Abstract/Details

Spontaneous ignition of linseed oil soaked cotton using the oven basket and crossing point methods


2011 2011

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Abstract (summary)

The oven basket method coupled with the Jones version of the crossing point method was used to test the following basket sizes with their respectful concentrations of linseed oil soaked cotton, 5cm (33.3%), 5cm (50%), 5cm (75%), 7.5cm (77%), 10cm (80%) with concentrations measured by weight. Some of the samples reached three different stages; ignition, smoldering or constant smoldering and flaming. The activation energies were 42.37 kJ/mol, 27.40 kJ/mol, 16.97 kJ/mol, 15.76 kJ/mol and 11.73 kJ/mol for the 5cm (33.3%), 5cm (50%), 7.5% (77%) and 10cm (80%) basket sizes. It was concluded that as the concentration and the basket size increased the activation energy decreased. The P and M values along with the reaction rate per unit volume were also calculated. The time to ignition increased as the oven temperature that each sample was tested at decreased and as oven temperatures approached ambient the time to ignition significantly increased topping 5.5 hours for the 5cm (75%) basket size.

Indexing (details)


Subject
Mechanical engineering
Classification
0548: Mechanical engineering
Identifier / keyword
Applied sciences; Cotton; Crossing point method; Linseed oil; Oven basket method; Spontaneous ignition
Title
Spontaneous ignition of linseed oil soaked cotton using the oven basket and crossing point methods
Author
Worden, Justin T.
Number of pages
136
Publication year
2011
Degree date
2011
School code
0117
Source
MAI 50/01M, Masters Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
9781124747521
Advisor
Quintiere, James G.
Committee member
Stoliarov, Stanislav I.; Sunderland, Peter B.
University/institution
University of Maryland, College Park
Department
Fire Protection Engineering
University location
United States -- Maryland
Degree
M.S.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
1496389
ProQuest document ID
881294279
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/881294279
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