular displacements of the railway fer...
Article
Purpose. The work aims to investigate dynamic loading of the supporting structure of a gondola car with an elastic-viscous filler in the center sill by means of mathematical modeling. Methodology. Mathematical modeling of the dynamic loading of the supporting structure of a gondola car with a closed center sill filled with a filler with elastic-vis...
Article
Full-text available
This research is concerned with the use of double walls filled with foam aluminum for an open wagon to decrease loading during operational modes. The research presents the strength calculation for the frame of a wagon with a consideration of the engineering solutions proposed. It was found that the maximum equivalent stresses appeared in the bottom...
Article
Full-text available
The study deals with determination of the vertical load on the carrying structure of a flat wagon on the 18–100 and Y25 bogies using mathematic modelling. The study was made for an empty wagon passing over a joint irregularity. The authors calculated the carrying structure of a flat wagon with the designed parameters and the actual features recorde...
Article
Full-text available
Вступ. Транспортна галузь є невід’ємною частиною розвитку національної економіки країни. Для забезпечення її безперебійного функціонування особлива ува- га має приділятися технічній забезпеченості залізничного парку. Тому важливим є впровадження заходів, які сприятимуть покращенню експлуатації рухомого складу. Мета. Обґрунтування впровадження пружн...
Article
Full-text available
The study deals with an application of aluminum foam as an energy-absorbing material for the carrying structure of a rail car. The material is particularly recommended for circular tube carrying structures. The authors conducted mathematical modeling of dynamic loads on the carrying structure of an open wagon that faces shunting impacts with consid...
Article
Full-text available
To increase the efficiency of using railway transport, the possibility of using new designs of bogies, for example, Y25 under "wide gauge" wagons was considered. In order to substantiate the proposed solution, mathematical modeling of the dynamic loading of the hopper wagon Y25 bogies was carried out. A hopper wagon for the transportation of pellet...
Article
Full-text available
This article deals with the method of computer-aided studies of the results of tank container impact tests to confirm the ability of portable tanks and multi-element gas containers to withstand the impact in the longitudinal direction on a specially equipped test rig or using a railway flat car by impacting a flat car with a striking car, in compli...
Article
Full-text available
The article presents the acoustic method of marine low-speed engine turbocharger parameter estimation under operating conditions when a prompt assessment of instantaneous turbocharger speed and rotor vibration level is required. The method lies in the analysis of the acoustic signal that is generated by the compressor of the turbocharger with the d...
Article
Full-text available
The object of research is the supporting structure of the pellet wagon with the actual dimensions of the supporting elements. One of the most problematic areas is the determination of the indicators of dynamics and strength of the supporting structure of the hopper wagon with the actual dimensions of the structural elements. A study of the dynamic...
Article
Full-text available
This paper reports a study into the dynamic loading and strength of an improved carrying structure of the platform car. A special feature of the car is the presence of elastic elements in the main longitudinal beams of the frame. This could improve the fatigue strength of the carrying structure of the platform car under operational modes. Mathemat...
Article
Purpose. This study is aimed at determining the vertical dynamics of supporting structures of freight cars made of round pipes. Methodology. Mathematical modeling of the dynamic loading of the supporting structures of the main types of freight cars made of round pipes (gondola car, covered car, flat car, hopper car) was carried out. The studies wer...
Article
Full-text available
A study of the supporting structure dynamic loading of a covered wagon for the military equipment transportation and for firing has been carried out. A mathematical model has been drawn for this purpose, taking into account the vertical and angular displacements relative to the longitudinal axis (side rolling) of the wagon supporting structure when...
Article
Full-text available
The article determines the residual resource of flat wagons load-bearing structures with a 25-year service life. For this purpose, field studies of the technical condition of the load-bearing structures of flat wagons based on the wagon depot of the Foundation of the Southern Railway branch of JSC "Ukrzaliznytsia" were carried out. The flat wagon o...
Article
Full-text available
У роботі викладені дослідження показників якості руху вагонів-хоперів переобладнаних з цементовоза та мінераловоза після тривалої експлуатації. В рамках роботи було проведено теоретичне та експериментальне дослідження (на основі проведення ходових динамічних випробувань) ходових якостей порожніх вагонів-хоперів, що переобладнані з цементовозів і мі...
Book
Full-text available
2020. Вип. 36 УДК 621.869.888.2: 629.541.22 Ловська Альона, к.т.н., доцент (доцент кафедри вагонів, Український державний університет залізничного транспорту) Фомін Олексій, д.т.н., професор (професор кафедри Вагони та вагонне господарство, Державний університет інфраструктури та технологій) Скуріхін Дмитро, к.т.н., доцент (доцент кафедри вагонів,...
Article
Full-text available
2020. Bun. 35 35 УДК 629.463.62 Олексій Фомін, д.т.н., професор (професор кафедри Вагони та вагонне господарство, Державний університет інфраструктури та технологій) Альона Ловська, к.т.н., доцент (доцент кафедри вагонів, Український державний університет залізничного транспорту) ДОСЛІДЖЕННЯ ДИНАМІКИ УДОСКОНАЛЕНОЇ НЕСУЧОЇ КОНСТРУКЦІЇ ВАГОНА-ПЛАТФОР...
Article
Full-text available
The determination of the dynamic loading of the bearing structures of the main types of freight wagons with the actual dimensions under the main operating conditions is carried out. The inertial coefficients of the bearing structures of the wagons are determined by constructing their spatial models in the SolidWorks software package. Two cases of l...
Article
Full-text available
At the present stage of development of the railway industry it is necessary to introduce new innovative solutions during the design of the flat wagons of articulated type for their structural design. To reduce the material consumption of flat wagons, in article was proposed to produce bearing elements of their structures from pipes of a circular cr...