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Author

G E Novak

Bio: G E Novak is an academic researcher. The author has contributed to research in topics: Electronic differential. The author has an hindex of 1, co-authored 1 publications receiving 1 citations.

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01 Nov 1975
TL;DR: In this paper, the authors presented the stress fields for a 36-in. (914mm) freight car wheel subjected to various cyclic mechanical and braking load combinations, and the resultant stresses were determined at several angular positions relative to the wheel-rail contact plane to establish the magnitude of the maximum octahedral shear stresses.
Abstract: In previous publications the authors described analytical methods of determining the transient temperature distribution in railroad wheels due to tread braking. The stress fields caused by the combination of braking and non-symmetrical mechanical wheel-rail forces were determined throughout the body of the wheel. In this paper the authors utilize the methods developed in earlier work and present the stress fields for a 36-in. (914-mm) freight car wheel subjected to various cyclic mechanical and braking load combinations. The resultant stresses were determined at several angular positions relative to the wheel-rail contact plane to establish the magnitude of the maximum octahedral shear stresses. The distortion of the wheel is depicted in a film accompanying the presentation of this paper. This movie shows the distortion induced by a precribed service environment through 360 deg of wheel revolution.

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