The effect of vacuum pressure on the flammability limits of natural gas (NG)

The purpose of this study is to determine the effect of vacuum pressure on the flammability limits Natural Gas in a closed vessel explosionsat various initial pressures within 0.98 and 0.96 bar and at ambient initial temperature. Times and pressure of the explosions were recorded. Experimental inves...

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Main Author: Lyna Liyana, Johar
Format: Undergraduates Project Papers
Language:English
Published: 2010
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/2471/1/CD5572_LYNA_LIYANA_JOHAR.pdf
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author Lyna Liyana, Johar
author_facet Lyna Liyana, Johar
author_sort Lyna Liyana, Johar
collection UMP
description The purpose of this study is to determine the effect of vacuum pressure on the flammability limits Natural Gas in a closed vessel explosionsat various initial pressures within 0.98 and 0.96 bar and at ambient initial temperature. Times and pressure of the explosions were recorded. Experimental investigations are conducted by systematically measuring the pressure histories in a constant volume 20-L- apparatus. In this experimental study, we analyzed and do the comparison with 3 various pressure, which is 1 bar, 0.98 bar and 0.96 bar. Experimental result shown that at 10 volume percent of concentration natural gas ,pressure maximum for 0.98 bar natural gas – air mixture is 5.1 bar and for 0.96 bar natural gas- air mixture is 4.7 bar. While compare with 1 bar natural gas – air mixture, pressure maximum is 5.8 bar. Flammability limits for 0.98 and 0.96 bar is still 5 to 15 percent of concentration. As a conclusion, by reducing the pressure of Natural Gas- air mixture will not effected the flammability limits range but it will be decreased the pressure maximum ( Pmax) of explosion.
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spelling UMPir24712021-07-05T03:29:06Z http://umpir.ump.edu.my/id/eprint/2471/ The effect of vacuum pressure on the flammability limits of natural gas (NG) Lyna Liyana, Johar TP Chemical technology The purpose of this study is to determine the effect of vacuum pressure on the flammability limits Natural Gas in a closed vessel explosionsat various initial pressures within 0.98 and 0.96 bar and at ambient initial temperature. Times and pressure of the explosions were recorded. Experimental investigations are conducted by systematically measuring the pressure histories in a constant volume 20-L- apparatus. In this experimental study, we analyzed and do the comparison with 3 various pressure, which is 1 bar, 0.98 bar and 0.96 bar. Experimental result shown that at 10 volume percent of concentration natural gas ,pressure maximum for 0.98 bar natural gas – air mixture is 5.1 bar and for 0.96 bar natural gas- air mixture is 4.7 bar. While compare with 1 bar natural gas – air mixture, pressure maximum is 5.8 bar. Flammability limits for 0.98 and 0.96 bar is still 5 to 15 percent of concentration. As a conclusion, by reducing the pressure of Natural Gas- air mixture will not effected the flammability limits range but it will be decreased the pressure maximum ( Pmax) of explosion. 2010-11 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/2471/1/CD5572_LYNA_LIYANA_JOHAR.pdf Lyna Liyana, Johar (2010) The effect of vacuum pressure on the flammability limits of natural gas (NG). Faculty of Chemical & Natural Resources Engineering , Universiti Malaysia Pahang .
spellingShingle TP Chemical technology
Lyna Liyana, Johar
The effect of vacuum pressure on the flammability limits of natural gas (NG)
title The effect of vacuum pressure on the flammability limits of natural gas (NG)
title_full The effect of vacuum pressure on the flammability limits of natural gas (NG)
title_fullStr The effect of vacuum pressure on the flammability limits of natural gas (NG)
title_full_unstemmed The effect of vacuum pressure on the flammability limits of natural gas (NG)
title_short The effect of vacuum pressure on the flammability limits of natural gas (NG)
title_sort effect of vacuum pressure on the flammability limits of natural gas ng
topic TP Chemical technology
url http://umpir.ump.edu.my/id/eprint/2471/1/CD5572_LYNA_LIYANA_JOHAR.pdf
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