Development of an improved design of a high-capacity passenger railcar for the railways of Uzbekistan

In the context of the rapid growth of passenger traffic by rail, one of the priorities is to increase the efficiency of rolling stock use. The key direction in solving this problem is to increase the passenger capacity of railway coaches while ensuring a high level of their structural strength, reliability and safety. This study presents an improved design of the body of a passenger coach with increased capacity, developed taking into account modern requirements for comfort, environmental friendliness and operational efficiency. To assess the design characteristics, a comprehensive analysis was carried out, including theoretical calculations of the stress-strain state of the body elements using the finite element method. Numerical modeling made it possible to identify critical areas of the structure and optimize its parameters to increase strength and reduce material consumption. The simulation results were supplemented and confirmed by experimental tests of the prototype, conducted in conditions as close as possible to real operation. The data obtained indicate that the design meets the requirements of current regulatory documents, including safety and durability standards. The proposed design demonstrates improved operational characteristics, which makes it promising for use in the design and modernization of new-generation passenger coaches. The research results can serve as a basis for further developments in the field of innovative railway transport, providing an increased level of comfort and efficiency.

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