Heat-Activated Alarm System for Railroad Boxcars Carrying Explosives.

Abstract

An alarm system concept designed to alert train operators of excessive heating of any of the wheels of a boxcar laden with high-explosives has been developed. The excessive heat was determined to be caused by friction between a wheel and brake shoe that does not properly release while the train is in motion. The alarm system consists of heat sensors that are located on the boxcar above each wheel. These are wired to an alarm transmitter mounted near the top of the boxcar. This concept requires that each boxcar laden with high explosives be outfitted with the sensors and a transmitter. A receiving system is then located in the train caboose to decode the alarm signals, identify the boxcar, and sound the alarm. The system hardware, tests, and evaluation are described. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1977
Accession Number
ADA051868

Entities

People

  • J. L. Brooks

Organizations

  • Naval Facilities Engineering Service Center

Tags

Communities of Interest

  • Counter IED
  • Energy and Power Technologies
  • Human Systems
  • Sensors
  • Weapons Technologies

DTIC Thesaurus Topics

  • Construction
  • Detection
  • Detectors
  • Early Warning Systems
  • Electronic Equipment
  • Engineering
  • Explosives
  • Frequency
  • High Explosives
  • Maintenance
  • Materials
  • Munitions
  • Puerto Rico
  • Radio Waves
  • Resonant Frequency
  • Test And Evaluation
  • Warning Systems

Readers

  • Logistics and Supply Chain Management.
  • Sensor Fusion and Tracking Systems.