Materials Investigation of Thermal Triggers Used in Pressure Relief Devices on Transit Buses

Rolander, Nathan; Matson, Douglas; Chernicoff, William P.

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Materials Investigation of Thermal Triggers Used in Pressure Relief Devices on Transit Buses

2003-07-01
By Rolander, Nathan ; Matson, Douglas ; Chernicoff, William P.

[PDF-1.57 MB]

English

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Creators:

Rolander, Nathan ; Matson, Douglas ; Chernicoff, William P.

Rolander, Nathan ; Matson, Douglas ; Chernicoff, William P. Less -
Corporate Contributors:

John A. Volpe National Transportation Systems Center (U.S.) ; Tufts University. College of Engineering ; United States. Department of Transportation. Federal Transit Administration

John A. Volpe National Transportation Systems Center (U.S.) ; Tufts University. College of Engineering ; United States. Department of Transportation. Federal Transit Administration Less -
Subject/TRT Terms:

[+]

Alternative Fuel Bus Safety Fuel Storage And Delivery Devices Natural Gas Buses Natural Gas Safety Pressure Relief Valves Reliability Safety Equipment
Publication/ Report Number:

DOT-FTA-MA- 26-7071-03-1 ; DOT-VNTSC-FTA-03-06

DOT-FTA-MA- 26-7071-03-1 ; DOT-VNTSC-FTA-03-06 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
TRIS Online Accession Number:

00962120
OCLC Number:

55666930
Edition:

Final Report July 2003
Corporate Publisher:

United States. Federal Transit Administration
Abstract:

This investigation pertains to the composition and general condition of the thermally activated trigger mechanism of Pressure Relief Devices [PRD's], safety devices used on compressed natural gas cylinders commonly used to store fuel on transit buses. These trigger mechanisms provide the essential function of the PRD, and any problems with the trigger will result in poor device performance. The report analyses the condition of the eutectic material used in the triggers, its composition, condition, and any flaws that may occur. Following the experimental investigation, failure criterion for the triggers were computed based on observed flaws in the trigger material. These computations provide a measure of the reliability of the triggering devices, and thereby of their effectiveness.
Format:

PDF
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:544790cbb60c3389535d8f8964458712f3c0dcb6fef1204245f65f164ced3c8b
Download URL:

https://rosap.ntl.bts.gov/view/dot/8527/dot_8527_DS1.pdf
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Materials Investigation of Thermal Triggers Used in Pressure Relief Devices on Transit Buses

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