دانلود کتاب Metro Coaches Designing for Excellence

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Each Metro Project is different & unique in itself and therefore, needs careful attention of the designer to produce an Optimally Designed Coach. The usual approach of coach supplier to offer a standard coach from his stable does not work, as it may lead to inefficient coach being accepted which may, in turn, lead to excessive forces causing extra wear & tear of wheels & rails, extra energy consumption, improper curving etc. The common thinking on the part of coach supplier that “ONE SIZE FITS ALL” does not hold good in case of Metro Projects. The Engineer needs to have an idea about number & sharpness of curves, gradients, length of transition curves, track twist & track tolerances etc. of the new project before taking up the Design / design verification work. The author has, therefore, added 3 separate chapters on track to enable the Engineer to understand the importance of track parameters on the performance of the coach. Author delivered 32 lectures on Mechanical Design of Metro Coaches to the newly recruited graduate engineers as well as serving senior engineers of DMRC Rolling Stock wing between Jan. 2019 to Feb. 2020. Further delivery of lectures in person was interrupted due to COVID19. The author, therefore, prepared remaining lectures from home & sent them to DMRC. All these lectures, which cover a complete spectrum of Mechanical Design of Metro Coaches are now being published in the form of a book for the benefit of existing & future engineers entrusted with the task of Designing & Design Verification of Metro Coaches in India & Abroad. These lectures can impart a complete & comprehensive technical knowledge about Mechanical Aspects of Metro Coach Design for any future Metro Project. All relevant formulae applicable to various elements of coach suspension system on the overall performance of the coach have been included in each chapter. It would enable the Engineer to understand the effect of any parameter change on the performance of the coach. In case, the reader is interested in understanding various suspension systems, he may refer to author’s book “Suspension Systems for Passenger Coaches”, available on “GOOGLE”. The author can be reached at +91 9818646656 for any clarification on the subject.