An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Two devices designed to non-destructively determine the residual stress state of railroad wheels were evaluated. The first device was a magnetoacoustic design developed by the National Aeronautics and Space Administration, Langley Research Center in conjunction with the Association of American...
This study compiles quantitative design information that can be used in selecting a high-speed magnetic levitation system. Analytic models were developed for three configurations of electromagnetic (EMS) and three electrodynamie (EDS) systems, and for linear induction and synchronous motors. The...
This study documents potential system improvements to benefit commuter and intercity rail passenger service in the Boston-New York corridor. The study was conducted by the Volpe National Transportation Systems Center (VNTSC) for the Department of Transportation under the direction of a Task...