Evaluation of semi-empirical analyses for railroad tank car puncture velocity, part 1 : correlations with experimental data

Jeong, D.Y.; Tang, Y.H.; Perlman, A.B.

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Evaluation of semi-empirical analyses for railroad tank car puncture velocity, part 1 : correlations with experimental data

2001-11-01
By Jeong, D.Y. ; Tang, Y.H. ; Perlman, A.B.

[PDF-236.44 KB]

English

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Creators:

Jeong, D.Y. ; Tang, Y.H. ; Perlman, A.B.

Jeong, D.Y. ; Tang, Y.H. ; Perlman, A.B. Less -
Corporate Contributors:

John A. Volpe National Transportation Systems Center (U.S.)
Subject/TRT Terms:

[+]

Coupler Impact Couplers Impact Pressurization Puncture Resistance Puncture Velocity Railroad Cars Railroad Trains Shield Protection Tank Cars Velocity
Publication/ Report Number:

DOT-VNTSC-FRA-99-9 ; DOT/FRA/ORD-99/XX

DOT-VNTSC-FRA-99-9 ; DOT/FRA/ORD-99/XX Less -
Resource Type:

Research Paper
Geographical Coverage:

United States
Edition:

Final Report ¿ December 1997
Corporate Publisher:

United States. Department of Transportation. Federal Railroad Administration
Abstract:

This report is the first in a two-part series that focuses on methodologies to determine the puncture velocity of tank car shells. In this context, puncture velocity refers to the impact velocity at which a coupler will puncture the tank. In this report, the methodology to calculate puncture velocity is based on a set of semi-empirical equations. Moreover, these semi-empirical equations are evaluated by comparing calculated puncture velocities with results from full-scale, one-fifth scale, and actual tank car impact tests. The semi-empirical equations generally appear to produce reasonable and conservative estimates of puncture velocity when compared with the available experimental data. However, differences between the calculated and observed results become more widespread when the tank is pressurized or when shield protection is present. The second report in this series explores and describes alternative methodologies to determine puncture velocity of tank cars based on engineering analyses.
Format:

PDF
Funding:

R-9002/RR-928
Collection(s):

Federal Railroad Administration Volpe Center
Main Document Checksum:

[+]

urn:sha256:87d46b6b53afa165ab16c7e95968de4873e6fe41e2f9272a244264276590e4be
Download URL:

https://rosap.ntl.bts.gov/view/dot/4892/dot_4892_DS1.pdf
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Evaluation of semi-empirical analyses for railroad tank car puncture velocity, part 1 : correlations with experimental data

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