USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

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.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Everyone

Subscribe to RSS

Tank Car Thermal Analysis, Volume I, User's Manual for Analysis Program

The computer program AFFTAC is described. The program can be used to analyze the behavior of railroad tank cars when subjected to fire. It is designed to perform the analyses which are required to determine if a tank car meets the requirements of the Code of Federal Regulations, Title 49, Part 179...

Improved Source Location Using Sensor Arrays

The purpose of this research was to develop a sensor array capable of identifying the location of acoustic sources. The sensor array was constructed from a polymer known as PVDF. The array was created using an etching technique similar to that used for printed circuit boards. An amplifier was...

Railroad Tank Car Nondestructive Methods Evaluation

An evaluation of nondestructive testing (NDT) methods, authorized for use in replacing the current hydrostatic pressure test for qualification or re-qualification of railroad tank cars, has been performed by the Transportation Technology Center, Inc. (TTCI), a subsidiary of the Association of...