Konferencijų medžiaga / Conference Materials
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Modeling of Diesel Engine Energy Efficiency Parameters and Evaluation of Different Combustion Models
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)This publication contains results of indicated diesel engine cycle parameters modelled using mathematical modeling AVL FIRE software. Purpose of research was to evaluate different combustion model adequacy to model indicated ... -
Application of Virtual Prototype to Heavy-Duty Gearbox Housing Evaluation
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)This paper deals with application of methodology for design of gearbox and its validation by technical experiment. First, the methodology for gearbox was developed and validated on the small single-stage gearbox concept, ... -
Research on the Rotation Vibration in the Transmission with Gear Box Defects
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)The article presents theoretical research of rotation vibrations in the transmission system. Transmission with an idle consists of electrical motor, gear box and connecting shafts. In the gear box some teeth have different ... -
Innovative Technical Solutions to Improve the Cooling Efficiency of Friction Brake Elements
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)The article deals with the problem of friction brake elements cooling while braking. A significant increase in temperature on the brake elements surface dramatically reduces the friction coefficient. This negatively affects ... -
Investigation of Hydrodynamic Processes in the System – “Pipeline-Fittings”
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)The article presents theoretical and experimental researching of hydrodynamic processes in hydraulic drives of vehicles, road building and mining machines. In this work, analyze the influence of hydrodynamic processes on ... -
Preparation of Parametric Model of Underground Metro Door Force Acting on Coarse Structure
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)The article deals with the design and use of the underground metro door, taking into account the operational and normative requirements for the underground metro’s outer door. The dimensions of door gained from its previous ... -
Multibody Simulation of Rail Vehicle Running Considering Track Flexibility
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)Computer simulations are nowadays widely used tools for investigation of interaction of a rail vehicle and a track. They enable to study many important aspects influencing running properties of a rail vehicle under various ... -
Dynamic Charging of Electric Buses as a Way to Reduce Investment Risks of Urban Transport System Electrification
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)Night charging and fast charging are currently the two most common systems for charging electric buses. Despite the fact that numerous trial installations were started, neither of these two systems has obtained unqualified ... -
Research of Dynamic Processes of the System “Track – Vehicle”, When Wheel Is with 0.7 mm Metal Scale
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)The appearance of a metal scale on the wheel’s surface causes technical and maintenances problems for the rolling stock. Railway standards limit the speed of movement that depends on a certain size of metal scale. Introduced ... -
Application of New Materials During Rehabilitation of Road Structures Using Cold Recycling Technology
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)The economic attractiveness of cold recycling technology provides, first of all, the reuse of the existing material on the road for the arrangement of new pavement layers, so there is no need to equip special sites for the ... -
Evaluation of Intelligent Transportation System in Security Consideration
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)Intelligent Transportation System has been the driving forces to enable the paradigm of autonomous vehicles, smart roads and Internet of Things (IoT). For the safety and security of the traffic and transportation, stabilization ... -
Justification of Influence of the Form of Nozzle and Active Surface of Bernoulli Gripping Devices on Its Operational Characteristics
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)The advantages of application on production of radial flow gripping devices of industrial robots are justified. The mathematical model for numerical modeling of dynamics of air flow in nozzle of radial flow gripping devices ... -
Modeling of Hybrid Autonomous Vehicle Fuel Consumption
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)Autonomous vehicles role in the road mobility is increasing day by day. Their propulsion system is not yet decided, our research focuses on plug-in-hybrid vehicles that are merging the most relevant propulsion systems: the ... -
The New Simulation Approach to Tramway Safety Against Derailment Evaluation in Term of Vehicle Dynamics
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)The existing European standard EN 14363 covers all necessary tests for different railway vehicles, but it is inadequate for tram vehicles, especially in safety against a derailment examination. Its operational conditions ... -
Study of Dynamic Loads in the Wheel and Rail Contact Influence on the Maximum Adhesion Coefficient
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)A scientific method for estimating the effect of dynamic loads arising at the wheel and rail contacts during locomotive movement is proposed, which most accurately describes the behaviour of a real rolling stock and complies ... -
The Strength Simulation of a Predeformed Design of a Hatch Cover of Open Car
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)To ensure the strength of the hatch cover of a general-purpose open car under operating conditions of the load, it is proposed to sheathe with a smooth sheet, which has a convex configuration and preload. The hatch cover ... -
Improving the Dynamics of Bogies of Railway Freight Cars by the Spring Suspension Enhancement
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)The paper contains main structural disadvantages of 18-100 bogies, namely large unsprung mass, instability of characteristics, low critical velocity, intense wear and others. The experience of domestic and foreign developments, ... -
Modeling of Management Strategies for Manufacturing Technological Processes in Metro Power Supply Projects
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)At the present, metro power supply units used the production and technological potential not to its full extent. The main reasons for this situation are the lack of strategies for the effective formation and implementation ... -
Arrangement of the Continuous Welded Rail on the Curved Tracks of Short Radius
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)The jointed track design with timber sleepers is conventional for the trunk lines of Ukraine with radius less than 350 m. Such design is not rational. The fact that the big number of the rail joints is the reason why the ... -
Research of Mathematical Model of Movement of Six-Axle Locomotives with Controllable Wheelsets Installation
(Proceedings of the International Conference TRANSBALTICA XI: Transportation Science and Technology. May 2–3, 2019, Vilnius, Lithuania, 2020)Research of mathematical model of movement of six-axial locomotive with controllable wheelsets installation. Based on the general system of nonlinear variable coefficient differential equations of the vehicle movement in ...
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