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52550
  
  

  22
Mar
2024
Technical Reports
Detailed Puncture Analyses of Tank Cars: Analysis of Different Impactor Threats and Impact Conditions
Author
          Steven W. Kirkpatrick

Subject
                    Hazardous Materials

**Keywords:** Tank car, Impactor, derailment, hazardous materials, hazmat
**Abstract:** There has been significant research in recent years to analyze and improve the impact behavior and puncture resistance of railroad tank cars. Much of this research has been...
Report Number
              DOT/FRA/ORD-13/17 Revision 1

  Office
              RRD
    29
Feb
2024
Technical Reports
Fire Performance of a Cryogenic ISO UN-T75 Storage Tank Using Analytical Methods and Fire Testing – Phase 2: Testing with LNG in an ISO Tank
Author
          Federal Railroad Administration

Subject
                    Hazardous Materials

**Keywords:** Liquefied Natural Gas (LNG), Liquid Nitrogen (LN2), ISO UN-T75 Tank, Flatcar, Pressure Relief Valve/Device (PRV/PRD), Directional Flame Thermometer (DFT), Incident Heat Flux, Surface Temperature
**Abstract:** FRA sponsored a study by Southwest Research Institute to...
Report Number
              DOT/FRA/ORD-24/11

  Office
              RDI-22
    29
Feb
2024
Technical Reports
Modeling and Analysis of Phase Change in a DOT-113 Tank Car Surrogate Filled with Liquid Nitrogen
Author
          Federal Railroad Administration

Subject
                    Hazardous Materials

**Keywords:** Impact test, DOT-113 tank car, tank car performance, transportation safety, liquefied natural gas, LNG, liquid nitrogen, LN2, finite element analysis, FEA, hazardous materials, rolling stock, cryogenic, phase change, thermodynamics
**Abstract:** As part of a series of impact tests, the Federal Railroad...
Report Number
              DOT/FRA/ORD-24/12

  Office
              RDI-22
    12
Feb
2024
Research Results
Expansion of Rail Flaw Library at the Transportation Technology Center
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:** Rail, rail wear, rail defect, rail flaw library, ultrasonic testing, UT, phased array ultrasonic testing, PAUT, Miniprof, Rail Flaw Library of Associated Defects, RF-LOAD, non-destructive evaluation, NDE, track

Report Number
              RR 22-36

  Office
              RDI-21
    9
Feb
2024
Technical Reports
Mechanistic Investigation of Timber Crosstie Spike Fastener Failures – Phase I: The Magnitude of the Spike Failure Challenge
Author
          Federal Railroad Administration

Subject
                    Track

**Keywords:**  track research, cut spikes, drive spikes, screw spikes, elastic fastening systems, failure analysis, broken spikes
**Abstract:** The Rail Transportation and Engineering Center (RailTEC) at the University of Illinois at Urbana-Champaign (UIUC) performed a literature review, conducted an industry-wide...
Report Number
              DOT/FRA/ORD-24-06

  Office
              RDI-21

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