Journal
TRANSPORT
Volume 30, Issue 1, Pages 88-92Publisher
VILNIUS GEDIMINAS TECH UNIV
DOI: 10.3846/16484142.2015.1020565
Keywords
dynamic indicators; bogie; suspension; wagon; model; spring
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Funding
- European Social Fund within the project 'Development and application of innovative research methods and solutions for traffic structures, vehicles and their flows' [VP1-3.1-SMM-08-K-01-020]
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In most cases, dynamic characteristics determine the wagon maintenance cycle, traffic safety, reliability and durability performance. The main dynamic indicators include the vertical K-vd and horizontal K-hd dynamic coefficients as well as the stability coefficient K-s, which determines the wheel flange resistance to derailment. The article compares dynamic indications for three different types of bogies. There were no tangible differences observed for all the three different types of bogies running at a speed of 40 to 120 km/h on a direct tangent rail section. Nevertheless, there is a realistic potential to improve the dynamic indicators of a freight wagon by rationalising suspension unit parameters.
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