Predicting Fully-Developed Passenger Rail Car Fire Heat Release Rate

Yang, Fengchang; Hodges, Jonathan; Rippe, Christian; Kraft, Stefan; Lattimer, Brian Y.; Jensen Hughes

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Predicting Fully-Developed Passenger Rail Car Fire Heat Release Rate

2020-08-01
By Yang, Fengchang ; Hodges, Jonathan ; Rippe, Christian ; ...

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English

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Creators:

Yang, Fengchang ; Hodges, Jonathan ; Rippe, Christian ; Kraft, Stefan ; Lattimer, Brian Y.

Yang, Fengchang ; Hodges, Jonathan ; Rippe, Christian ; Kraft, Stefan ; Lattimer, Brian Y. Less -
Corporate Creators:

Jensen Hughes
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

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 Less -
Subject/TRT Terms:

[+]

FDS Fire Fire Dynamics Simulator Fully-developed Fire Heat Heat Loss Heat Release Rate Heat Release Rate Per Unit Area HRR HRRPUA Passenger Cars Passenger Rail Rail Car Rail Motorcars Rolling Stock Scaling Factor Scaling Law Window Failing Window Glass
Publication/ Report Number:

DOT/FRA/ORD-20/32
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Technical Report, September 2018–September 2019
Contracting Officer:

Shurland, Melissa
Corporate Publisher:

United States. Department of Transportation. Federal Railroad Administration. Office of Research, Development, and Technology
Abstract:

This report provides the results of the initial development of scaling laws for use in developing cost effective experimental measurements of a passenger rail car heat release rate (HRR) history as well as modeling approaches for predicting passenger rail car HRR. Scaling laws were successfully developed to predict the fire dynamics and material burning behavior in pre-flashover and fully-developed fires. In addition, a finite element (FE) model for window failure was developed to support the design of small scale windows. Fire Dynamics Simulator (FDS) was used to provide detailed predictions of the fire HRR history using a pyrolysis model for material burning. In addition, a simplified model was created for use by designers and operators. Future work is recommended to generate data to further validate the scaling laws and models.
Format:

PDF
Funding:

693JJ618C000022
Collection(s):

Federal Railroad Administration Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:4f1a0166d6f9c902f4e24218832a3866c0858fb8e026c17ff7280865977ceb0b
Download URL:

https://rosap.ntl.bts.gov/view/dot/50654/dot_50654_DS1.pdf
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Predicting Fully-Developed Passenger Rail Car Fire Heat Release Rate

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