Improving Thermal Protection of Cryogenic Tank Cars Through Testing, Analysis, and Evaluation of Pressure Relief Valve System Performance

Details

• Creators:
  Mattos, Garrett ; Friedman, Keith
• Corporate Creators:
  Friedman Research Corporation (FRC)
• Corporate Contributors:
  United States. Department of Transportation. Federal Railroad Administration. Office of Railroad Policy and Development ; United States. Department of Transportation. Federal Railroad Administration. Office of Research, Development and Technology
• Subject/TRT Terms:
  • Thermal stresses
  • Phase transitions
  • Fire
  • Simulation
  • Liquefied natural gas
  • Pressure relief valves
  • Derailments
  • Tank cars
  • Cryogenic fluid
• Publication/ Report Number:
  DOT/FRA/ORD-24-01
• Resource Type:
  Tech Report
• Geographical Coverage:
  United States
• Edition:
  Final Report
• Contracting Officer:
  Gonzalez, III, Francisco
• Corporate Publisher:
  United States. Department of Transportation. Federal Railroad Administration
• Abstract:
  The Federal Railroad Administration (FRA) sponsored a research team to conduct high fidelity finite element (FE) modeling to evaluate the effects of post-derailment motion on PRV system damage and the performance of structural countermeasures. The team conducted physical tests to measure the response of a typical PRV under cryogenic liquid flow as well as the thermal properties of an ignited PRV exhaust plume. Researchers then conducted additional FE modeling to apply the experimentally determined PRV exhaust (i.e., jet) fires to an ISO UN-T75 tank and quantify the tank’s response in multiple fire-exposed scenarios.
• Format:
  PDF
• Funding:
  693JJ633C000012
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/73150/dot_73150_DS1.pdf
• File Type:
  [PDF - 4.48 MB]
• Collection(s):
  Federal Railroad Administration
• Main Document Checksum:
  urn:sha256:8d43cf7cc35fa57dc0f28dbbfbd8b2c3bac666a20359c289fa0f94ce96d8dc68