The article considers one of the most important wagon units - wheelsets. An analysis was made growing number uncoupled wagons Russian railways for unplanned repairs and it revealed that common reasons this are faulty condition wheelsets axle boxes. It determined factors influencing nature malfunctions inappropriate quality repair bogies, admission to operation secondary wheels with a rib thickn...

Wireless communications and modern machine learning techniques have jointly been applied in the recent development of vehicle health monitoring (VHM) systems. The performance of rail vehicles running on railway tracks is governed by the dynamic behaviors of railway bogies especially in the cases of lateral instability and track irregularities. In this study we have proposed a system to monitor ...

Constant rise in fuel price in recent times has caused manufacturers of heavy commercial vehicles (HCV) to turn to efficient aerodynamic design of trucks, wagons, tractors as well as trailers. The comparative analysis in this study compares the coefficient of drag of the following four aerodynamic configurations of a tractor-trailer combination: 1. Semi-trailer with no devices. 2. Semi-trailer ...

This article analyzes the main factors that cause local wagons to stay on rail when it comes freight and develops technological processes for processing trains technical stations. A formula determining total number of shipments from station is also proposed. The interrelation operations carried out during interval between train departure stations established stations, method finding overestimat...

Introduction. Since the beginning of full-scale war against Ukraine due to blocking sea ports, massive destruction transport infrastructure, railway has become key mode transport, which carries out most export-import supplies. The importance finding potential ways develop country's determines relevance study. purpose paper is identify existing problems international transportation by rail in an...