Other Reports

Supplemental Information Concerning the Methodology Used by IIT Research Institute to Predict the Effects of Pool Fires on Hazardous Material Tank Cars

  • 20
  • Jan
  • 1983
AUTHOR: Donald Levine, David Dancer
OFFICE: RPD
SUBJECT: Hazardous Materials
KEYWORDS: Computer Program, Railroad Technology, Tank Cars
ABSTRACT: [From the Introduction] IIT Research Institute (IITRI) developed a computer program to calculate pressures, liquid levels, and tank wall temperatures in pressure tank cars subjected to fires. The inputs for the program are thermodynamic properties of the lading, the pressure setting of the tank car, the safety relief valve capacity, the thermal system conductance, and the fire conditions. IITRI reported some of their initial computer calculations in a paper entitled, "Thermal Protection/Safety Valve Relationships for Tank Cars in Pool Fires," M. R. Johnson, June 4, 1981. IITRI has also used their computer program for subsequent calculation. The purpose of this report is to provide supplemental information on the IITRI methodology. This report is based on conversations among the authors and Dr. M. R. Johnson, the principal investigator at IITRI. Dr. Johnson is preparing an addendum to his original paper which will contain the information contained in this report.

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