Interrelation between Wavelengths of Track Geometry Irregularities and Rail Vehicle Dynamic Properties
Journal Title: Archives of Transport - Year 2013, Vol 25, Issue 1
Abstract
The paper deals with the problem of railway track irregularities appearance in form of so-called short waves (3-25m). These geometrical irregularities were found in measurements, which were carried out on different railway tracks of Polish Railway Lines. Those tracks can be classified as tracks with good state of maintenance. The article describes the results of the analysis of geometrical irregularities of these railway tracks in frequency domain and demonstrates their statistical characteristics. The studies, in contrast to usually used approach to the analysis of the geometry of the track, are focused on the left and right rail alignment and their longitudinal level. Based on studies of different mathematical models of railway vehicles it was found the relationship between their eigenvalues and wavelengths of track geometrical irregularities. Analysis of the measurements results of car-body acceleration and bogie frame acceleration confirms the thesis that the deterioration of railway track is dependent on the dynamic influences of vehicles on the tracks.
Authors and Affiliations
Bogdan Sowiński
Bicriteria Models of Vehicles Recycling Network Facility Location
The paper presents the issues related to modeling of a vehicle recycling network. The functioning of the recycling network is within the realm of interest of a variety of government agendas, companies participating in th...
The assigment of vehicle assesment based on multi criteria decision making
The degree of emission limitation achieved through improved efficiency of combustion engine vehicles can no longer set off additional emissions caused by increasing traffic activity. As the restriction of greenhouse gas...
Implementation of Gravity Model to Estimation of Transportation Market Shares
The theoretical consideration presented in the paper is inspired by market gravity models, as an interesting attitude towards operations research on a market. The transportation market issues are emphasized. The mathemat...
Hydrotechnical Conditions and Inland Transportation’s Costs
The article contains a description of the method supporting the organization of broken cargo transportation. The program, which uses the presented method allows the planning of transport including rail and inland waterwa...
Proposed benchmarks for PRT networks simulation
Personal Rapid Transit (PRT) is a promising form of urban transport. Its operation relies on the use of small unmanned vehicles which carry the passengers between the stations within a dedicated network. Various aspects...