Dispersion of CNG Following a High-Pressure Release

Gaumer, Robert L.; Raj, Phani K.; John A. Volpe National Transportation Systems Center, (U.S.)

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Dispersion of CNG Following a High-Pressure Release

1996-05-01
By Gaumer, Robert L. ; Raj, Phani K.

[PDF-1.98 MB]

English

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Details:

Creators:

Gaumer, Robert L. ; Raj, Phani K.

Gaumer, Robert L. ; Raj, Phani K. Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center, (U.S.)
Corporate Contributors:

United States. Federal Transit Administration
Subject/TRT Terms:

[+]

Alternate Fuels Bus Garages Bus Transportation Compressed Natural Gas Fire Prevention Safety
Publication/ Report Number:

DOT-VNTSC-FTA-95-14 ; FTA-MA-26-7021-96-2

DOT-VNTSC-FTA-95-14 ; FTA-MA-26-7021-96-2 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Technical report; Feb 1995-Mar 1996
Corporate Publisher:

United States. Federal Transit Administration
NTL Classification:

AGR-IMPACTS-Environment;NTL-PUBLIC TRANSPORTATION-PUBLIC TRANSPORTATION;NTL-PUBLIC TRANSPORTATION-Transit Safety and Security;NTL-PUBLIC TRANSPORTATION-Bus Transportation;NTL-SAFETY AND SECURITY-Transit Safety and Security;NTL-SAFETY AND SECURITY-SAFETY AND SECURITY;
Abstract:

This report discusses the results of tests to determine the dispersive behavior of compressed natural gas (CNG) when released in enclosed areas such as transit bus facility, and presents the Volpe National Transportation Systems Center's (VNTSC) conclusions concerning the results. The FTA sponsored the tests as part of an effort to evaluate the adequacy of the current convention concerning safeguards against CNG-related fires in transit buildings where CNG-powered buses are fueled, stored, or maintained. This convention embraces the belief that precautions need to be taken only at or near the ceilings of the buildings. It is based on the premise that, since CNG is primarily methane and methane is approximately one-half the density of air at ambient temperature and pressure, any natural gas released would immediately rise to the ceiling as a buoyant plume.
Format:

PDF
Funding:

TT-664/U6130
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:312adb26d441d3462769fdd9a39a1ecbd91fe501ee583004864e0cd6af1965eb
Download URL:

https://rosap.ntl.bts.gov/view/dot/10238/dot_10238_DS1.pdf
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Dispersion of CNG Following a High-Pressure Release

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