Dynamic running test results of diesel train 630M of production A.S. PESA (Poland)
DOI:
https://doi.org/10.15802/stp2013/16572Keywords:
dynamic tests, the diesel train 630M, two-section, dynamic factor, frame strength, performance of movement smoothnessAbstract
Purpose. Experimental definition of values of the dynamic parameters characterizing traffic safety of the rail autobus in tangent and curved track sections and switches, and conformity check to their demands of normative documents. Methodology. Test methods are based on comparison of experimentally determined dynamic qualities of the autobus with their admitted values. As the parameters defining traffic safety, the numerical value of which is resulted further, are used the following ones: the derailment stability coefficient; vertical dynamics coefficients in the first and second steps of spring suspension; the frame forces; smoothness of movement. Determination of the derailment stability coefficient is performed by a known technique. Vertical dynamics coefficients in the each step of spring suspension are defined as the relation of dynamic vertical bending flexures to magnitudes of their static values corresponding to the set occupancy of the autobus. Findings. Coefficient values of the vertical dynamics of train carriages in the first and second steps of spring suspension, as well as the value of frame forces and parameters of movement smoothness did not exceed the admissible standard values, and was higher than the minimum admissible value. Originality. Values of the parameters characterizing dynamic qualities of new type of the rail autobus are obtained, and possibility of its operation on the main ways of the railways of Ukraine is shown. Practical value. Admissible speeds of the rail autobus traffic on various railway track sections are defined.
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Copyright (c) 2021 E. P. Blohin, R. B. Granovskiy, E. M. Dzichkovskiy, A. E. Krivchikov, N. I. Granovskaya, A. Tsiyupa
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