Comparative analysis of diesel, gas-diesel and gas modifications of truck tractor for mainline cargo transportation

THE EVALUATION OF TRANSIT TRANSPORT PROBABLE EFFECTS ON THE DEVELOPMENT OF COUNTRY'S ECONOMY

Transport ◽

10.3846/16484142.2006.9638055 ◽

2006 ◽

Vol 21 (2) ◽

pp. 135-140 ◽

Cited By ~ 10

Author(s):

Michail Litvinenko ◽

Ramūnas Palšaitis

Keyword(s):

Comparative Analysis ◽

Scientific Research ◽

Economic Importance ◽

Performance Modelling ◽

Cargo Transportation

The article describes the peculiarities of transit transport influence on the development of country's economy. The authors analyze transit transport definition and define the economic importance of transit transport. The first part of the article is assigned to the consideration of transit cargo transportation as an integral object of scientific research. The survey is supported with the comparative analysis of different scientists’ approaches to the transit transportation performance modelling. The evaluation of transit transport benefit for the economy of the country is presented. The concise summary of a principal thesis and conclusions may be useful for further analyses of different aspects or transit transport.

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Calculation of solid-state cargo fastener under the influence of longitudinal forces

E3S Web of Conferences ◽

10.1051/e3sconf/202015701016 ◽

2020 ◽

Vol 157 ◽

pp. 01016 ◽

Cited By ~ 1

Author(s):

Yadgor Ruzmetov ◽

Oksana Molchanova ◽

Jamol Shihnazarov

Keyword(s):

Comparative Analysis ◽

Solid State ◽

Calculation Method ◽

Longitudinal Force ◽

The Other ◽

Calculation Methods ◽

Railway Industry ◽

Cargo Transportation ◽

Inertia Forces ◽

Elastic Elements

Cargo securing on a railway platform, elastic and retention fasteners, longitudinal transport force of inertia, forces in elastic fastenings. Purpose: The paper presents the calculation of the longitudinal transport force of inertia; determines the longitudinal force perceived by the elastic elements of the cargo securing; determines the reactions of retention bars depending on the number of bars and fasteners (nail); calculates the sum of all holding forces; calculates the forces in the elastic fasteners when exposed to longitudinal forces. Research methods: To determine the forces in the cargo securing devices, existing calculation methods are used. Moreover, the formulas of these techniques are presented in a form convenient for calculation. Main results: The paper proves that according to the existing method, the force in all elastic cargo fasteners under the influence of longitudinal forces has the same value, regardless of the different arrangement of the geometric parameters of the fasteners in space. The forces in them are more than 1.6 times higher than the permissible values. The calculations of forces in the elastic fasteners, which are performed by the specified method, are given. The results of the comparative analysis showed that the forces in all wire fasteners, in contrast to the existing calculation method, have different values. However, the strength of the second pair of wire fasteners of both one and the other direction is not ensured - the force in them more than two times exceeds the permissible value (61/24.8≈2.5), which will result in their destruction during the cargo transportation. Conclusions and their significance for the industry: Existing calculation methods do not provide guarantee strength of cargo fasteners. In the future, to calculate the fastening of cargo by shippers in the railway industry, a new calculation procedure should be applied for the allocation and fastening of cargo on the car.

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PROSPECTS FOR THE DEVELOPMENT OF THE NORTHERN SEA ROUTE. NORTHERN SEA TRANSIT CORRIDOR

the System analysis and logistics ◽

10.31799/2077-5687-2021-1-44-48 ◽

2021 ◽

Vol 1 (27) ◽

pp. 44-48

Author(s):

М. А. Tregub ◽

◽

К. А. Iaroshenko-Sokolovskaia ◽

Keyword(s):

Comparative Analysis ◽

Maritime Transport ◽

Competitive Advantages ◽

Advantages And Disadvantages ◽

Northern Sea Route ◽

Cargo Transportation ◽

Economic Risks

The article presents a comparative analysis of international maritime transport routes – the Northern Sea Route (NSR) and the Southern Sea Route (SMP). The article analyzes the competitive advantages and disadvantages of the Northern Sea Route in comparison with the Southern Sea Route. Based on the study of the main logistics characteristics of sea arteries: length, climate, economic risks in the northern and southern directions of sea cargo transportation, a conclusion is made about the potential of the Northern Sea Route. The possibility of redistributing part of the international cargo transportation currently carried out along the Southern Sea Route to this direction is being considered.

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STUDY OF THE INFLUENCE OF FREIGHT TRANSPORT TECHNOLOGY ON TRAFFIC SCHEDULE ON MACRO INDICATORS OF THE RAILWAY SYSTEM OF UKRAINE

Collection of scientific works of the State University of Infrastructure and Technologies series Transport Systems and Technologies ◽

10.32703/2617-9040-2020-36-19 ◽

2020 ◽

pp. 184-198

Author(s):

A. Prokhorchenko ◽

M. Kravchenko ◽

D. Gurin

Keyword(s):

Comparative Analysis ◽

Analytical Approach ◽

Freight Transportation ◽

Freight Transport ◽

Significant Element ◽

Speed Factor ◽

Railway System ◽

Freight Car ◽

Loading And Unloading ◽

Cargo Transportation

The article examines the influence of freight transportation technology on special conditions according to the schedule of route trains on the quantitative and qualitative indicators of the operational work of the railway system of Ukraine. The calculations of the components of the freight car turnover are carried out. It was found that the strategy of routing, transportation by RRMP and coordination of loading and unloading terms significantly reduced the downtime of the car under freight operations. The analysis of indicators shows that the implemented technology of cargo transportation according to the RRMP allowed in 2019 to achieve a reduction within the busy flight of the number of technical stations from five stations in 2018 to 4.7 in 2019. The comparative analysis of technical and district speed is carried out and the speed coefficient is calculated. According to the analysis of the change in the speed factor, it can be stated that the ratio of precinct to technical speed remained unchanged in 2019 compared to 2018, which may indicate the lack of impact of transportation technology on dispatching, which was essentially unchanged for two years. Simulation according to the analytical approach of change of turnover of a freight car at increase in a share of transportations of freights under contracts on special conditions is executed. Calculations prove that with the increase of the share of cars of the working fleet, organized in the transportation of goods by RRMP in the element of car turnover - simple car at technical stations, can significantly reduce the overall turnover of the car. The influence of the technology of transportation according to the schedule on the reduction of the most significant element in the turnover of the car - the downtime of the car under freight operations.

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